AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2010 Audi S4
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $6,000–$12,000
The 2010 Audi S4 has average reliability with notable issues in power train and engine cooling. While these don't affect all vehicles, they can lead to costly repairs.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| power train | 60,000–100,000 miles | $2,000–$6,000 | very common |
| engine cooling | 70,000–110,000 miles | $1,200–$3,500 | common |
| electrical system | 80,000–120,000 miles | $500–$1,200 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 10k miles
- Brake fluid replacement every 2 years
- Spark plug replacement every 60k miles
- Coolant system check annually
- Timing belt inspection every 60k miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Transmission slipping
- Overheating engine
- Electrical glitches
- Poor acceleration
- Coolant leaks
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.