2018 Buick Enclave reliability
Owners have filed 64 complaints with NHTSA about the 2018 Buick Enclave over 9 years — 9 per year. That is the most complaints per year among the 13 Enclave years on this site. NHTSA has no recalls on file for this model year.
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The complaints owners file most often name Service brakes (20 of 64), then Powertrain (15) and Engine (13). Those filings include 5 that report a crash and 1 that reports an injury.
The 2017 Enclave has 179 complaints, 4 per year, and the 2019 has 42 complaints, 5 per year. The 2018 has more complaints per year than the 2017. The 2018 has more complaints per year than the 2019.
The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2018 Buick Enclave. How we count. Data as of .
Recalls (0)
No recalls on file with NHTSA for this model year.
Complaints by component (64 total)
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Complaints filed per year
Excerpts from recent NHTSA complaint filings
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"2018 Enclave w/106k on the odometer and the catalytic convertor cracked. $2200 repair."
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"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…"
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"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…"
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"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."
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"Catalic converter weld broke both sides now"
NHTSA crash ratings
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2018 Buick Enclave SUV AWD | 5 stars | 4 stars | 5 stars | 4 stars |
| 2018 Buick Enclave SUV FWD | 5 stars | 4 stars | 5 stars | 4 stars |
Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.
Fuel economy
| Trim | Engine | Transmission | Drive | City | Hwy | Combined | Annual fuel cost |
|---|---|---|---|---|---|---|---|
| Enclave all-wheel drive | 3.6L, 6-cyl | Automatic 9-speed | All-wheel drive | 17 | 25 | 20 MPG | $3250 |
| Enclave front-wheel drive | 3.6L, 6-cyl | Automatic 9-speed | Front-wheel drive | 18 | 26 | 21 MPG | $3100 |
Specs and fitment
Known issues for this generation
Recall 20V668000 covers certain 2019-2020 Buick Enclave vehicles (with Equinox, Traverse, Terrain, Acadia, Blazer, XT4, and other GM models; 194,105 units across the campaign) where start-stop transmission accumulator bolts may be missing. Dealers inspect the accumulator and replace it if bolts are missing.
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Frequently asked questions
Is the 2018 Buick Enclave reliable?
Owners have filed 64 complaints with NHTSA about the 2018 Buick Enclave over 9 years — 9 per year. That is the most complaints per year among the 13 Enclave years on this site. NHTSA has no recalls on file for this model year.
What are common problems with a 2018 Buick Enclave?
The complaints owners file most often name Service brakes (20 of 64), then Powertrain (15) and Engine (13). Those filings include 5 that report a crash and 1 that reports an injury.
Is the 2018 Buick Enclave more reliable than the years next to it?
The 2017 Enclave has 179 complaints, 4 per year, and the 2019 has 42 complaints, 5 per year. The 2018 has more complaints per year than the 2017. The 2018 has more complaints per year than the 2019.
Has the 2018 Buick Enclave been recalled?
NHTSA has no recalls on file for the 2018 Buick Enclave.
How many complaints have owners filed about the 2018 Buick Enclave?
Owners have filed 64 complaints about the 2018 Buick Enclave with NHTSA.
What mpg does a 2018 Buick Enclave get?
EPA-rated combined fuel economy for the 2018 Buick Enclave is 20.5 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.
What generation is the 2019 Buick Enclave?
Second generation (2018-on).
What oil does a Buick Enclave take?
US generation notes list 5W-30 full synthetic for the 3.6L V6 across both generations here.
What tire sizes does a Buick Enclave use?
First-gen pages list 255/65R18; second-gen trims also use 255/55R20 on upper levels.