The 2014 Audi A8 L TDI is the newest luxury sedan powered by a six-cylinder instead of an eight, more proof that the engine downsizing trend is hitting all segments. At first, it's odd to find ...

Big luxury cars are great. If you haven’t actually had the chance to drive one, go try that 5-year-old Mercedes-Benz S-Class in the dealership’s used-car section the next time you’re there to buy a ...

While most automakers are just dipping their toes in the diesel pool, Audi is diving right in with a range of new models for 2014. Engine: 3.0 liter turbodiesel V6 makes 240 hp and 406 lb-ft of torque ...