2018 GMC Yukon problems
The 2018 GMC Yukon has 69 NHTSA owner complaints and no active recalls. Here's where owners say it breaks.
The 2018 GMC Yukon has 69 NHTSA owner complaints on file (U.S. federal records, as of July 2026). The most-reported system is engine at 19 complaints, typically surfacing around 128,640 miles (~$3,100 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2015 Yukon | 528 | 0 |
| 2016 Yukon | 265 | 0 |
| 2017 Yukon | 195 | 0 |
| 2018 Yukon (this page) | 69 | 0 |
| 2019 Yukon | 51 | 0 |
| 2020 Yukon | 34 | 0 |
| 2021 Yukon | 295 | 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 GMC Yukon? 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
- engine — 19 owner reports · tends to show around 128,640 mi · ~$3,100 to fix
- powertrain — 16 owner reports · tends to show around 86,333 mi · ~$2,500 to fix
- suspension — 6 owner reports · tends to show around 56,334 mi · ~$900 to fix
- brakes — 4 owner reports · tends to show around 37,000 mi · ~$450 to fix
⚠ The one to take seriously: powertrain is flagged severe on this model , showing up around 86,333 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 GMC Yukon
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 6 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
The contact owns a 2018 GMC Yukon. The contact stated after the vehicle was serviced, while driving 30 MPH and depressing accelerator pedal, the vehicle failed to respond. The contact stated that the vehicle hesitated, and the contact shifted to a lower gear to drive to the…
The front shock absorbers on my 2018 yukon denali are leaking. The car is 2 years old with approximately 67k miles. GMC has the absorbers on back order as they are apparently being replaced frequently. I think the shock absorbers have design faults that assure they will need…
I was driving my vehicle and exiting the hw. The rear wheel of the driver side broke off and separated from the car which caused my car to hit the cement beerier on front and the side of the driver side of the vehicle. Then the car turned 180 degrees and hit the beerier on the…
Air conditioner condenser faulty and had to repaired. Premium Ride Shocks faulty and had to be repaired. Lifters and bent pushrod faulty and had to be repaired. Vehicle currently has approximately 70,000 miles. These are all known issues by GM and very expensive to fix and no…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2018 GMC Yukon reliable?
Mostly yes. With a reliability score of 8.0 out of 10 based on 69 owner complaints filed with NHTSA, the 2018 GMC Yukon 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 GMC Yukon?
On the NHTSA data, the 2018 GMC Yukon 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 GMC Yukon?
Inspect the engine first — it's the most-reported issue on this model, with 19 owner complaints filed. Typical failure occurs around 128,640 miles. Average repair cost runs about $3,100 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 GMC Yukon a good used car to buy?
It scores 8.0 out of 10 on our NHTSA-based read of 69 owner complaints. The main thing to watch is engine. Typical failure occurs around 128,640 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 GMC Yukon?
Based on NHTSA records, the most-reported issue is engine, with 19 complaints filed. Typical failure occurs around 128,640 miles. Average repair cost runs about $3,100 at an independent shop.
What's the most expensive thing that goes wrong?
The engine is one of the costlier repair items. Average repair cost runs about $3,100 at an independent shop. Typical failure occurs around 128,640 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my GMC Yukon 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 GMC Yukon?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 69 complaints on file and the costliest repair averaging $3,100, 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.