The HWA Evo R is a more extreme version of the HWA Evo, a modern reimagining of the classic Mercedes-Benz 190E 2.5-16 Evo II.The Evo R is derived from a race car that will compete at this weekend's 24-hour Nürburgring race; only 15 will be built.The twin-turbocharged 3.0-liter V-6 produces 552 horsepower and 494 pound-feet of torque.