2018 Buick Enclave problems
The 2018 Buick Enclave has 64 NHTSA owner complaints and no active recalls. Here's where owners say it breaks.
The 2018 Buick Enclave has 64 NHTSA owner complaints on file (U.S. federal records, as of July 2026). The most-reported system is brakes at 15 complaints, typically surfacing around 27,253 miles (~$450 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2015 Enclave | 170 | 0 |
| 2016 Enclave | 140 | 0 |
| 2017 Enclave | 178 | 0 |
| 2018 Enclave (this page) | 64 | 0 |
| 2019 Enclave | 41 | 0 |
| 2020 Enclave | 54 | 0 |
| 2021 Enclave | 24 | 0 |
Solid reliability overall. Common issues are concentrated in a few systems.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- Reliability score 8.0/10 — above the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Buying a used 2018 Buick Enclave? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.
What to inspect on this specific car
- brakes — 15 owner reports · tends to show around 27,253 mi · ~$450 to fix
- powertrain — 15 owner reports · tends to show around 70,728 mi · ~$2,500 to fix
- electrical — 7 owner reports · tends to show around 36,800 mi · ~$850 to fix
- engine — 7 owner reports · tends to show around 36,913 mi · ~$3,100 to fix
⚠ The one to take seriously: brakes is flagged severe on this model , showing up around 27,253 mi. Inspect it closely on a test drive.
Recalls to confirm are done
Run the VIN from the listing — no active recalls on this model right now, but confirm none were opened after this car was built.
Verdict for buyers: 8.0/10 model. The priciest documented failure is engine (~$3,100) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.
See the full pre-purchase inspection checklist →Ask anything about your 2018 Buick Enclave
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
Top trouble spots 4 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
There are two issues: while backing up the car, especially down a hill, the brakes do not work/engage temporarily. Eventually the brakes engage, but you travel further than you intend. The "service brake system" light appears also. This is an intermittent problem. The…
The contact owns a 2018 Buick Enclave. The contact stated while stopped at a gas station; after refueling the vehicle, the vehicle was restarted but was unable to shift to drive(D). The contact attempted to shift to reverse(R) and the shift lever failed to respond. The contact…
My vehicle has begun all us sudden flickering headlights from low beams to high beam when driving and also it ay the airbag safety light turn on with the locks also doing a closing and opening while driving.
I am told by graff Chevrolet, okemos, mi, that at only 63,000 miles, my rear toe link adjustments are separating and needs to be replaced at a cost of $407 plus a $90 wheel alignment plus tax. In my research, I see that the gm cadillax srx has had the same issue. I am…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2018 Buick Enclave reliable?
Mostly yes. With a reliability score of 8.0 out of 10 based on 64 owner complaints filed with NHTSA, the 2018 Buick Enclave is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2018 Buick Enclave?
On the NHTSA data, the 2018 Buick Enclave does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.0/10 — above the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2018 Buick Enclave?
Inspect the brakes first — it's the most-reported issue on this model, with 15 owner complaints filed. Typical failure occurs around 27,253 miles. Average repair cost runs about $450 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2018 Buick Enclave a good used car to buy?
It scores 8.0 out of 10 on our NHTSA-based read of 64 owner complaints. The main thing to watch is brakes. Typical failure occurs around 27,253 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2018 Buick Enclave?
Based on NHTSA records, the most-reported issue is brakes, with 15 complaints filed. Typical failure occurs around 27,253 miles. Average repair cost runs about $450 at an independent shop.
What's the most expensive thing that goes wrong?
The brakes is one of the costlier repair items. Average repair cost runs about $450 at an independent shop. Typical failure occurs around 27,253 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Buick Enclave has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2018 Buick Enclave?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 64 complaints on file and the costliest repair averaging $450, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.