AutoUtility currently tracks 69 official NHTSA owner defect complaints for the 2018 GMC Yukon. Engine & Cooling issues are the most frequently reported category, appearing in 26 complaints (37.7% of submitted records). Among these NHTSA complaint records, 2 filings cite a crash, 1 reports one or more injuries.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
26 owner complaints submitted to NHTSA ODI for this subsystem.
18 owner complaints submitted to NHTSA ODI for this subsystem.
8 owner complaints submitted to NHTSA ODI for this subsystem.
5 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
"I started my vehicle and as I accelerated I started to hear a knocking noise. The vehicle and engine have been inspected by the dealership. The problem has also been confirmed by the dealership.There were no warning lights or messages before the knocking noise started."
"The 2018 Yukon has been at the dealership several timeswaiting for a valve body for the transmission. There are valve body recalls for other year GM vehicles with the same transmission, but not for the 2018 model even though it appears to be the same part number. I don’t understand how this 2018..."
"The contact owns a 2018 GMC Yukon. The contact stated that the vehicle was taken to a local dealer for service, and the contact was informed that the radiator was leaking and needed to be replaced. The contact stated that there were no signs of a leak prior to taking the vehicle for service. The..."
"I purchased my used GMC YUKON from a used car dealership 3/28/26. I signed the papers for the agreement while I was driving the vechicle home I lost power and it wouldn't go forward with gas applied. The check engine light came on, I pulled the suv over and it was towed. The code that popped up..."
"Please see attached letter"
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 Current Page | 69 | 2 | 3 | Current |
| 2019 GMC Yukon | 53 | 0 | 2 | View 2019 Problems → |
| 2020 GMC Yukon | 35 | 0 | 4 | View 2020 Problems → |
| 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 29 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Engine NHTSA category: ENGINE | 18 | 0 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 8 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 7 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE | 4 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 3 | 0 | 0 | 0 | 0 |
| Suspension NHTSA category: SUSPENSION | 3 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 2 | 1 | 0 | 2 | 0 |
| Steering NHTSA category: STEERING | 2 | 0 | 0 | 0 | 0 |
| Visibility & Wipers NHTSA category: VISIBILITY/WIPER | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| ELECTRONIC STABILITY CONTROL (ESC),SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| Engine & Cooling NHTSA category: ENGINE AND ENGINE COOLING | 1 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING | 1 | 0 | 0 | 0 | 0 |
| FORWARD COLLISION AVOIDANCE,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,AIR BAGS,STRUCTURE | 1 | 1 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION,ENGINE | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION,WHEELS | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,ENGINE | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,POWER TRAIN,STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,POWER TRAIN,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| Tires NHTSA category: TIRES | 1 | 0 | 0 | 0 | 0 |
| Vehicle Speed Control NHTSA category: VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| Visibility / Glass NHTSA category: VISIBILITY | 1 | 0 | 0 | 0 | 0 |
| Wheels & Hubs NHTSA category: WHEELS | 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 2018 GMC Yukon
In official NHTSA consumer records, the most frequently cited issue area for the 2018 GMC Yukon is Engine & Cooling, appearing in 26 records (37.7% of submitted filings).
Secondary reported categories include Powertrain & Transmission (18) and Suspension (8).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 69 consumer defect complaints and 3 safety recall campaigns for the 2018 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.
Among consumer complaint records on file with NHTSA for the 2018 GMC Yukon, 2 filings cite a crash, 0 cite smoke or fire, and 1 report one or more 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.