AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 1998 Audi A8
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $6,000–$9,000
The 1998 Audi A8 faces significant reliability concerns, notably due to airbag recalls and transmission issues. The cost of ownership is amplified by a potential for tie rod failures and aging transmission systems, reflected in numerous recalls and complaints.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| automatic transmission | 80,000–120,000 miles | $3,000–$5,000 | common |
| airbag inflator | Any mileage | $0–$1,000 | common |
| tie rods | 70,000–110,000 miles | $300–$700 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 5,000 miles
- Brake system check annually
- Fluid top-offs biannually
- Timing belt replacement at 90,000 miles
- Coolant system flush every 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Shifter moves without key
- Steering feels loose
- ABS or airbag warning lights
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.