Audi presents the TT ultra quattro concept
Audi unveiled today the TT ultra quattro concept, a prototype based on the current TT S quattro model which will be seen at this year's edition of the Wörthersee show. Power is provided by a 2.0-liter engine offering 310 horsepower and 400Nm of torque. The 0-100 km/h sprint is possible in 4,2 seconds with a top speed of 280 km/h....