Now available with optional xDrive AWD, the 2014 BMW 6 series is a RWD, luxury, coupe available in four door, two door, and convertible trim levels. Base 640i models are powered by a 3.0-liter inline-6 engine that produces 315 hp. Upgrading to the 650i grants the driver a 4.4-liter twin-turbocharged V8 engine that produces 445 hp. All trims are paired to an 8-speed automatic transmission that enables an EPA estimated 19 mpg city and 30 mpg highway (for the base 640i). Features include xenon adaptive headlights, retractable headlight washers, 20-way power seats, leather upholstery, keyless entry, automatic climate control, tilting glass panel roof, heated drivers door lock, rear-view camera, Bluetooth® wireless capabilities, and navigation system. Safety is comprised of advanced airbags, anti-lock braking system (ABS), electronic stability control (ESC), traction control system (TCS), and tire pressure monitoring system (TPMS). The 6 series is backed by a 4-year/50,000-mile warranty.