2011 Audi S5 Problems: 12 Known Issues
2011 model year · 497+ owner reports · Updated September 2026
According to Au7o's analysis of 497+ owner reports, the 2011 Audi S5 has 12 documented known issues, with 5 rated critical. The most serious are Crankshaft Pulley (Harmonic Balancer) Failure (3.0T) ($800-$5,000 repair), High-Pressure Fuel Pump N276 Metering Valve Failure and Cam Follower Wear (4.2 FSI V8) ($900-$2,600 repair), 4.2L FSI V8 (CAUA) Excessive Oil Consumption from Carbon-Clogged Low-Tension Piston Rings ($6,000-$14,000 repair), Takata Driver Frontal Airbag Inflator Rupture - Recall 18V082 (Audi 69R6) ($0-$0 repair) and 0B5 DL501 S tronic Mechatronic Unit Failure - PRNDS Flashing and Lost Gears ($1,800-$6,500 repair). The most commonly reported issue is Thermostat and Water Pump Assembly Failure with 211 owner reports. Across all issues with published estimates, repair costs range from $150 to $14,000. DIY maintenance guides at au7o.io.