No car has ever run at a speed of 1500 kph (932 mph). The fastest production car is the Bugatti Veyron which has a top speed of 431 kph (267 mph). The fastest car ever built was the Thrust SSC with a top speed achieved of 1232 kph (766 mph) in 1997. It was powered by 2 jet engines.
Rusty Wallace tested a car at Talladega in 2004 on which the car had its restrictor plate removed. The car reached a top-end speed of 228 miles per hour on the backstretch and had an average lap speed of 221 mph.
.The most fastest car would have to be a SSC ULTIMATE AERO: 257mph, 0-60 in 2.7 secs. Twin-Turbo V8 Engine with 1183 hp As of today, the world's fastest car ever is the Thrust SSC which holds the world land speed record with 763 mph.