2020 Gmc Yukon Problems
Shopping for a used 2020 Gmc Yukon? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Based on 27 real NHTSA owner complaints, with Transmission / Drivetrain the most reported area.
Before you buy
This 2020 Gmc Yukon has 27 NHTSA complaints — top issue: Transmission / Drivetrain.
A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.
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2020 Gmc Yukon Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 8 2020 Gmc Yukon trim configurations. The median figure is shown; range reflects all available trims.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 8 trims analysed.
2020 Gmc Yukon Safety Ratings
NHTSA 5-Star Program2 variants tested — showing 2020 GMC Yukon SUV 4WDOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
21.9% rollover risk
Frontal Crash
Side Crash
Rollover
21.9% probability
Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2020 Gmc Yukon has 27 owner complaints, 0 crash-related complaints, and 3 recall campaigns on record. The most frequently reported component is Transmission / Drivetrain. NHTSA reliability signal: Good Record.
- Make
- Gmc
- Model
- Yukon
- Model year
- 2020
- NHTSA owner complaints
- 27
- Crash-related complaints
- 0
- Safety recall campaigns
- 3
- Top reported component
- Transmission / Drivetrain
- Reliability signal
- Good Record
- EPA MPG combined
- 18
- EPA MPG city / highway
- 15 / 22
- Fuel type
- Regular Gasoline
- NHTSA overall safety rating
- 4/5 stars
- NHTSA frontal crash rating
- 4/5 stars
- NHTSA side crash rating
- 5/5 stars
- NHTSA rollover rating
- 3/5 stars
- Electronic stability control
- Standard
Common problems
Most common 2020 Gmc Yukon problems
Top owner-reported complaint areas and where they often appear.
Transmission / Drivetrain
Engine Problems
Brake System
Complaint patterns center on Transmission / Drivetrain, Engine Problems, Brake System. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Buyer verdict
Should you buy a used 2020 Gmc Yukon?
The 2020 Gmc Yukon looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car.
Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.
Pre-purchase
What to check before buying a used 2020 Gmc Yukon
Inspection Focus
- Inspect transmission/drivetrain for any signs of issues or previous repairs.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine and transmission work.
- Have a mechanic inspect the vehicle before purchase.
Before You Close the Deal
- Inspect transmission/drivetrain for any signs of issues or previous repairs.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine and transmission work.
- Have a mechanic inspect the vehicle before purchase.
Check the exact car
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2020 Gmc Yukon, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
AI verdict
What the complaint data suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
Complaints for the 2020 GMC Yukon are concentrated in the transmission/drivetrain and engine, each with 10 reports. No crash-related complaints were filed, but the low confidence level suggests caution in interpretation.
- Transmission/drivetrain and engine each account for 10 out of 27 total complaints.
- Brake system complaints are relatively low at 2 reports.
- No crash-related complaints were recorded for the 2020 model year.
- Transmission / Drivetrain issues are the most frequently reported component.
- Engine Problems are equally prominent with 10 complaints.
- Brake System concerns appear less common but still present.
Full breakdown
All 2020 Gmc Yukon complaints by category
Every owner-reported complaint category filed with NHTSA for the 2020 Gmc Yukon. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Transmission / Drivetrain | 10 | — | — | — | |
| Engine Problems | 10 | — | — | — | |
| Brake System | 2 | — | — | — | |
| Uncategorized Issues | 2 | — | — | — | |
| Forward Collision Avoidance: AEB | 1 | — | — | — | |
| Fuel System | 1 | — | — | — | |
| Gasoline | 1 | — | — | — | |
| Electrical Faults | 1 | — | — | — | |
| Fuel/Propulsion System | 1 | — | — | — | |
| Tire Issues | 1 | — | — | — | |
| Back Over Prevention | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — | |
| Electronic Stability Control (Esc) | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
In their words
Real owner complaints
Read what owners actually reported to NHTSA for the 2020 Gmc Yukon. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
The 2020 Yukon started to have serious loss of speed and decelerating issue when the vehicle would slow down and down shift to a lower gear. The issue with this is that once it downshifted it woul not engage in a gear again and leave me stranded on the road. I had to turn off th…
TRANSMISSIONS ISSUES. Not transitioning/ shifting into gears smoothly or at all. When it does transition/shift it is rough and harsh. When my car transitions to a lower gear then it will not transition back up to a higher gear causing my vehicle to drop speed significantly tha…
I had an incident in my 2020 GMC Yukon, where the forward collision crash alert went off and there was total loss of brakes. The brake pedal went to the floor. After the crash alert ended, the brakes returned. This happened on the highway and could have turned into a disastrous e…
MISFIRE ON #6 CYLINDER. DIAGNOSIS REVEALED THE INTAKE VALVE IS NOT OPENING DUE TO COLLAPSED VALVE LIFTER. No message prior to engine light coming on and car shaking after driving back from the store (speed less than 45 MPH).
I purchased my 2020 Yukon Denali on July 8, 2024 from Classic Buick GMC in Painesville, Ohio. The check engine light started going on and off a few months after purchasing the vehicle. When I called a mechanic he stated that I should wait until the light is on and then bring i…
Transmission started slipping a little and then literally stopped working all with in an hour. And was doa in the parking lot.
The contact owns a 2020 GMC Yukon. The contact stated that while driving at an undisclosed speed, the check engine warning light was illuminated. The vehicle was taken to the residence, the contact exited the vehicle and discovered white smoke coming from the exhaust and started …
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 a…
total engine failure with 90,000 miles on the car.
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. mileage…
My vehicle went from driving perfectly to startling and not going pass 45 in a matter of two days. I was getting all maintenance done at dealer always on time had just service it. When all of a sudden it started making a jerking/ skipping feel as if I was accelerating too hard. …
While driving to Lake Placid, NY, I experienced sudden loss of propulsion as I was driving approximately 60 mph. I was able to brake and pull over to the shoulder. I was not able to restart the vehicle - engine was dead. We were flat bed towed to a garage in Lake Placid where it …
The contact owns a 2020 GMC Yukon. The contact stated that while driving at an undisclosed speed, the vehicle inadvertently lost motive power, prompting the contact to pull over to the shoulder of the roadway. The contact became aware that the vehicle continued to move forward wh…
The contact's wife owns a 2020 GMC Yukon. The contact stated the vehicle was taken to an independent mechanic for a tune up. The contact stated that upon picking up the vehicle and driving, the transmission was slipping in and out of gear. Additionally, the contact stated while a…
Hello, I’m calling about the GM transmission recall recently announced in March 2025 affecting 2020 Yukon vehicles. My Yukon experienced what I believe is the exact same issue described in the recall. Our vehicle lost forward gears and almost caused a crash. A certified mechanic…
Vehicle started jumping and switched into 4WD while reversing. There was no inclement weather or slipping to prompt this. Service 4WD warning had been showing intermittently for a week or two and service appointment had been scheduled. At service appointment, confirmed that 4WD s…
6L80 transmission complete failure while driving. Vehicle started shacking then check engine light came on .
The contact owns a 2020 GMC Yukon. The contact stated that while refueling the vehicle, the fuel filler neck was not allowing fuel to flow into the tank. There were no warning lights illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the fuel filler ne…
Shortly after the warranty expired my torque converter went out and damaged the transmission. After speaking with several transmission shops this is a known problem with this vehicle! The torque converter and transmission are poorly made, and no matter if you get all of your se…
2020 GMC Yukon transmission failed at 103.000 miles
Source: NHTSA Complaints Database. Real owner reports for the 2020 Gmc Yukon.
Safety recalls
2020 Gmc Yukon recalls
3 campaignsNHTSA recall campaigns for the 2020 Gmc Yukon. 3 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
TIRES
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING
Research more
Keep researching before you buy
Compare brands and categories, then check the exact car's history by VIN.
Questions
2020 Gmc Yukon buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2020 Gmc Yukon reliable?▾
Good Record. NHTSA currently shows 27 owner complaints, 0 crash-related complaints, and 3 recall campaigns for this model year. The 2020 Gmc Yukon looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2020 Gmc Yukon?▾
#1: Transmission / Drivetrain (10 complaints). #2: Engine Problems (10 complaints). #3: Brake System (2 complaints)
At what mileage do problems start on the 2020 Gmc Yukon?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2020 Gmc Yukon?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2020 Gmc Yukon, NHTSA complaints include 0 crash-related reports and 0 fire reports out of 27 total complaints. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2020 Gmc Yukon have any recalls?▾
Yes. 3 NHTSA recall campaigns affect the 2020 Gmc Yukon. A major recall area is TIRES. 3 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2020 Gmc Yukon?▾
The 2020 Gmc Yukon looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Transmission / Drivetrain during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Gmc Yukon reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2020 Gmc Yukon based on your ownership experience.
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Ratings are based on owner experience and are separate from NHTSA data shown above.
Before you buy
Check the exact vehicle history before you buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.