Glacier Silver Metallic 2015 BMW 6 Series 640i Gran Coupe RWD 8-Speed Sport Automatic with Shift Paddles 3.0L I6 20/31 City/Highway MPG Awards: * JD Power Automotive Performance, Execution and Layout (APEAL) Study Reviews: * Long list of standard features; cutting-edge technology; seductive style. Source: Edmunds * Powerful, refined engines; superbly crafted interior; convertible model's versatile soft top; relatively large trunk. Source: Edmunds * With prodigious power, advanced technology, and luxurious surroundings, the 2015 BMW 6 Series offers a surprising value compared to competition like the Jaguar XK and Mercedes-Benz E-Class Coupe. Source: KBB.com