Audi Sport Car 2008 R8 Specifications

2008 Audi R8 Performance & Efficiency Standard Features
- 4,200 cc 4.2 liters V 8 front engine with 12.5 compression ratio and four valves per cylinder
- Premium unleaded fuel 91
- Gasoline direct injection fuel system
- Main premium unleaded fuel tank
- Power: 313 kW , 420 HP SAE @ 8,250 rpm; 317 ft lb , 430 Nm @ 4,500 rpm

Source: http://www.motortrend.com/cars/2008/audi/r8/specifications/