We don't have a lot of Audi S4 engine problems on file — feel free to add yours here. The most common S4 engine problems cost $5,400 to fix & occur at 56,000 miles. Click on a year below.

Worst Engine Problems
engine rattle on startup 2005 Audi S4
oil leak 2014 Audi S4
excessive oil consumption 2012 Audi S4