2018 Buick Enclave Recalls, Problems & Safety Rating

2018 Buick Enclave recalls

No safety recalls on file for the 2018 Buick Enclave.

Most common 2018 Buick Enclave problems

Problem areas named in the 66 complaints owners filed with NHTSA.

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

What owners report

2026-10-18, Fuel/Propulsion System
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 replaced. Our family shop suggested waiting until the end of summer since I wouldnt be driving

2026-09-25, Vehicle Speed Control
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 unable to accelerate out of harm's way.The vehicle was brought to an authorized General Motors deal

2026-06-17, Unknown Or Other
2018 Enclave w/106k on the odometer and the catalytic convertor cracked. $2200 repair.

2026-06-08, Fuel/Propulsion System
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, raising questions about emissions compliance and the overall reliability of my vehicle. Given that other

2026-05-26, Engine And Engine Cooling
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 Charging System" and "Steering Assist Is Reduced- Drive with Care" were displayed. The vehicle failed to re

2018 Buick Enclave questions

Does the 2018 Buick Enclave have any recalls?

No. NHTSA has no safety recalls on file for the 2018 Buick Enclave at this time.

What are the most common problems with the 2018 Buick Enclave?

Based on 66 owner complaints filed with NHTSA, the most-reported problem areas are Service Brakes (20), Power Train (16), Engine (13).

How do I check if a recall on my 2018 Buick Enclave has been fixed?

Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.