On XXX As I was driving after picking my kids up from school the vehicle started jerking and different lights came on in the dash.When I got home I told my husband and he called the dealership we bought it from and he was told for us to take them the truck so they can take a look at it. We are almost an hour away from the dealership.As we was driving in the highway about 40-45 mins into driving the truck started loosing power and a loud boom noise happened after the truck just cut off and my husband was able to safely pull over on the side of highway.When he opened the hood smoke was coming out and a weird smell started, he called [XXX] and fighter fighters checked it to disregard a fire.After we contacted the dealer again and they sent a tow truck to get the truck. They took the truck to the dealer but it was their closing time already by the time the tow truck was able to get to us. The truck is at the dealership Phillips Chevrolet at [XXX], at the moment we are still waiting. And now I have my [XXX] really scared of getting in vehicles and she’s scared of that truck because she says the truck almost caught on fire and she keeps saying she’s scared of us driving that truck again. That we are not safe anymore in the truck. And we as parent are concerned of her feelings and the way she doesn’t want to go in the truck again if it gets fixed. We are having a hard time trying to change her thoughts. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
2026 Chevrolet Suburban 1500 engine problems
11 complaints (58% of all complaints for this car). 1 crash reported.
- owner complaints
- 11
- of this car's complaints
- 58%
- crashes
- 1
- recalls
- 0
Which part fails
Owners did not name a specific part.
At what mileage
Complaints by mileage at the time of the problem.
Chevrolet Suburban 1500 engine problems in other years
Specific symptoms reported on the 2026 Chevrolet Suburban 1500 engine
Phrases found in the owners' own descriptions, so one complaint can mention several symptoms.
Related recalls
No recalls on record for this model year.
Related investigations
Loss of motive power due to engine failure post recall remedy
On January 16, 2026, the Office of Defects Investigation (ODI) opened Recall Query RQ26001. This investigation was opened to assess the remedy effectiveness of Recall 25V‑274. ODI has received complaints alleging engine failure in vehicles after the recall remedy had been completed, whether that remedy involved an oil viscosity change or a complete engine replacement. General Motors (GM) issued Recall 25V‑274 to address concerns of engine failure in the L87 engines produced between March 1, 2021 and May 31, 2024. GM cited the root cause as a supplier manufacturing and quality issue. GMâs recall remedy for Recall 25V‑274 consisted of two different repairs, either an oil viscosity change or an engine replacement, based on the results of the remedy inspection procedure. ODI continues to receive reports of engine failures after the completion of the recall remedy. To date, ODI has received 499 complaints alleging post-remedy engine failure in vehicles subject to Recall 25V‑274, 473 of which involved an oil viscosity change and 26 a complete engine replacement. Additionally, ODI has received 191 reports of L87 engine failures in engines produced after the production period cited in Recall 25V‑274. GM reported receiving 6,953 complaints of post-remedy engine failure. ODI is opening this Engineering Analysisto continue investigating complaints of post-remedy engine failure. ODI is expanding the scope of this Investigation to include engines produced after the production period cited in the recall. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to
EA26005
What 2026 Chevrolet Suburban 1500 owners say
Most recent owner complaints, unedited.
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.
While driving, suddenly began hearing loud knocking noise and lost most power. Was able to get vehicle off road, where it stopped, and had trouble starting again. Towed to dealer. Diagnosed issue as spun rod bearing.
The contact owns a 2026 Chevrolet Suburban. The contact stated that while driving at an undisclosed speed, an abnormal knocking sound was heard coming from the engine compartment, and the check engine warning light illuminated. The vehicle was driven to the contact's residence and parked. While reversing out of the driveway the following day, the engine seized, and the vehicle stalled. The vehicle was towed to a local dealer, where the cause of the failure was not yet determined. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 14,800.
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.
Car shut off in the middle of the road while driving and auto braked. Had to get a tow. Dealership said engine is bad now.
Today, 5/2/26 in Lewis Center, OH- My daughter and I were returning home from her Soccer game. The time was about 11am. We were in my brand new Chevy Z71 Suburban, with 4,100 miles. As we were slowing , approaching the roundabout, i noticed no power as i was preparing to enter the roundabout. I then see that the car powered off. It would not restart and i had no way to put into N. I had to call [XXX] to have the Sheriff direct traffic. I used Onstar, only to find out the tow was 216 min out. So the Sheriff called a tow and it was there in 30 min and towed to local Chevy dealership, thankfully before the closed for the weekend. I will find out Monday what the issue is- but it for sure seized up. So sad. I paid $100k for this truck. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
8,305 miles the engine failed. Had to have it towed to the dealership. New engine on order, but on backorder and have no idea when it will come in.
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. This created a dangerous roadside situation with traffic approaching from behind at approximately 50 MPH. I exited the vehicle and stood in the roadway directing traffic to prevent an accident while my wife attempted to restart the vehicle and called 911. Police arrived and a tow truck was dispatched. The tow truck driver attempted to jump start the vehicle, but it would not start. The vehicle had to be winched onto a flatbed tow truck.
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. I barely had enough time to try to move toward the shoulder, and I was unable to fully clear the roadway — the rear half of the vehicle remained partially in traffic. It was an extremely dangerous situation. What is especially alarming is that I was not on the highway at the time. Had this occurred while traveling 80–85 mph on SH-130 in Texas — which is a normal speed limit there — the outcome could have been catastrophic. A complete engine seizure at highway speeds could have caused a major accident involving multiple vehicles. Even more concerning, my Chevrolet app (connected through OnStar) still shows no issues or alerts with the vehicle. The attached pictures are from the My Chevrolet app on Sunday, 02/22/2026, around 11:13 AM. This is a brand-new vehicle, and I was informed yesterday that the dealership has requested a full engine replacement. I have no timeline for the repair. For a vehicle of this price point, a sudden engine seizure with zero warnings is deeply concerning from both a safety and reliability standpoint.
Questions about the 2026 Chevrolet Suburban 1500 engine
Does the 2026 Chevrolet Suburban 1500 have engine problems?
Owners have filed 11 complaints about the engine of the 2026 Chevrolet Suburban 1500, 58% of all its complaints, more than any other problem.
At what mileage do 2026 Chevrolet Suburban 1500 engine problems start?
Not enough complaints include the mileage to tell.
Was there a recall on the 2026 Chevrolet Suburban 1500 engine?
There is no recall for this problem on this model year.
What year does the Chevrolet Suburban 1500 have bad engine?
The Chevrolet Suburban 1500 model years with the most engine complaints are 2007 (25 complaints), 2025 (16 complaints) and 2002 (15 complaints).
Other 2026 Chevrolet Suburban 1500 problems
Body 2Electrical 2Transmission 2Acceleration 1Driver assistance 1Lights 1
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