Check out this 2007 Audi A3 2.0T that has a four-cylinder 16v turbo engine, Neuspeed software, Forge Motorsport diverter valve and atmospheric spacer, Bilstein PSS10 coilovers, and much more ...

Our little 2.0T Tiptronic Quattro is back. Our testing began a few years ago with APR software and a Carbonio intake netting us 60 wheel horsepower in the midrange and even greater torque, and ...

Between its turbocharged Quattro performance and some of the best tech in the biz, Audi's A4 holds a very strong position in its class.