AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2008 Audi S6
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $5,500–$8,500
The 2008 Audi S6 has an average reliability rating due to limited recall exposure and low complaint volumes. Airbag issues are notable, reflecting known recalls, but other systems show minimal failure data. This suggests reasonable reliability for a luxury performance sedan, though potential airbag fixes should be factored in.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| airbag inflator | 60,000–100,000 miles | $0–$500 | very common |
| seat belts | 70,000–110,000 miles | $150–$300 | rare |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change
- Brake pad and rotor inspection
- Coolant replacement
- Transmission fluid change
- Tire rotation
- Timing belt inspection
- Spark plug replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Airbag warning light
- Unresponsive seatbelt retraction
- Unusual brake noise
- Oil leakage
- Decline in engine performance
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.