2023 Audi A6 Pre-Purchase Inspection Checklist
Known Issues — 2023 Audi A6
MODERATE
48V mild hybrid BSG failures on MHEV models
MODERATE
MMI dual touchscreen ghost inputs especially in temperature extremes
MODERATE
Air suspension air spring failure on higher mileage units
MODERATE
ADAS radar calibration issues after any front-end work
MINOR
OTA software update failures requiring dealer intervention
MODERATE
Carbon buildup on intake valves on direct injection variants
What to Inspect
- Test both MMI touchscreens in varying temperature conditions
- Test all air suspension modes and confirm all corners respond
- Verify all ADAS functions are active with no calibration faults
- Scan all modules for fault codes
- Confirm all OTA software updates have been applied
- Check 48V MHEV system if equipped
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 10,000 miles | $150-$200 |
| Spark plugs (V6) | every 40,000 miles | $200-$300 |
| Quattro rear differential fluid | every 40,000 miles | $150-$220 |
| Air suspension service (if needed) | as needed | $800-$2,000 |
| Brake fluid flush | every 2 years | $120-$160 |
| Cabin filter + air filter | every 20,000 miles | $100-$150 |
| Brake pads and rotors (front) | every 40,000-60,000 miles | $500-$900 |
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