NHTSA Complaint #11716711 — 2026 GMC SIERRA 1500

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11716711
Vehicle	2026 GMC SIERRA 1500
Component	ENGINE
Date of Incident	January 26, 2026
Date Filed	February 9, 2026
Mileage	6,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MA

Consumer Description

The contact owns a 2026 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle made an abnormal sound and failed to accelerate as needed. There was no warning light illuminated. The vehicle was taken to the dealer, who determined that the engine needed to be replaced. The vehicle was not repaired and remained with the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 6,000.

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