Audi R8 V12 TDi Concept
diesel engine
6.0-liter, twin-turbocharged V12 powerhouse delivers 500 HP and a whopping 1,000 Nm or 738 lbs/ft of torque, allowing the R8 to go from nought to 100 km/h (62 mph) in 4.2 seconds, or 0.4 seconds faster than the road-going version which is powered by a 420 HP 4.2-liter V8 petrol unit. The diesel engine is matted to a 6-speed manual gearbox.