Having been a diehard auto enthusiast my whole life, with experience in and out of the industry and lots of seat time buying cars, I preach to people I counsel on best practices that cars are like people: no two are alike.
If you buy a new car without test driving it, you're a fool. There may be subtle differences but I've only once purchased a car sight unseen. And I had to order it.
I can see a configurator helping to choose options, but not replacing an actual test drive and showroom visit.
At one time, the test-drive was most useful for discovering actual defects in the cars like steering-wheel shimmies, out-of-balance wheels/tires, wandering/drifting from bad alignment, brake-pedal pulsing from runout/warpage or bad rotors, wind-noise issues, transmission-shift issues, etc..... Today's cars, however, are (mostly) assembled so well at the factory that those defects, while not entirely gone, are much less frequent than they used to be. Today, of course, while it is still a good idea to check for defects, the test drive is actually a more important indicator of how the car rides, handles, steers, accelerates, and brakes...and how comfortable the seats and suspension are over bumps.
One thing, though, that (usually) needs to be checked before you actually drive the car (besides the usual checks of mirror/seat position, seat belts, etc....) is the tire pressures. Most new vehicles today recommend between 30 and 38 PSI cold pressure (after the tires have sat out of the sun for at least three hours). When new vehicles arrive at the dealership, they typically have 40-50 PSI in them because that is the way they ride on the trains and trucks to protect the alloy wheels. The tires are supposed to be bled down to recommended pressures by the dealership PDI guys, but often they're not (what do you expect when you pay only minimum-wage LOL). If they are at 40-50 PSI for the test-drive, not only is that sometimes more what the tires are designed to handle (max-allowable PSI is rubber-engrained on the tire's sidewall, but it can also adversely affect both the ride and handling......both will be much stiffer than normal, and more than what the vehicle was designed for.