If you’re looking for an upscale roadster, then look no further. The 2011 Mercedes-Benz SL63 AMG is as upscale as you can get. This luxury class roadster is sporty, classy, and high performance. You can’t get any better. Let’s start with the engine. The 2011 SL63 AMG features a 6.3-liter V8 engine with 518 horsepower [...]