2019 Audi A6 Pre-Purchase Inspection Checklist
Known Issues — 2019 Audi A6
MODERATE
48V mild hybrid belt starter-generator (BSG) failures on MHEV-equipped models
MODERATE
MMI touch response system (dual touchscreen) unresponsiveness or ghost inputs
MODERATE
Air suspension adaptive air spring failure causing corner sag
MODERATE
Carbon buildup on intake valves on direct injection engines
MODERATE
ADAS camera/radar calibration drift causing false warnings
MINOR
Early software bugs requiring dealer flash updates for full system stability
What to Inspect
- Test dual touchscreen MMI — both screens must respond accurately without ghost inputs
- Test air suspension across all modes — all corners must level and hold
- Verify all ADAS functions including adaptive cruise and lane centering
- Scan all modules for fault codes especially powertrain and chassis
- Check 48V mild hybrid system for fault codes if MHEV equipped
- Confirm all software updates have been applied at Audi dealer
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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