Reliability & 5-year cost of ownership — 2020 Audi S4
NHTSA data on file today
The 2020 Audi S4 has 3 NHTSA recall campaigns and 17 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #22V034000 Rear Axle May Be Misaligned NHTSA notice
- NHTSA #21V874000 Disabled Passenger Air Bag NHTSA notice
- NHTSA #21V295000 Rear Axle Lock Nuts May Break NHTSA notice
Most-cited components in owner complaints
- Electrical System 15 complaints
- Back Over Prevention 9 complaints
- Unknown or Other 5 complaints
- Forward Collision Avoidance 1 complaint
- Lane Departure 1 complaint
- Visibility/Wiper 1 complaint
Average
Estimated 5-year repair + maintenance cost: $7,500–$12,000AI estimate — not from NHTSA data
The 2020 Audi S4 has a moderate number of recalls and owner complaints, mainly involving tires, seats, and suspension. Despite these issues, it delivers reliable performance with manageable maintenance costs, which supports an average reliability rating.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| electrical system | 30,000–60,000 miles | $500–$1,500 | common |
| back over prevention system | 40,000–70,000 miles | $300–$1,000 | occasional |
| rear axle alignment | 20,000–40,000 miles | $200–$800 | rare |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid replacement
- Coolant system flush
- Transmission service
- Timing belt check/replacement
- Air filter replacement
- Tire rotation and alignment
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Warning lights for electrical faults
- Unusual tire wear patterns
- Seat heater malfunctions
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2020 Audi S4 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.