2025 Audi A3 Pre-Purchase Inspection Checklist
Known Issues — 2025 Audi A3
MINOR
Early production software bugs in MMI and ADAS requiring dealer updates
MODERATE
Carbon buildup on TFSI intake valves
MODERATE
S tronic shudder in stop-and-go on some units
MODERATE
PHEV battery calibration faults on early production units
MINOR
ADAS false positive lane departure warnings
MINOR
Wireless CarPlay/Android Auto drops on some MMI versions
What to Inspect
- Confirm all software updates applied and warranty active
- Test S tronic in city stop-and-go
- For PHEV: verify EV range and charging capability
- Test wireless CarPlay/Android Auto connectivity
- Verify all ADAS features are calibrated
- Scan all modules for fault codes
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 10,000 miles | $110-$150 |
| S tronic service | every 40,000 miles | $280-$400 |
| Spark plugs | every 40,000 miles | $130-$170 |
| PHEV battery health check (if equipped) | annually | $100-$200 |
| Brake fluid flush | every 2 years | $80-$120 |
| Intake valve cleaning (walnut blast) | every 60,000-80,000 miles | $400-$600 |
| Cabin filter + air filter | every 20,000 miles | $70-$100 |
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