2018 Audi A5 Pre-Purchase Inspection Checklist
Known Issues — 2018 Audi A5
MODERATE
Carbon buildup on intake valves (direct injection) causing misfires
MODERATE
S tronic 7-speed dual clutch shudder at low speeds
MINOR
Virtual Cockpit display pixel issues or delamination
MODERATE
Electric power steering intermittent loss of assist
MODERATE
ADAS camera calibration drift causing false lane warnings
MINOR
Sunroof wind noise from degraded seals at highway speeds
What to Inspect
- Test S tronic at low speeds and from standstill — no shudder
- Check electric power steering for consistent assist through full lock
- Verify Virtual Cockpit display clarity
- Test all ADAS features including adaptive cruise and lane keeping
- Scan all modules for fault codes
- Listen for sunroof wind noise at highway speed
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 10,000 miles | $130-$170 |
| S tronic service | every 40,000 miles | $300-$450 |
| Spark plugs | every 40,000 miles | $150-$200 |
| Intake valve cleaning (walnut blast) | every 60,000-80,000 miles | $400-$600 |
| Quattro rear differential fluid | every 40,000 miles | $150-$220 |
| Brake fluid flush | every 2 years | $100-$150 |
| 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.