The 2013 BMW Z4 is a RWD roadster available with three different engines; a standard 2.0-liter twin-turbocharged 4-cylinder engine (240 hp), an optional 3.0-liter twin-turbocharged V6 (300 hp), and a performance-oriented 3.0-liter twin-turbocharged V6 (335 hp). Transmission options consist of a 6-speed manual transmission, 8-speed automatic transmission, and a 7-speed double clutch automatic transmission. Fuel mileage falls within an EPA estimated range of 17 mpg city to 34 mpg highway. Features include 18-inch wheels, electronic throttle control, xenon adaptive headlights, iPod integration, hi-fi sound, hands-free phone capabilities, rain-sensing windshield wipers, automatic climate control, 10-way power seats, and heated external mirrors. Safety is comprised of advanced airbags, cornering brake control, driving dynamics control, anti-lock braking (ABS), dynamic stability control, brake drying, dynamic traction control, vehicle-speed-sensitive electric power steering, and tire pressure monitoring (TPMS). The Z4 is backed by a 4-year/50,000-mile warranty.