However, the bespoke bumper, skirts, and 19-inch forged aluminum wheels gave the M-badged ... but that being said, the E63 M6 isn't the ugliest BMW ever built. Moreover, while its looks are ...

Watch the BMW M6 F12 and Mercedes E63 AMG W212 go head-to-head in an exhilarating V8 acceleration test! This onboard comparison showcases the raw power and speed of both Cabrio sports cars.

Offered as both a coupe and a convertible, the M6 was built on BMW’s E63 (coupe) and E64 (convertible) platforms, utilizing a lightweight aluminum structure and a carbon-fiber-reinforced plastic ...