Engines would have no ... Crucially, the A4 would be allowed to keep its quattro all-wheel drive system for the BTCC. The A4 provided Audi Sport with some immediate benefits over the 80, including ...

Audi introduces its 2.0-liter TFSI inline-four, bucking the downsizing trend in favor of a 'rightsized' engine to debut in the next-generation A4. Downsizing engines is a trend sweeping the industry.