Mike Cross, Chief Engineer of Vehicle Integrity, Jaguar, takes the 2011 XKR-S on Portugal's Autódromo Internacional do Algarve. Specifications: Engine: AJ-V8 Gen III R V8 Aspiration: w/Twin Intercoolers Displacement: 5000 cc / 305.12 in³ HP: 543.1 bhp @ 6000 rpm HP/Liter: 108.62 bhp per litre HP/weight: 309.81 bhp per tonne Torque: 680 nm / 501.5 ft lbs @ 2500 rpm Weight: 1753 kg (3865 lbs) 0-100 kph (0-62 mph): 4.4 seconds Model Year: 2011