For me, top speed isn't that impressive if it takes ages to get there, as in a race a slower car would still have left you in their dust. That's what tuned cars is all about, not so much higher top speed, though that's a factor too, but wildly increased acceleration, like in this video. 2x 300mph cars. The legendary Bugatti Chiron 300 and the M2K Motorsports Ford GT. Both standard body road legal cars, but the Chiron takes ~42sec to do 200mph to 300mph. The Ford GT takes just 10sec to do the sam