AutoUtility currently tracks 81 official NHTSA owner defect complaints for the 2018 Chevrolet Suburban. Powertrain & Transmission issues are the most frequently reported category, appearing in 17 complaints (21% of submitted records). Among these NHTSA complaint records, 3 filings cite a crash, 2 report one or more injuries.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
17 owner complaints submitted to NHTSA ODI for this subsystem.
17 owner complaints submitted to NHTSA ODI for this subsystem.
16 owner complaints submitted to NHTSA ODI for this subsystem.
14 owner complaints submitted to NHTSA ODI for this subsystem.
Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis
4 complaint narratives describe this symptom.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"The contact owns a 2018 Chevrolet Suburban. The contact stated while the contact's husband was driving at an undisclosed speed, the accelerator pedal was depressed, however the vehicle failed to accelerate as intended. In addition, the contact's husband noticed an abnormal sound and the vehicle..."
"My husband was driving our 2018 Chevy Suburban when it suddenly stopped accelerating and he could no longer shift gears. Luckily, this happened while he was driving down a gravel road (approx 25-30mph). If he would have been driving at highway speeds, it is likely that he could have lost control of..."
"Odometer Fraud. The contact purchased a 2018 Chevrolet Suburban. The contact stated that while purchasing an aftermarket warranty coverage, the warranty company informed the contact that there was a mileage discrepancy based on the Carfax report. The vehicle was a dealer sale. At the time of..."
"Transmission problems 124,994 miles . It's the same defects as the 2019-2025 defects."
"The transmission just stopped working no warning just wouldn’t go into gear. Then I turned it off and back on and was able to limp home it’s slipping bad ."
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Chevrolet Suburban | 428 | 21 | 11 | View 2015 Problems → |
| 2016 Chevrolet Suburban | 219 | 9 | 6 | View 2016 Problems → |
| 2017 Chevrolet Suburban | 141 | 7 | 5 | View 2017 Problems → |
| 2018 Chevrolet Suburban Current Page | 81 | 3 | 4 | Current |
| 2019 Chevrolet Suburban | 77 | 2 | 3 | View 2019 Problems → |
| 2020 Chevrolet Suburban | 42 | 2 | 4 | View 2020 Problems → |
| 2021 Chevrolet Suburban | 186 | 6 | 12 | View 2021 Problems → |
| 2022 Chevrolet Suburban | 111 | 4 | 4 | View 2022 Problems → |
| 2023 Chevrolet Suburban | 134 | 1 | 4 | View 2023 Problems → |
| 2024 Chevrolet Suburban | 38 | 1 | 2 | View 2024 Problems → |
| 2025 Chevrolet Suburban | 27 | 0 | 1 | View 2025 Problems → |
| 2026 Chevrolet Suburban | 0 | 0 | 3 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 35 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Powertrain NHTSA category: POWER TRAIN | 13 | 1 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 8 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 8 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 7 | 0 | 0 | 0 | 0 |
| Seat Belts NHTSA category: SEAT BELTS | 5 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 4 | 2 | 0 | 4 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 3 | 0 | 0 | 0 | 0 |
| ELECTRONIC STABILITY CONTROL (ESC),SERVICE BRAKES | 2 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 2 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES, HYDRAULIC | 2 | 0 | 0 | 0 | 0 |
| STEERING,SERVICE BRAKES | 2 | 0 | 0 | 0 | 0 |
| Wheels & Hubs NHTSA category: WHEELS | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,WHEELS,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| Equipment & Accessories NHTSA category: EQUIPMENT | 1 | 0 | 0 | 0 | 0 |
| OTHER/I AM NOT SURE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| Steering NHTSA category: STEERING | 1 | 0 | 0 | 0 | 0 |
| STEERING,BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| STEERING,SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION,WHEELS | 1 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| Suspension NHTSA category: SUSPENSION | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,ENGINE | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,SERVICE BRAKES | 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 Chevrolet Suburban
In official NHTSA consumer records, the most frequently cited issue area for the 2018 Chevrolet Suburban is Powertrain & Transmission, appearing in 17 records (21% of submitted filings).
Secondary reported categories include Engine & Cooling (17) and Electrical System (16).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 81 consumer defect complaints and 4 safety recall campaigns for the 2018 Chevrolet Suburban.
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 Chevrolet Suburban, 3 filings cite a crash, 0 cite smoke or fire, and 2 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.