AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2008 Audi S4
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $12,000–$18,000
The 2008 Audi S4 faces significant reliability concerns. Frequent airbag recalls and a few steering-related complaints negatively impact its overall reliability, making it a less viable option for long-term ownership.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| airbags | 70,000–100,000 miles | $500–$1,200 | common |
| steering column | 80,000–110,000 miles | $800–$1,500 | common |
| engine mounts | 90,000–120,000 miles | $600–$1,000 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Change oil every 7,500 miles
- Replace brake pads as needed
- Flush coolant every 50,000 miles
- Check timing belt at 90,000 miles
- Rotate tires every 10,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- ABS warning light
- Unresponsive steering
- Unusual engine vibrations
- Airbag warning light
- Engine coolant leaks
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.