Total Complaints
1 filings
CHEVROLET SUBURBAN 1500 · model year
2021 CHEVROLET SUBURBAN 1500
1 NHTSA complaints. A VIN lookup is required to determine whether a specific vehicle has an unrepaired recall.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2021CHEVROLETSUBURBAN 1500 carries 1 consumer safety complaint in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
The most frequently selected component label in reports for the 2021 SUBURBAN 1500 is visibility:sun/moon roof assembly with 1 filings. Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause.
NHTSA currently has 57 investigation files overlapping the 2021 SUBURBAN 1500, and 2 remain open. Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
1
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| VISIBILITY:SUN/MOON ROOF ASSEMBLY | 1 |
Recent Complaints
20211229VISIBILITY:SUN/MOON ROOF ASSEMBLY
The contact owns a 2021 Chevrolet Suburban 1500. The contact stated that while driving at approximately 75 MPH, there was a loud explosion coming from the vehicle. The contact noticed that the sunroof had shattered. The contact mentioned that the sunroof was closed and covered and that glass fragments had not entered the cabin of the vehicle. The vehicle was taken to the dealer where the contact was informed that the fracture was caused by a rock striking the sunroof. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 24,000.
Mileage: 24,000
Compare 2021CHEVROLETSUBURBAN 1500 to Similar Vehicles
NHTSA Investigations 2 Open
EA25007Engineering AnalysisOpen
Loss of motive power due to engine failure
PE23022Preliminary EvaluationClosed
Loss of Motive Power due to the Battery Energy Control Module
PE20016Preliminary EvaluationClosed
Electric Vehicle Battery Fires
EA20002Engineering AnalysisClosed
Outboard Front Seat Belt Anchor Cable Failure
PE20011Preliminary EvaluationClosed
Fuel Line Leak
Frequently Asked Questions
How many complaints does the 2021 CHEVROLET SUBURBAN 1500 have?▼
The 2021 CHEVROLET SUBURBAN 1500 has 1 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2021 CHEVROLET SUBURBAN 1500?▼
The most-complained component for the 2021 CHEVROLET SUBURBAN 1500 is VISIBILITY:SUN/MOON ROOF ASSEMBLY with 1 complaints. Other frequently reported areas include various components.
Is the 2021 CHEVROLET SUBURBAN 1500 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data vintage: August 2026. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 2021 CHEVROLET SUBURBAN 1500; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.
Read our methodology - how this data is sourced, computed, and verified.