Autoweek and Fourtitude were able to enjoy some seat time in the Audi R8 V12 TDI LeMans concept before its ... transmission mated to the engine is an A4 case with modified internals.

Audi has done many crazy things in the past, but putting a twin-turbocharged V12 diesel engine in the Audi R8 might take the cake.

The A4 is a lovely car that is fun to drive ... Unavailable in North America, the 2008 to 2012 Audi Q7 V12 TDI was an exercise in extremes. Audi used what is ostensibly its largest and heaviest ...

Over 700 ft.-lbs. of torque gets us excited enough, but when Audi's new head, Rupert Stadler, made the remark that "the launch of the V12 TDI is part of our broad-based diesel initiative in the US ...

The BMW 3 Series is a slightly better all-rounder and offers keen drivers greater thrills behind the wheel, but the A4 is more comfortable if you stick with our favourite Technik trim. The 35 TDI ...