2023 Audi A3 Pre-Purchase Inspection Checklist
Known Issues — 2023 Audi A3
MODERATE
Carbon buildup on TFSI intake valves
MODERATE
S tronic shudder in stop-and-go traffic
MODERATE
PHEV battery management software faults
MODERATE
ADAS false positive braking in certain conditions
MINOR
OTA software update failures requiring dealer visit
MINOR
Wireless CarPlay/Android Auto connectivity drops
What to Inspect
- Test S tronic in city conditions for shudder
- For PHEV: verify EV range and charging performance
- Verify all ADAS features are active and calibrated
- Test wireless CarPlay/Android Auto connectivity
- Scan all modules for fault codes
- Confirm all OTA updates applied
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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