VW has never shied away from having their different brand compete with one another, but we will soon be seeing the ultimate in vehicular sibling rivalry. The Porsche 911 is the most popular club racing car ever built, and Porsche shows no signs of relinquishing this title. The only problem is that Audi want in on this game now. Audi knows about racing too, and after a decade of success at Le Mans they have huge bins of racing parts to bolt onto their road cars.
Having finally given some real power in the form of the TT RS's 2.5-liter 335 horsepower engine, they now have a car worthy of those racing parts. This car will be the fully race-ready TT GT4. One of these will run you about 120,000 Euros, which is a pretty big bump from the TT RS base price, but it's still cheaper than a 911 GT3 RS.