Competing in the midsize convertible segment, the 2014 Mercedes-Benz AMG SL 65 Convertible competes directly only with the Porsche 911 Turbo S Convertible, and the Audi R8 Spyder. The Mercedes-Benz AMG SL 65 Convertible starts off at an MSRP of $214,500, It is offered with a 6.0L twin-turbocharged V12 engine and a 7-speed automatic transmission, producing 621 horsepower and 738 lb-ft of torque. Through this powertrain, the Mercedes-Benz AMG SL 65 Convertible manages a 0-60 of 3.9 seconds and a combined fuel economy of 17 MPG.