Audi RS TT Is Engineered For Performance: Five-Cylinder Engine Delivers 400 HP, 354 Lb-Ft Of Torque Audi unveiled the 2017 Audi TT RS ahead of the Beijing Auto Show, which begins April 25. The new vehicle comes in both coupe and roadster form, and packs a five-cylinder engine capable of 400 horsepower and 354 pound-feet of torque. by Aaron Mamiit