These days the V8 Supercar is a purpose built race car.

 

 Body: Holden VY Commodore
 Engine: 5.0L Chevrolet V8
 Power: 480kW (620bhp) at 7500rpm
 Torque: 623Nm at 5500rpm
 Top speed: 300kmh
 Weight: 1350kg (class weight limit)