We delved into the details to find out. The BMW M6 Gran Coupe is one of the rarest and most overlooked M cars in recent history. We compared it to some other M Cars, including the contemporary M5 ...

Among high-performance touring cars, there are few that feature the pedigree, power and performance of the M6. Prices may start at $113,000, but the 560-horsepower V8 is more powerful, yet more ...