2026 GMC Sierra 1500
Safety Score
93
Safe
Recalls
0
Complaints
35
NCAP Stars
—
Recalls (0)
No recalls found for the 2026 GMC Sierra 1500.
Owner Complaints (showing up to 50)
| Date | Component | Crash | Injuries | Summary |
|---|---|---|---|---|
| 2026-04-05 | ENGINE | No | 0 | Complete engine failure at 1838 miles. Need complete engine replacement. Estimated time unknown for replacement parts. |
| 2026-04-03 | POWER TRAIN | No | 0 | The motor on my 2026 GMC Sierra stalled 2 weeks ago with a p0016(crankshaft position sensor issue). Was able to clear c… |
| 2026-04-02 | ENGINE | No | 0 | ENGINE LOCK UP WITH 5018 MILES ON, IT IS A THE 6.2 MOTOR ROD AND CRANK BAD |
| 2026-03-15 | SERVICE BRAKES | No | 0 | While driving at approximately 60 mph on an open road with no obstacles present and no braking input, the rear wheels s… |
| 2026-03-14 | ELECTRICAL SYSTEM | No | 0 | I had this truck as brand new for approximately 24 hours when it had a major failure. It had 450 miles on it at time of… |
| 2026-03-14 | ENGINE | No | 0 | I am the owner of a 2026 GMC Sierra 1500 Denali Ultimate equipped with the 6.2L V8 L87 engine (VIN: [XXX] ), purchased … |
| 2026-03-08 | ENGINE | No | 0 | Driving on the PA turnpike at speed with traffic and the engine lost power and started squealing. No lights came on, I … |
| 2026-03-02 | ENGINE | No | 0 | Driving approximately 30mph, the engine shut down. Vehicle shifted into neutral until stopped and shifted to park. Unab… |
| 2026-02-28 | ENGINE | No | 0 | MY 2026 GMC Sierra AT4 1500 6.2 L87 engine had a catastrophic failure with only 3347 miles. It stalled twice while driv… |
| 2026-02-26 | ENGINE | No | 0 | I stopped at a red light in the middle of a 50 mph intersection when the light turned green The engine completely shut … |
| 2026-02-23 | POWER TRAIN | No | 0 | My engine seized up on me on the highway. I was stranded and couldn’t start the vehicle and it was freezing outside. |
| 2026-02-23 | ENGINE | No | 0 | Engine Failure at 18,000. Knocking noise started immediately followed by vehicle going into low power mode. Dangerous… |
| 2026-02-20 | ENGINE | No | 0 | While driving on the highway my 2026 GMC Sierra 1500 Denali Ultimate the vehicle lost propulsion and the dashboard went… |
| 2026-02-20 | ENGINE | No | 0 | I was out of town and driving on the highway around 75 MPH, when the motor suddenly lost all power. I was driving in … |
| 2026-02-18 | ENGINE | No | 0 | Vehicle stalled in busy intersection in McKinney Texas , unable to start are shift into a neutral position on transmiss… |
| 2026-02-08 | POWER TRAIN | No | 0 | My 2026 GMC AT4 3.0L Duramax had a catastrophic engine failure on Sunday, February 8, 2026. It went into reduced accele… |
| 2026-02-07 | EQUIPMENT | No | 0 | The contact owns a 2026 GMC Sierra 1500. The contact stated that after purchasing the vehicle, there was no Owner’s Man… |
| 2026-02-05 | ENGINE | No | 0 | "Vehicle exhibits a severe RPM flutter and rhythmic harmonic vibration at idle. These symptoms are consistent with manu… |
| 2026-02-04 | ENGINE | No | 0 | "Vehicle is experiencing symptoms consistent with the 6.2L L87 engine bearing failure investigation (NHTSA Probe Januar… |
| 2026-02-01 | POWER TRAIN | No | 0 | I am submitting this complaint regarding a recurring transmission issue in my vehicle. The transmission consistently j… |
| 2026-01-27 | POWER TRAIN | No | 0 | Odd noise from bell housing area at 1200 miles that went with engine rpm. Took the truck in to the dealer and they said… |
| 2026-01-26 | ENGINE | No | 0 | The contact owns a 2026 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle mad… |
| 2026-01-22 | ENGINE | No | 0 | Total engine failure at highway speed with loss of propulsion . Catastrophic engine loss with 3,000 miles . GMC never f… |
| 2026-01-09 | FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL | No | 0 | GMC SUPER CRUISE MALFUNCTION NO WARNING BEFORE SUPERCRUISE SHUTS OFF PASSING A CAR ON FOUR LANE HIGHWAY (SUPER CRUISE E… |
| 2026-01-08 | POWER TRAIN | No | 0 | 26’ GMC Sierra 1500 AT4 3.0l Duramax experiencing Harsh shifting occurring sporadically while accelerating and decelera… |
| 2026-01-02 | ELECTRICAL SYSTEM | No | 0 | 2026 Sierra 1500 AT4 with 3.0L Duramax Diesel. Three major issues. 1. 2960 miles, thrust bearing failure caused low… |
| 2025-12-30 | ENGINE | No | 0 | I heard a loud metallic knock that was not consistent with normal engine noise. I noticed the oil pressure was on the … |
| 2025-11-11 | ENGINE | No | 0 | 3.0 Duramax Engine Failure - 2026 GMC Sierra 1500 Denali Ultimate at just 6,755 miles and only 77 days of ownership. … |
| 2025-11-10 | ENGINE | No | 0 | 2026 GMC Sierra Elevation X31 with 3.0 Duramax Diesel engine, 132-miles, thrust bearing 1.53-mm out of tolerance requir… |
| 2025-11-05 | ELECTRICAL SYSTEM | No | 0 | The contact owns a 2026 GMC Sierra 1500. The contact stated that upon starting the vehicle and shifting into reverse(R)… |
| 2025-10-13 | SERVICE BRAKES | No | 0 | I was out one day for lunch and my brakes stopped working on my truck. I had the truck towed after I limped home in it.… |
| 2025-10-04 | UNKNOWN OR OTHER | No | 0 | I saw the report regarding models of Chevrolet trucks not receiving owners manuals from factory. I purchased a 2026 GMC… |
| 2025-09-28 | ENGINE | No | 0 | I do not have an official communication from the dealer who is servicing my vehicle. However, they have had my vehicle… |
| 2025-09-20 | VISIBILITY/WIPER | No | 0 | Ac not working properly. Ac blows air to defrost vents foging front windshield and side windows causing bad visibility |
| 2025-08-01 | POWER TRAIN | No | 0 | My 2026 GMC 1500 is equipped with the 2.7L L3B & 8L90 Transmission. At approximately 1000 miles, I noticed that in 2nd … |