Safety Score
62
Average
Recalls
2
Complaints
50
NCAP Stars
—
Recalls (2)
| Date | NHTSA ID | Component | Units | Completion | |
|---|---|---|---|---|---|
| 2020-07-30 | 20V446000 |
AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR | 769 | — | Details |
| 2020-02-27 | 20V116000 |
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER | 20,352 | — | Details |
Owner Complaints (showing up to 50)
| Date | Component | Crash | Injuries | Summary |
|---|---|---|---|---|
| 2026-04-01 | ENGINE | No | 0 | When the truck was idling the dod/afm turned on and disabled a cylinder and now I’m just having codes pop up for cylind… |
| 2026-03-23 | ELECTRICAL SYSTEM | No | 0 | Infotainment screen is flashing different colors and doesn’t work anymore. |
| 2026-03-22 | ENGINE | No | 0 | The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle wen… |
| 2026-03-18 | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:UREA INJECTION SYSTEM (DEF) | No | 0 | The contact owns a 2020 GMC Sierra 1500. The contact stated that while starting the vehicle, the engine hesitated while… |
| 2026-03-15 | ENGINE | No | 0 | To the best of my knowledge… My 2020 GMC Sierra Denali with a 6.2L engine and 74,000 miles had a complete engine repla… |
| 2026-03-15 | ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER | No | 0 | Odometer Fraud. The contact attempted to purchase a 2020 GMC Sierra 1500. The contact discovered a mileage discrepancy.… |
| 2026-03-13 | ENGINE | No | 0 | Vehicle has 28,000 miles and auto shop states that the engine is blow, it's knocking and vibrating throughout the engin… |
| 2026-03-07 | ENGINE | No | 0 | The 10L80 transmission had a catastrophic failure just outside of the GM warranty. At under 70K miles the pump gears ca… |
| 2026-03-04 | SUSPENSION | No | 0 | My 2020 GMC Sierra Denali diesel with approximately 90,000 miles experienced two separate front suspension failures wit… |
| 2026-02-28 | ENGINE | No | 0 | February 28th 2026, I was driving on the highway with my children and suddenly without any prior warning my cars check … |
| 2026-02-27 | ENGINE | No | 0 | My engine started knocking horribly, I need to get a proper diagnosis but cannot afford to have a shop look at it. I ha… |
| 2026-02-27 | ENGINE | No | 0 | While driving, my vehicle experienced a sudden and complete engine failure without any prior warning. There were no war… |
| 2026-02-25 | STEERING | No | 0 | The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at various speeds, the steering wheel be… |
| 2026-02-20 | POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER | No | 0 | The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle une… |
| 2026-02-20 | ENGINE | No | 0 | The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, there was a lou… |
| 2026-02-19 | POWER TRAIN | No | 0 | Truck broke down with a rear-wheel lockup and had the transmission replaced in June 2025. In December 2025 and February… |
| 2026-02-18 | SERVICE BRAKES | No | 0 | The brakes suddenly activate and cause the vehicle to rapidly stop with no warning of any kind and without any braking … |
| 2026-02-17 | STEERING | Yes | 0 | Hi, was driving Vehicle GMC 1500 Denali, vehicle Lost power, all Lites lite up on Dashboard, Vehicle Just lost power an… |
| 2026-02-10 | ENGINE AND ENGINE COOLING | No | 0 | The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving approximately 40 MPH, the check engine w… |
| 2026-02-10 | SUSPENSION | No | 0 | I am writing to formally express my dissatisfaction regarding a significant safety and reliability issue with my 2020 G… |
| 2026-02-03 | ELECTRICAL SYSTEM | No | 0 | I was driving the truck on the freeway and the engine completely shut off with no warning. I pulled to the side of the … |
| 2026-02-02 | POWER TRAIN | No | 0 | Vehicle is shifting hard when switching gears. Typical with the recall and the valve body being the issue. Dealership i… |
| 2026-02-01 | ENGINE | No | 0 | The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed and hauling a bo… |
| 2026-01-30 | POWER TRAIN | No | 0 | On Friday, January 30, 2026 while driving our 2020 GMC Sierra 1500, we experienced sudden loss of power and the motor m… |
| 2026-01-28 | ENGINE | No | 0 | Engine failure as related to RQ26-001. engine misfires after following recommended maintenance schedule for 6.2L engin… |
| 2026-01-26 | ENGINE | No | 0 | Catastrophic engine failure at 62,445 miles. Dealer state excessive oil in cylinder 7, ring failure. Recommendations; r… |
| 2026-01-24 | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:UREA INJECTION SYSTEM (DEF) | No | 0 | The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at 65 MPH, the DEF tank failed. The vehi… |
| 2026-01-23 | ENGINE AND ENGINE COOLING | No | 0 | The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the engine made… |
| 2026-01-16 | ENGINE | No | 0 | The bearings in my engine failed while on the road! The dealer says I need a full engine replacement for $16,000. There… |
| 2026-01-14 | ENGINE | No | 0 | Sudden engine issue. Knocking, power loss, brake and steering warnings. Severely damaged engine. Mechanic says 2 cylind… |
| 2026-01-13 | ENGINE | No | 0 | My 2020 gmc sierra has had poor gas mileage problems i have taken it to gm a few times with them not able to dind anyt… |
| 2026-01-12 | UNKNOWN OR OTHER | No | 0 | Transmission 10l80 stuck solenoid truck has hesitation delayed shifting. And will not shift after certain gears. |
| 2026-01-11 | ENGINE | No | 0 | Driving to the lake on the highway towing a trailer, a loud tapping noise started followed by vibration. Engine seems t… |
| 2026-01-06 | POWER TRAIN | No | 0 | The contact owns a 2020 GMC Sierra 1500. The contact stated that while his wife was driving at an undisclosed speed, th… |
| 2026-01-05 | POWER TRAIN | No | 0 | I was driving my vehicle on the highway when the transmission suddenly gave out with no warning whatsoever. When I say … |
| 2026-01-03 | ENGINE | No | 0 | There is a click/ticking noise when vehicle is started. Noise gets louder and faster when accelerating. Have taken vehi… |
| 2026-01-02 | ENGINE | No | 0 | My engine is projecting a ticking sound. Oil consumption is extreme. |
| 2026-01-02 | ENGINE | No | 0 | Have not had my truck in over a month while it’s getting repaired had engine failure sure to faulty hydraulic lifters a… |
| 2026-01-01 | ENGINE | No | 0 | Bought the truck less than four months ago and as of yesterday it consumed a substantial quantity of oil and later refi… |
| 2025-12-23 | ENGINE | No | 0 | We were driving down the interstate at about 75 mph when a message came up that said to shift to neutral and push the s… |
| 2025-12-17 | ENGINE | No | 0 | I started to notice changes in performance around 75k miles. Seemed like performance was subpar compared to what was th… |
| 2025-12-14 | POWER TRAIN | No | 0 | While driving on the interstate at 70 mph, the transmission began to shudder. It continued the duration of the trip of … |
| 2025-12-12 | ELECTRICAL SYSTEM | No | 0 | The morning of December 12th, 2025 I used my vehicle to transport my daughter approximately 5 miles round trip from our… |
| 2025-12-08 | POWER TRAIN | No | 0 | My 2020 GMC Sierra 1500 experienced a premature transmission failure consistent with GM’s known 8-speed transmission de… |
| 2025-11-30 | VISIBILITY/WIPER | No | 0 | The frame of the back window is cracking allowing water to come in through the back glass. This is causing the headline… |
| 2025-11-24 | ENGINE | No | 0 | Engine fan has been constantly running, with engine temp reading around 230 consistently. After driving 5 miles on the … |
| 2025-11-19 | UNKNOWN OR OTHER | No | 0 | Safety Recall N242454440 Momentary Rear Wheel Lock-Up was issued for 2020 to 2022 GMC Sierra 1500 but mine is not inclu… |
| 2025-11-16 | ENGINE | No | 0 | My 2020 GMC Sierra 1500 Denali with the 6.2L L87 V8 just began experiencing a new rough idle with intermittent RPM dips… |
| 2025-11-14 | ENGINE | No | 0 | My 2020 GMC Sierra with a 5.3L engine and 78,272 miles on the vehicle, experienced damaged lifters which also resulted… |
| 2025-11-14 | ENGINE | No | 0 | This is the 3rd catastrophic engine failure since purchasing this new vehicle from the dealership, the vehicle is curre… |