Audi's recently-upgraded common rail diesel A3 featuring start-stop technology is the most efficient model in the United Kingdom when talking about its class. The upgraded 2.0-liter TDI engine was ...

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The 2.0 TDI engine is the new optional powerplant for the A3, Audi's small-car offering that first arrived here for 2006. The TDI certainly makes a lot more sense than the 3.2-liter V-6 (which has ...

What you're looking at on these pages is probably the most extreme Audi A3 you're ever likely to see. And it's been built with one purpose in mind: to go up hills faster than anything else this side ...