AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2011 Audi S4
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $10,000–$15,000
The 2011 Audi S4 has frequent issues with the power train, as evidenced by 22 complaints. Additionally, a major recall for the fuel injection system increases repair risks, impacting the vehicle's reliability rating.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| power train | 50,000–80,000 miles | $2,000–$4,000 | very common |
| engine | 60,000–100,000 miles | $1,500–$3,500 | common |
| fuel injection system | 40,000–70,000 miles | $350–$800 | common |
| electrical system | 40,000–80,000 miles | $300–$700 | occasional |
| suspension | 70,000–110,000 miles | $500–$1,200 | rare |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 10,000 miles
- Brake fluid replacement every 30,000 miles
- Spark plug replacement every 60,000 miles
- Transmission fluid change every 40,000 miles
- Coolant replacement every 50,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Vibrations or clunking noises when shifting
- Unusual engine noises or power loss
- Fuel smell in or around the vehicle
- Electrical glitches or failures
- Suspension noises over bumps
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.