Most Read Car Reviews of the Week: May 4 -11

This week on AutoGuide.com, a German-built sports car attracted the most attention from readers. The 2014 Mercedes CLS63 AMG S 4MATIC gets its power from a massive 5.5-liter turbocharged V8 making 577 hp and 590 lb-ft of torque. The engine is hooked up to a...