2018 GMC Acadia Pre-Purchase Inspection Checklist
Known Issues — 2018 GMC Acadia
CRITICAL
6-speed automatic transmission torque converter shudder
MODERATE
Oil consumption on 2.5L I4
MODERATE
Infotainment system freezing
MODERATE
Third-row seat mechanism binding
MINOR
Power liftgate latch failure
MINOR
Rear brake caliper sticking in cold weather
What to Inspect
- Test 6-speed transmission for torque converter shudder
- Check oil level on 2.5L I4
- Test infotainment for freezing
- Test third-row seat fold mechanism
- Test power liftgate
- Test rear brake release after sitting overnight
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 7,500 miles | $70-$100 |
| Transmission fluid service | every 45,000 miles | $180-$280 |
| Spark plugs (V6) | every 60,000 miles | $200-$320 |
| Brake service (pads and rotors) | every 45,000 miles | $350-$550 |
| Coolant flush | every 50,000 miles | $100-$150 |
| Transfer case fluid (AWD) | every 45,000 miles | $100-$150 |
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