"How reliable is the 2018 Buick Enclave?"

"Based on 82 NHTSA complaints, the 2018 Buick Enclave has a median complaint mileage of 23700 miles. The most common issue is SERVICE BRAKES."

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

"The most frequently reported component in NHTSA complaints for the 2018 Buick Enclave is SERVICE BRAKES, accounting for a significant portion of the 82 total complaints filed."

2018 Buick Enclave: Reliability Data

Source: NHTSA — 82 complaints

Total Complaints

23,700mi

Median Mileage

SERVICE BRAKES

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

10,250 25th Percentile

23,700 Median Mileage

47,962 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES

POWER TRAIN

ENGINE

ELECTRICAL SYSTEM

UNKNOWN OR OTHER

FUEL/PROPULSION SYSTEM

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

AIR BAGS

STEERING

BACK OVER PREVENTION: WARNINGS

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"ON ONLY THE THIRD DAY AFTER PURCHASING A BUICK ENCLAVE AVENIR 2018 I HAD A SAFETY ISSUE INVOLVING THE BRAKES. WHEN APPLYING THE BRAKES A GRINDING NOISE WITH AN INABILITY TO PROPERLY BRAKE AND A RED SERVICE BRAKE ASSIST MESSAGE APPEARED ON MY DASH. THIS HAS HAPPENED FROM A COLD START AS WELL AS AFTE..."

"TL* THE CONTACT OWNS A 2018 BUICK ENCLAVE. THE CONTACT STATED THAT WHEN THE VEHICLE WAS IN REVERSE, THE VEHICLE ROLLED FORWARD WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE SUSS BUICK GMC DEALER (866-608-5251, 1301 S HAVANA ST, AURORA, CO 80012) WHERE THE TECHNICIAN TEST DROVE THE VEHICLE AND STATED..."

"I WAS DRIVING THE CAR AND WHEN I DEPRESSED THE BRAKES THE BRAKES DID NOT ENGAGE. THE DASHBOARD ILLUMINATED WITH A "BRAKE ASSIST: ALERT AND I COULD FEEL THE ABS BRAKES ENGAGE. LUCKILY THIS HAPPENED WHILE I WAS PULLING INTO A PARKING LOT. ONLY HAD 1,200 MILES. HAD VEHICLE TOWED TO DEALER. CHECK ENGINE..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28