The 2015 Audi S5 is one of two performance variants of the A5 and slots under the V-8-powered RS 5. All-wheel drive is standard on all models and a coupe and convertible are available. The only engine is a supercharged 3.0-liter V-6 rated at 333 hp and 325 lb-ft of torque paired to a six-speed manual or seven-speed dual-clutch automatic transmission. Fuel economy is good for the class at 18/28 mpg city/highway for S5s with the automatic and 17/26 mpg with the manual. Convertible models are not offered with the manual and achieve 18/26 mpg.