And presto, the elegant 6 Series has a sporty four-door variant. A standard sporty eight speed automatic transmission ensures optimal drive. The 640i Gran Coupe harnesses all of 235 kW of power and sprints from 0 to 100 kph in 5.4 seconds. Top speed is 260 kilometers per hour. In Germany this four-door dream can be had new for 79,500 euros.