The 6 Series is BMW's 5 Series-based two-door coupe and convertible that competes with the Mercedes-Benz E-Class coupe and convertible. The 6 Series is also offered as a sleek four-door Gran Coupe ...

The M6 is the highest-performing variant of the midsize premium 6 Series, which is also offered in high-end, all-wheel-drive Alpina B6 form. Based on the BMW 6 Series, the M6 is the sportiest ...