Boasting 617 horsepower from a twin-turbocharged 4.4-liter V8, the M8 Gran Coupe is one of the fastest 4-door coupe models currently on sale, but the BMW's appeal doesn't stop there. Inside ...

The lineup is now limited to the BMW M8 Convertible and Gran Coupe (BMW-speak for slope-y four-door). Notably ... brand's 617-horsepower twin-turbocharged 4.4-liter V-8. This unit drives the ...

The BMW 8 Series is a large and imposing luxury car available in coupe, convertible and four-door Gran Coupe ... fast (and expensive) M8 models get turbocharged 4.4-liter V-8s rated at 523 hp ...

The BMW 8 Series is a large and imposing luxury car available in coupe, convertible and four-door Gran Coupe ... fast (and expensive) M8 models get turbocharged 4.4-liter V-8s rated at 523 and ...