Sleek and Sexy Saleen S7 twin turbo ... - First true American super car Top speed of 200 mph, 0 to 60 under 3 seconds. The S7 is designed to compete with the fastest, quickest, best handling, luxurious grand touring cars in the world. Saleen S7 TT (twin turbo) engine type: V8 displacement:7.0 liters, Horsepower: 750 bhp @ 6300 rpm, Torque : 700 lb-ft @ 4800 rpm