2018 Buick Enclave problems and complaints
Owners have filed 66 complaints with NHTSA about the 2018 Buick Enclave. The most-reported areas: Service Brakes (21), Power Train (16), Engine (13).
Key takeaways
- 66 owner complaints on file with NHTSA.
- 5 involve a crash, 0 a fire, 1 reported injury.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Service Brakes | 21 | 32% |
| Power Train | 16 | 24% |
| Engine | 13 | 20% |
| Electrical System | 10 | 15% |
| Unknown Or Other | 8 | 12% |
| Fuel/Propulsion System | 5 | 8% |
| Forward Collision Avoidance | 5 | 8% |
| Vehicle Speed Control | 2 | 3% |
| Suspension | 2 | 3% |
| Engine And Engine Cooling | 2 | 3% |
| Exterior Lighting | 2 | 3% |
| Air Bags | 2 | 3% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2018 Buick Enclave
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 Buick Enclave SUV AWD | 5/5 | 4/5 | 5/5 | 4/5 |
| 2018 Buick Enclave SUV FWD | 5/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Power Train,fuel/Propulsion System,forward Collision Avoidance - filed 2026-10-18
I am the original owner of this Buick Enclave Avenir. I have had two near accident occurences when the car started foring the breaks while I was accellarating on the highway and was not behind another vehicle. The car behind me nearly rerended me. On 10/17/26, my purge valve was replaced for the third time, making t...
Electrical System,vehicle Speed Control,forward Collision Avoidance - filed 2026-09-25
The vehicle is experiencing an intermittent but severe safety defect involving the StabiliTrak and Electronic Parking Brake (EPB) systems. While driving at operational speeds, the "Service StabiliTrak" warning light illuminates, immediately followed by the uncommanded, autonomous engagement of the electronic parking br...
Unknown Or Other - filed 2026-06-17
2018 Enclave w/106k on the odometer and the catalytic convertor cracked. $2200 repair.
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More for the 2018 Buick Enclave
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.