An RS5 engine available for sale refers to the high-performance powerplant used in the Audi RS5. Depending on the generation, this may be either the 4.2-liter naturally aspirated V8 (older B8 models) or the 2.9-liter twin-turbocharged V6 (newer B9 models). These engines are engineered for strong horsepower, responsive acceleration, and sport-oriented performance. When considering a... https://turboautoparts.com/used-engine/audi/rs5