Neckarsulm, 2014-05-09 -- 419 kW (570 hp), from 0 to 100 km/h (62.1 mph) in 3.4 seconds: The Audi R8 LMX (12.9 liters of fuel per 100 kilometers [18 .2 US mpg]; 299 grams CO2 per kilometer [481 ...