2021 Audi Q7 Pre-Purchase Inspection Checklist
Known Issues — 2021 Audi Q7
MODERATE
Air suspension air spring failure on any corner
MODERATE
48V MHEV belt starter-generator failures
MODERATE
PHEV high-voltage battery management faults causing reduced EV range
MODERATE
MMI dual touchscreen ghost inputs or unresponsive areas
MODERATE
ADAS false positive emergency braking events
MINOR
Third-row power seat mechanism binding or failure
What to Inspect
- Test all air suspension modes
- For PHEV: verify EV range and full charge capability
- Check 48V MHEV fault codes if equipped
- Test dual MMI touchscreens for accuracy
- Verify all ADAS features are active
- Scan all modules for fault codes
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 10,000 miles | $150-$200 |
| Air suspension air springs (per corner) | as needed | $500-$900 each |
| Transmission service | every 40,000 miles | $350-$500 |
| Spark plugs (V6) | every 40,000 miles | $200-$300 |
| PHEV battery health check | annually | $100-$200 |
| Brake fluid flush | every 2 years | $120-$160 |
| Rear differential fluid | every 40,000 miles | $150-$220 |
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