even Audi dabbled with the W engine. In fact, it was the first company under the VW Group umbrella to offer a W12 in a production car, which allowed the flagship D2 A8 to go toe-to-toe with V12 ...

this time of the next generation Audi A8 due out at the end of 2009. Reportedly three inches longer than the current A8, the next gen model will feature V12 diesel and V10 gas powerplants.

the monster diesel will find its way into the next A8 sedan, due in 2010. Audi's gonna do it. According to a German report, they're putting a race-derived 6.0-liter V12 TDI in the Q7 SUV for 2008.