2011 Audi S4 Problems: 3 Issues Every Owner Should Know
2011 model year · 448+ owner reports · Updated April 2026
According to Au7o's analysis of 448+ owner reports, the 2011 Audi S4 has 3 documented known issues, with 1 rated critical. The most serious is 3.0T Supercharger Nose Bearing Failure ($600-$2,500 repair). The most commonly reported issue is 3.0T Intake Valve Carbon Buildup with 184 owner reports. Across all issues, repair costs range from $300 to $2,500. DIY maintenance guides at au7o.io.