2016 Infiniti Q50 Pre-Purchase Inspection Checklist
Known Issues — 2016 Infiniti Q50
MODERATE
3.0T engine VQ30DDTT timing chain tensioner wear causing rattle on cold start
MODERATE
DAS steer-by-wire lag and unreliable feel in some driving conditions
MODERATE
Carbon buildup on direct-injection intake valves on 3.0T
MINOR
Infotainment dual-screen system slow and freezing
MODERATE
Oil consumption on 3.0T variants
MINOR
Sunroof wind noise from seal gaps
What to Inspect
- 3.0T cold start timing chain rattle check
- Oil consumption assessment on 3.0T
- DAS steering feel and recall completion status
- Intake valve carbon on 3.0T units
- Infotainment dual-screen responsiveness
- Check service history — timing chain issues need early detection
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Engine oil service | every 5,000-7,500 miles | $70-$120 |
| Major service (plugs, filters, fluids) | every 30,000 miles | $400-$700 |
| Timing chain inspection/service (3.0T) | as needed | $1,500-$3,500 |
| Transmission fluid | every 60,000 miles | $150-$280 |
| Brake pad/rotor replacement | every 30,000-50,000 miles | $350-$650 |
| Intake valve cleaning | every 40,000-60,000 miles | $400-$700 |
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