Performance Highlights The Audi R8 4.2 quattro is a mid-engine design. It is powered by a V8 generating a whopping 420 hp and 317 lb-ft of torque. It is capable of going from 0 to 60 mph in 4.4 seconds with a top speed of 187 mph. It also comes in a R8 5.2 version with 5.2 liter (318 cu in) V8 … [Read more...]