AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2015 Audi S5
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $8,000–$15,000
The 2015 Audi S5 has limited NHTSA recalls and a few owner complaints, particularly in major systems like engine and steering. While it generally performs well, prospective buyers should be mindful of potential costs associated with aging luxury features.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| engine | 80,000–120,000 miles | $1,500–$5,000 | common |
| fuel system | 70,000–100,000 miles | $500–$2,000 | occasional |
| steering rack | 90,000–130,000 miles | $800–$2,500 | occasional |
| lane departure sensors | 60,000–90,000 miles | $300–$1,500 | rare |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid replacement
- Transmission fluid check
- Coolant system inspection
- Spark plug replacement
- Air filter replacement
- Timing belt inspection
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Rough idling or stalling
- Difficulty in steering
- Fuel smell inside cabin
- Unresponsive lane assist
- Unusual engine noise
Generated by gpt-4o on 7/25/2026. Cost ranges are conservative estimates that account for typical regional variation.