AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2000 Audi S4
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $15,000–$22,000
The 2000 Audi S4 faces multiple issues, particularly in the electrical and braking systems. The airbag recall adds to potential safety concerns. Frequent failures in these key areas suggest a below-average reliability rating.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| electrical system | 70,000–100,000 miles | $300–$800 | very common |
| service brakes | 80,000–110,000 miles | $400–$1,000 | common |
| tires | 25,000–50,000 miles | $400–$800 | common |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid replacement
- Tire rotations and balancing
- Timing belt replacement
- Transmission fluid change
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Frequent electrical issues
- Brake pedal feels soft
- Irregular tire wear
- Airbag warning light
- Overheating symptoms
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.