Germany’s Auto motor und Sport heads to the track, to put Audi’s hardcore R8 GT model through its paces. Undercutting the regular V10 R8 by 100kg, the 412 kW (560 hp) GT cracks 100 km/h (62 mph) in 3.6 seconds and 200 km/h in 10.8 seconds. Top speed is a pleasant 321 km/h (199mph).