2024 Audi A4 Pre-Purchase Inspection Checklist
Known Issues — 2024 Audi A4
MODERATE
Carbon buildup on intake valves — monitor and clean as needed
MODERATE
Oil consumption on some TFSI units — check between services
MODERATE
ADAS false positive braking in certain road conditions
MINOR
Wireless Apple CarPlay intermittent disconnects
MODERATE
Quattro rear differential oil seal leaks on some AWD models
MINOR
Software issues with OTA updates causing MMI resets
What to Inspect
- Confirm all software updates have been applied at dealer
- Check oil consumption — ask owner if any top-ups between services
- Test all ADAS systems for proper function
- Verify wireless CarPlay/Android Auto connectivity
- Scan all modules for fault codes
- Check for quattro rear differential oil leaks
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 10,000 miles | $130-$170 |
| DSG S tronic service | every 40,000 miles | $300-$450 |
| Spark plugs | every 40,000 miles | $150-$200 |
| Quattro rear differential fluid | every 40,000 miles | $150-$220 |
| Brake fluid flush | every 2 years | $100-$150 |
| Pollen/cabin filter + air filter | every 20,000 miles | $80-$120 |
| Brake pads and rotors (front) | every 40,000-60,000 miles | $400-$700 |
Get a Personalized AI Inspection Report
The data above covers common issues. For a comprehensive, AI-generated report specific to this vehicle — including detailed checks for every system, red flags, and a full verdict — generate your free report below.
2 free reports per day · No account needed
More Audi Inspection Checklists
Maintenance Guides for Audi Owners
Want a complete buying guide? Read our Used Car Buying Inspection Checklist.