Our concern involves the 850s' fit and finish. The normally aspirated sedan we shepherded through 35,000 miles developed a ...

This 2007 Mercedes-Benz E-Class in Buford, Georgia, is a meticulously cared-for E63 AMG with 94,000 miles, a clean Carfax, ...

Diesel engines like the 3.0L Duramax require special maintenance, including the use of DEF, or Diesel Exhaust Fluid. Now, GM ...