2023 Infiniti QX80 Pre-Purchase Inspection Checklist
Known Issues — 2023 Infiniti QX80
MODERATE
VK56 timing chain cold-start rattle — same long-running issue
MODERATE
Air suspension height sensor failures
MINOR
Power running board motor failure
MINOR
Infotainment outdated platform for the price point
MODERATE
Fuel pump failure risk on higher-mileage units
What to Inspect
- Cold start timing chain rattle
- Air suspension all heights
- Power running board operation
- Fuel pump noise
- All luxury features test
- Confirm warranty coverage
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Engine oil service | every 5,000 miles | $120-$180 |
| Major service (plugs, filters, fluids) | every 30,000 miles | $600-$1,000 |
| Transfer case and differential fluids | every 30,000 miles | $300-$500 |
| Air suspension service | as needed | $800-$2,000 |
| Brake pad/rotor replacement | every 30,000-50,000 miles | $500-$900 |
| Tire replacement | every 40,000-55,000 miles | $900-$1,400 |
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