2020 GMC Yukon problems
Light NHTSA footprint — 34 owner complaints. Either a clean record or thin data; we'll show what's there.
The 2020 GMC Yukon has 34 NHTSA owner complaints on file (U.S. federal records, as of July 2026). The most-reported system is powertrain at 14 complaints, typically surfacing around 97,067 miles (~$2,500 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2017 Yukon | 195 | 0 |
| 2018 Yukon | 69 | 0 |
| 2019 Yukon | 51 | 0 |
| 2020 Yukon (this page) | 34 | 0 |
| 2021 Yukon | 295 | 0 |
| 2022 Yukon | 164 | 0 |
| 2023 Yukon | 211 | 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 8.4/10 — 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 2020 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
- powertrain — 14 owner reports · tends to show around 97,067 mi · ~$2,500 to fix
- engine — 9 owner reports · tends to show around 52,000 mi · ~$3,100 to fix
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: 8.4/10 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 2020 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 2 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
I purchased a new 2020 GMC Yukon in May of 2020. Between May 2020 and November 2025 the vehicle was routinely serviced on or before the due date recommend by the manufacturer. I had not experienced issues with the vehicle until November 2020 when the check engine light abruptly…
We purchased the vehicle used in April 2025 with 79,851 miles. All service records were documented via Carfax. Vehicle was in impeccable condition. We drove it for approx. 8,000 miles until July 10, 2025, when a loud knocking sound started coming from the engine - approx.…
The transmission is out. Prior to it going out, I experienced loss of power, gear slipping, shuttering and not being able to go among other things. This is very dangerous and can cause serious accidents to occur. This should not be happening on such an expensive and newer…
Ambient temp was 100 degrees for reference. Had been driving about 5 hours. Went to stop and had no power assist for brakes. This continued for at least 20 miles. Stopped and confirmed vac hose was connected. I tried to remove vac hose to check for vac at booster but was…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2020 GMC Yukon reliable?
Mostly yes. With a reliability score of 8.4 out of 10 based on 34 owner complaints filed with NHTSA, the 2020 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 2020 GMC Yukon?
On the NHTSA data, the 2020 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 8.4/10 — 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 2020 GMC Yukon?
Inspect the powertrain first — it's the most-reported issue on this model, with 14 owner complaints filed. Typical failure occurs around 97,067 miles. Average repair cost runs about $2,500 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 2020 GMC Yukon a good used car to buy?
It scores 8.4 out of 10 on our NHTSA-based read of 34 owner complaints. The main thing to watch is powertrain. Typical failure occurs around 97,067 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 2020 GMC Yukon?
Based on NHTSA records, the most-reported issue is powertrain, with 14 complaints filed. Typical failure occurs around 97,067 miles. Average repair cost runs about $2,500 at an independent shop.
What's the most expensive thing that goes wrong?
The powertrain is one of the costlier repair items. Average repair cost runs about $2,500 at an independent shop. Typical failure occurs around 97,067 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 2020 GMC Yukon?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 34 complaints on file and the costliest repair averaging $2,500, 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.