There are no safety recalls for the 2018 Buick Enclave, but owners have filed 66 complaints with NHTSA.
2018 Buick Enclave problems reported by owners
| Problem area | Reports | |
|---|
| Service Brakes | 20 | |
| Power Train | 16 | |
| Engine | 13 | |
| Electrical System | 10 | |
| Unknown or Other | 8 | |
| Fuel/Propulsion System | 5 | |
| Forward Collision Avoidance | 5 | |
| Structure | 2 | |
| Suspension | 2 | |
| Back Over Prevention | 2 | |
| Steering | 2 | |
| Vehicle Speed Control | 2 | |
Most reported parts
- Forward Collision Avoidance › Automatic Emergency Braking — 5
- Structure › Body — 2
- Back Over Prevention › Warnings — 2
- Service Brakes, Air › Antilock › Abs Warning Light — 1
- Lane Departure › Warning — 1
- Power Train › Automatic Transmission — 1
- Engine and Engine Cooling › Engine › Engine Control Module (Ecu/Ecm) — 1
- Electrical System › Alternator/Generator/Regulator — 1
Typical mileage at the time of the problem: 24,400 miles (median of owner reports).
Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.
Recent 2018 Buick Enclave complaints
Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.
Fuel/Propulsion System · reported Oct 18, 2026
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 this the fourth purge valve the car has had. After getting gas, the car will not start, which is an indicator the part has gone bad and needs to be replaced. In June of 2025 I took my car to Anderson Buick over concerns while accellerating. They confirmed my transmission needed to be…
Vehicle Speed Control · reported Sep 25, 2026
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 brake. When the defect occurs, the vehicle forcibly brakes itself and suffers a complete loss of throttle response, preventing acceleration. This creates a severe, immediate crash hazard, as the vehicle decelerates abruptly without warning to surrounding traffic, leaving the driver…
Fuel/Propulsion System · reported Jun 8, 2026
I am submitting this letter to formally report two ongoing issues with my 2018 Buick Enclave. First, I have experienced persistent problems with the emissions purge valve. My vehicle has repeatedly triggered diagnostic trouble code P0496, indicating a malfunction in the purge valve system. I am aware that this issue has been the subject of recall campaigns for other Buick Enclave models; however, my vehicle has not been included in any such recall, despite exhibiting the same symptoms. This malfunction has resulted in persistent check engine warnings and noticeable performance concerns…
Engine and Engine Cooling · at 72,000 miles · reported May 26, 2026
The contact owns a 2018 Buick Enclave. The contact stated that while driving at various speeds, the vehicle shut off and failed to restart. The vehicle was towed to the dealer, where the alternator was replaced 4 times before the dealer diagnosed that the failure was due to oil leaking onto the alternator and the battery. The contact stated that the alternator had been replaced 6 times in total. Additionally, the contact stated while pulling out of the parking lot and onto the road, the vehicle shut off. The messages "Electronic Control Module Failure", "Battery Saver Active", "Battery…
Power Train · reported May 12, 2026
After two transmission flushes and being told by a Buick dealership's service technicians that nothing is wrong with the vechile's transmission, it has now failed completely at ~90k miles.
Frequently asked questions
Does the 2018 Buick Enclave have any recalls?
No. NHTSA has no safety recalls for the 2018 Buick Enclave as of this update. Check your VIN at nhtsa.gov/recalls for the latest status.
What is the most common problem with the 2018 Buick Enclave?
Owners report service brakes problems most often (20 reports), followed by power train (16). The typical mileage when problems were reported is about 24,400 miles.
Are Buick recall repairs free?
Yes. Safety recall repairs are free at authorized Buick dealers, whether you are the first owner or bought the car used.