Saleen S7 Twin Turbo One of The Fastest American Cars

Saleen S7 Twin Turbo specs
Top Speed: 248 mph / 399.1 km/h
0-60 mph: 2.8 seconds
0-100 mph: 6 seconds
0 - 1/4 Mile: 10.7 secs. @ 136 mph
Engine: V8, 7-liter 750 HP Twin-Turbo

Saleen's S7 is America's first and up to date the only exotic supercar with mid-engine configuration. When in 2002 S7 went on sale, it was the only street-legal car in the United States that has more than 500 horse power