2018 GMC Canyon problems and complaints
Owners have filed 53 complaints with NHTSA about the 2018 GMC Canyon. The most-reported areas: Power Train (27), Electrical System (10), Engine (6).
Key takeaways
- 53 owner complaints on file with NHTSA.
- 2 involve a crash, 0 a fire, 1 reported injury.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Power Train | 27 | 51% |
| Electrical System | 10 | 19% |
| Engine | 6 | 11% |
| Unknown Or Other | 5 | 9% |
| Steering | 4 | 8% |
| Fuel/Propulsion System | 4 | 8% |
| Service Brakes | 3 | 6% |
| Exterior Lighting | 3 | 6% |
| Air Bags | 2 | 4% |
| Vehicle Speed Control | 2 | 4% |
| Seat Belts | 2 | 4% |
| Structure | 1 | 2% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2018 GMC Canyon
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Oil filter
- Engine air filter
- Cabin air filter
- Wiper blades
- Headlight bulb
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2018 GMC Canyon PU/CC RWD | 4/5 | 4/5 | 5/5 | 3/5 |
| 2018 GMC Canyon PU/CC 4WD | 4/5 | 4/5 | 5/5 | 3/5 |
| 2018 GMC Canyon PU/EC RWD | 4/5 | 4/5 | 5/5 | 3/5 |
| 2018 GMC Canyon PU/EC 4WD | 4/5 | 4/5 | 5/5 | 3/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Service Brakes - filed 2026-10-19
Driving down road and heard load screeching noise then when preparing to stop the brake felt like pushing on a brick wall and almost got hit after pulling into highway. The vacuum booster pump was found to have been sheared off engine.
Steering,power Train - filed 2026-07-30
On many occasions, over several years of ownership, ''NEW in 2018, the trans has had violent shift Problems. I could only find 1, ONE instance where a person was "injured'' by ANY of the GM 8L transmissions. My neck is hurting Now. I'm compelled to do this for Others who been Scammed by GM as they still sell a 8 speed ...
Unknown Or Other - filed 2026-06-26
The truck have a bad shudder that can shake you off the road. They know about the issue because its been an issue with there vehicles. I have a 2020 colorado also with this dangerous issue.
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More for the 2018 GMC Canyon
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.