Reliability & 5-year cost of ownership — 2011 Audi S4
NHTSA data on file today
The 2011 Audi S4 has 1 NHTSA recall campaign and 26 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 4.0 out of 5 stars, for the 1 NHTSA-tested trim.
Recall campaigns on file
- NHTSA #15V019000 Fuel Injection System Fuel Leak NHTSA notice
Most-cited components in owner complaints
- Power Train 22 complaints
- Engine 5 complaints
- Electrical System 2 complaints
- Unknown or Other 2 complaints
- Electronic Stability Control (ESC) 1 complaint
- Suspension 1 complaint
Together, the 26 complaints on file report 1 injury (owner-reported, not verified by NHTSA).
Below average
Estimated 5-year repair + maintenance cost: $10,000–$15,000AI estimate — not from NHTSA data
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 (AI estimate) | Cost range (AI estimate) | 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 |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
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 from the NHTSA recall campaigns and owner-complaint counts on file for the 2011 Audi S4 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.