2023 GMC Canyon Pre-Purchase Inspection Checklist
Known Issues โ 2023 GMC Canyon
2.7L Turbo I4 timing chain rattle on cold start
8-speed automatic transmission rough shifts when cold
Carbon buildup on 2.7T direct injection engine
11.3-inch infotainment screen lag or freeze
Multimatic DSSV dampers stiffness complaints (AT4X/Denali)
Wireless CarPlay connectivity drops
What to Inspect
- Listen for cold-start timing chain rattle on 2.7T
- Test 8-speed transmission cold shift quality
- Test 11.3-inch infotainment for lag or freeze
- Test wireless CarPlay connectivity
- On AT4X โ test Multimatic DSSV damper modes
- Check 4WD engagement through all modes
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 7,500 miles | $70-$100 |
| Transmission fluid service | every 45,000 miles | $200-$300 |
| Intake valve cleaning (2.7T DI) | every 60,000 miles | $250-$400 |
| Spark plugs | every 60,000 miles | $150-$250 |
| Transfer case fluid | every 45,000 miles | $80-$120 |
| Brake service (pads and rotors) | every 45,000 miles | $350-$550 |
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