AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2019 Audi S4
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $6,000–$11,000
The 2019 Audi S4 has an average reliability rating due to limited recalls and owner complaints. However, the recall concerning the Passenger Occupant Detection System may impact safety, while minimal complaints suggest overall satisfaction.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| Passenger Occupant System | 30,000–50,000 miles | $500–$1,200 | common |
| Brake system | 40,000–60,000 miles | $300–$800 | occasional |
| Lane Departure System | 50,000–70,000 miles | $200–$400 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 10,000 miles
- Brake inspection annually
- Tire rotation every 10,000 miles
- Spark plugs at 60,000 miles
- Transmission service at 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Airbag indicator light
- Brake noise or vibration
- Unusual engine noises
- Lane departure failure alerts
Generated by gpt-4o on 8/18/2026. Cost ranges are conservative estimates that account for typical regional variation.