| TVR Speed Twelve |
Prototype
Engine
Type: 48 valve, V12 
Displacement: 7730 cc 
Max horsepower: 800 BHP at 7250 rpm 
Max torque: 885 Nm at 5750 rpm 
Bore / stroke: 96.0 / 89.0 mm 
Compression ratio: 12.5:1 
Fuel system: Electronic fuel injection 
Dimensions
Overall length: 430 cm 
Width: 196 cm 
Height: 110 cm 
Wheelbase: 257 cm 
Weights
Curb weight: 1000 kg 
Gross vehicle weight: 1200 kg 
Chassis
Brakes, front: Ventilated discs 
Brakes, rear: Ventilated discs 
Transmission: 5-speed manual 
Tyres: 285/35ZR 18 / 345/35ZR 18 
Wheelwidth: 11" / 13" 
Others
Engine placement: Front, longitudinally mounted 
Drive wheels: Rear wheel drive 
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