An extended length variant of the A8, the 2014 Audi A8 L is available with four different engines; 3.0-liter TDI (240 hp/407 lb-ft of torque), 3.0-liter TSFI (333 hp/325 lb-ft of torque), 4.0-liter TSFI (420 hp/444 lb-ft of torque), and 6.3-liter W12 (500 hp/463 lb-ft of torque). Drivetrains consist of standard FWD and optional AWD. The 8-speed automatic transmission enables the diesel powered A8 L to achieve fuel mileage within an EPA estimated range of 24 mpg city and 36 mpg highway. Features include 20-inch wheels, rear window shades, Audi parking system plus, rear seat comfort package, power door close assist, 22-way front comfort seats, touch technology navigation, cornering lights-static LED, heated side mirrors, heated windshield nozzles, navigation, hands-free phone capabilities, and rear seat entertainment system. Safety is comprised of night vision assistant with pedestrian detection, Side guard® head curtain airbags, electronic stability control (ESC), brake assist (BA), anti-lock braking (ABS), electronic brake pressure distribution (EBD), traction control (TCS), tire pressure monitoring (TPMS), rear-passenger thorax side airbags, and Audi lane assist. The A8 L is backed by a 4-year/50,000-mile warranty.