In this video, the Mercedes E63 AMG S goes head-to-head with the BMW M5 in a straight-line acceleration battle. Two high-performance German sedans, both packing twin-turbo V8 power and all-wheel-drive ...

Before 1981, performance was simple. Auto manufacturers just created bigger engines, more cylinders, and louder exhausts like the Pontiac 7.5L V8 engine, used in models like the GTO, Firebird Trans Am ...