I bought a Mercedes Benz S550 to find out! Here's the result from my first road trip in it. 500 miles on 1 tank of gas. It's a big tank. Let me know what car you have and how many mpg you're getting ...

GM has been dealing with a problem under the hood, specifically, the ubiquitous 6.2-liter L87 V8 engine. Used in models such ...

Experience the thrilling sound and power of the Audi R8 V10 as we kick off with an exhilarating cold start. From a unique POV ...

NHTSA says more than 100 complaints have arisen that fall outside the scope of that callback, prompting further review.