The overhauled Audi A6 Avant kicks off a new generation for the automaker's mid-size offering and should be joined by a sedan later this year. A turbocharged 3.0-liter V-6 produces 362 horsepower ...

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. The street version of the V12 TDI will be the most powerful passenger car ...

the hard reality for AMG is that its buyers associate it with V8 and even V12 engines. That emotional pull is hard to replace with logic, even if the new model offers technical superiority. I was ...