2026 Chevrolet Suburban 1500 Engine Problems
- Complaints
- 9about this part
- Share
- 50%of 18 total for the year
- Median mileage
- 1,700miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 9 complaints about the engine of the 2026 Chevrolet Suburban 1500, 50% of the 18 complaints for this model year. Where a mileage was given, the median is 1,700 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“On February 21st at approximately 9:30 AM, I was driving my brand-new 2026 Chevy Suburban High Country when I began hearing an unusual noise from the engine. There were zero dashboard warnings — no check engine light, no alerts, nothing indicating a failure. Out of caution, I immediately headed to the dealership so they could inspect it. I was driving slowly and carefully when, without any warning whatsoever, the engine suddenly and completely seized. The vehicle locked up abruptly. …”
NHTSA complaint #11720068, filed 2026-02“While exiting the highway my vehicle suddenly lost power and could not move. I could not put the vehicle in neutral. The engine had completely seized. As a result, my car got hit by a Semi-truck.”
NHTSA complaint #11764097, filed 2026-09“While driving home from Costco with my entire family in the vehicle (4 children and my pregnant wife), I noticed the engine misfiring while traveling on Interstate 80 and mentioned to my wife that something felt off with the vehicle. After exiting I-80 onto Route 46 East at the Denville exit, the truck reached the first traffic light where the vehicle rumbled violently, shook, and completely shut off. The engine would not restart. Dashboard lights illuminated but the engine would not turn over, and the hazard lights would not activate. …”
NHTSA complaint #11724105, filed 2026-03“Car started making weird noises when being driven or accelerating on 2/14. Took it to the dealership on 2/16 first thing when they opened. After 5 hours, it was determined the engine had a catastrophic failure and needed to be replaced. This car has less than 6,000 miles and was purchased brand new.”
NHTSA complaint #11718363, filed 2026-02“The contact owns a 2026 Chevrolet Suburban. The contact stated that while driving approximately 45 MPH, there was a popping sound coming from the vehicle and the vehicle stalled. The vehicle failed to restart. The vehicle was towed to a dealer where it was diagnosed with engine failure. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 1,700.”
NHTSA complaint #11749935, filed 2026-07, 1,700 milesRelated service bulletins
- 11020254May 7, 2025This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 9 | 50% |
| 2025 | 14 | 44% |
| 2023 | 10 | 59% |
| 2011 | 2 | 3% |
| 2010 | 2 | 4% |
| 2009 | 6 | 11% |
| 2008 | 8 | 8% |
| 2007 | 12 | 6% |
| 2005 | 1 | 1% |
| 2004 | 3 | 2% |
| 2003 | 2 | 1% |
| 2002 | 5 | 4% |
| 2001 | 3 | 3% |
| 2000 | 1 | 1% |
| 1999 | 1 | 1% |
Other parts of the 2026 Chevrolet Suburban 1500
4 complaintsElectrical system
2 complaintsBody and structure
2 complaintsTransmission and drivetrain
2 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsLane departure
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2026 Chevrolet Suburban 1500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology