2020 Audi Q3 Pre-Purchase Inspection Checklist
Known Issues — 2020 Audi Q3
MODERATE
Carbon buildup on intake valves on TFSI models
MODERATE
S tronic shudder in stop-and-go traffic
MINOR
MMI infotainment lag and wireless connectivity issues
MINOR
ADAS false positive lane departure and braking warnings
MINOR
Sunroof drain clog causing headliner moisture
MINOR
Virtual Cockpit display pixel issues on some units
What to Inspect
- Test S tronic at low speeds — no shudder
- Verify MMI responsiveness and connectivity
- Test all ADAS features for accuracy
- Inspect sunroof drain for blockage
- Scan all modules for fault codes
- Verify Virtual Cockpit display quality
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-$180 |
| Intake valve cleaning (walnut blast) | every 60,000-80,000 miles | $400-$600 |
| Brake fluid flush | every 2 years | $90-$130 |
| Rear differential fluid | every 40,000 miles | $130-$200 |
| Cabin filter + air filter | every 20,000 miles | $70-$110 |
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