Next-Generation Lexus IS Sedan to get Twin-Turbo V6 F SPORT?

Posted by Kevin on July 4th, 2018

The Australian website Driving Enthusiast is claiming the next-generation Lexus IS sedan will be available with the 3.5L twin-turbo V6 engine from the LS flagship:

The rumoured 2020 Lexus IS 400 isn’t set to be a full-cream performance model by F division, but more of a sub-performance version by its F Sport sector. It’s believed it will feature a range of performance-inspired features, such as large wheels hiding big brakes, sports suspension, and the usual F Sport treatment for the interior.

As for that engine. Lexus introduced its first turbocharged petrol engine, codenamed ‘V35A-FTS’, with the LS 500. The 3.5-litre twin-turbo unit essentially comes in to replace the naturally aspirated 3.5-litre V6.

Let’s just be upfront — this news is coming from an unsubstantiated source, there’s nothing to back up these facts. However, the V35A-FTS twin-turbo V6 makes perfect sense in the next-generation IS sedan.

That said, 416 horsepower seems excessive in the standard model, and Lexus has yet offer serious performance upgrades with their F SPORT models. If the rumor is correct and the TTV6 is not meant for the next-generation IS F, then what powers that car?

(We could stack rumors on top of each other, and suggest a detuned version of the much-hyped twin-turbo 600-horsepower V8 for the IS F. Also, the image above was a rendering of the next-gen GS F and unrelated to the IS at all.)

Lexus IS: Third Generation
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Comments
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
S
ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
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ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.
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ssun30
This is why the LWB 3-series gets much more rear space than SWB 5-series despite being much shorter; in fact the sub-4.8m 3-Series L has more legroom than full-size SUVs like the GLS or Range Rover. It's ridiculously space efficient.
However, for the IS a lot of wheelbase stretch will be used to allow a FMR layout (if they keep doing it for the IS). I'm expecting at most 50mm/2in longer interior cabin to make the rear usable but definitley not spacious. But usable is all they need.
To me a 4GS with 50mm shorter overhangs and front axle moving forward by 20mm is a perfect size for 4IS. The side profile of the 4GS looks very compact for its actual size. I don't think maneuvrability is a concern for sedan shoppers since they are already sacrificing maneuvrability by choosing a sedan in the first place. The only place where a 4800mm IS could have major difficulty moving is Japan, but the compact-size 3IS is a whale on Japanese roads already.
They are not going to make IS 4.8m... doesnt make much sense. They will make it similar size with larger wheelbase, like many of TNGA vehicles.

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