The trademark mechanical banshee howl is one of the best things about the V12. Here are some of the best-sounding full-throated V12s in history.

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.

Audi’s stunning V12 bi-turbo diesel engine is truly the star of its new Le Mans effort. Audi launched the direct-injection “TDI”-type engine in 1989. Today half of all new Audis carry a TDI ...

The Audi R8 V12 TDI concept is the first application of a diesel engine in a high-performance sports car designed for public roads: Audi has been winning races with their diesel-powered R10 race car ...

A road-going Audi Q7 SUV with a Le Mans race-bred V12 TDI engine bristling with 1,000Nm of torque takes pole position this week as the world's most powerful diesel passenger car.

Though they aren't oddities by default, because they feature a V12, these five models are unconventional, especially when ...

Audi is taking TDI technology to a whole new level with the Audi Q7 V12 TDI quattro, the most powerful diesel-powered passenger vehicle in its class. The V12 engine under the hood generates 368 kW ...

Audi has also made great strides to keep the twin-turbocharged engine as compact and light as possible. Compared with Audi's V8 TDI engine, the V12 is only 6.54 inches longer.

In fact, the Q7 V-12 TDI was developed by Audi’s Quattro GmbH high-performance division, and Audi even considered officially dubbing it an RS model. A diesel-powered Audi RS?

Retracing the life, and death, of Rudolf Diesel in the mighty Audi Q7 V12 TDI. Read the full story on the 2009 Audi Q7 V12 TDI crossover SUV at Automobile Magazine online.

September 15, 2006 Audi is set to debut the first twelve-cylinder diesel engine in a series passenger car. A six-litre V12 will be available in the Audi Q7 that is reminiscent of the engine ...