At least that’s what their makers say. According to Audi, the RWS is ‘for purists with an appreciation for essential driving enjoyment’, while BMW reckons the CS is ‘the perfect ...

Experience the power and performance of the Audi R8 V10 Spyder as it faces off against the mighty BMW XM in an acceleration showdown. Watch both vehicles push their limits, with the Audi's V10 engine ...