AutoUtility currently tracks 35 official NHTSA owner defect complaints for the 2020 GMC Yukon. Powertrain & Transmission issues are the most frequently reported category, appearing in 14 complaints (40% of submitted records). Zero crashes, fires, injury reports, or fatality reports are cited across these complaint records.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
14 owner complaints submitted to NHTSA ODI for this subsystem.
12 owner complaints submitted to NHTSA ODI for this subsystem.
4 owner complaints submitted to NHTSA ODI for this subsystem.
2 owner complaints submitted to NHTSA ODI for this subsystem.
Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis
3 complaint narratives describe this symptom.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"We just purchased our Yukon from a dealership in February (2/7/26) and it was diagnosed with premature failure of at least one AFM valve lifter as it is causing engine misfires, shaking and stalling on 7/30/26. We just hit 67,000 miles on the odometer so we are just beyond the warranty coverage...."
"The contact owns a 2020 GMC Yukon. The contact stated that while driving at various speeds, the vehicle jerked and the transmission malfunctioned, causing the wheels to lock up and the check engine warning light to illuminate. The vehicle was driven to a local dealer who diagnosed that the..."
"Complete transmission failure at 82,000 miles. Well maintained vehicle, not used for towing or heavy hauling. Required complete replacement. Traveling at highway speeds and-according to repair facility- valve failure caused transmission to overheat a stripped gears, causing complete failure...."
"Issue with the trailer brake system keeps coming up on my dash. I know a lot of other people have had the same issue keeps dinging will not stop causes me to get distracted while driving. Unable to use other features because of this distraction and safety issue. The safety issue needs to be fixed..."
"The contact owns a 2020 GMC Yukon. The contact stated that while depressing the accelerator pedal, there was an abnormal popping sound coming from the engine compartment, and the vehicle hesitated while accelerating. The cause of the failure was not yet determined. The manufacturer was notified of..."
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 GMC Yukon | 546 | 10 | 10 | View 2015 Problems → |
| 2016 GMC Yukon | 266 | 4 | 5 | View 2016 Problems → |
| 2017 GMC Yukon | 196 | 10 | 3 | View 2017 Problems → |
| 2018 GMC Yukon | 69 | 2 | 3 | View 2018 Problems → |
| 2019 GMC Yukon | 53 | 0 | 2 | View 2019 Problems → |
| 2020 GMC Yukon Current Page | 35 | 0 | 4 | Current |
| 2021 GMC Yukon | 305 | 9 | 13 | View 2021 Problems → |
| 2022 GMC Yukon | 168 | 1 | 5 | View 2022 Problems → |
| 2023 GMC Yukon | 217 | 1 | 4 | View 2023 Problems → |
| 2024 GMC Yukon | 155 | 0 | 3 | View 2024 Problems → |
| 2025 GMC Yukon | 50 | 0 | 2 | View 2025 Problems → |
| 2026 GMC Yukon | 0 | 0 | 3 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 15 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Powertrain NHTSA category: POWER TRAIN | 12 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 9 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 2 | 0 | 0 | 0 | 0 |
| Back Over Prevention / Camera NHTSA category: BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,WHEELS,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| ELECTRONIC STABILITY CONTROL (ESC) | 1 | 0 | 0 | 0 | 0 |
| Engine & Cooling NHTSA category: ENGINE AND ENGINE COOLING | 1 | 0 | 0 | 0 | 0 |
| Fuel System NHTSA category: FUEL SYSTEM, GASOLINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Seat Belts NHTSA category: SEAT BELTS | 1 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| Tires NHTSA category: TIRES | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2020 GMC Yukon
In official NHTSA consumer records, the most frequently cited issue area for the 2020 GMC Yukon is Powertrain & Transmission, appearing in 14 records (40% of submitted filings).
Secondary reported categories include Engine & Cooling (12) and Brakes & Traction Control (4).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 35 consumer defect complaints and 4 safety recall campaigns for the 2020 GMC Yukon.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Consumer complaint records on file with NHTSA for the 2020 GMC Yukon cite zero crashes, zero fires, and zero injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.