You should use 8.8 liters of motor oil for RS5 Coupe service. Make sure you buy high quality oil for Audi RS5 Coupe. One of the popular Audi’s engine in 2010 was 4.2 motor. If you want 4.2 motor in RS5 Coupe to serve you longer, purchase Synthetic 5w40 oil only. It has model code CFSA and is prepared to work with Synthetic 5w40 type of oil.
Don’t miss what your 4.2 engine really needs and save your Audi in good condition be servicing it. You buy 8.8 liters of Synthetic 5w40 motor oil and endure you vehicle life for a year. Every engine likes to get recommended oil, 2011 Audi RS5 Coupe isn’t an exception.