Most common 2021 Chevrolet Silverado 1500 problems
Share of the 847 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Chevrolet Silverado 1500 complaints by model year
Best Silverado 1500 years: 2012, 2013. Years to avoid: 2019, 2021, 2014, 2022, 2024. Compare all years →
2021 Chevrolet Silverado 1500 recalls (8)
Power train › Automatic transmission › Control module › Software
General Motors, LLC is recalling certain 2020 Chevrolet Silverado 2500, 3500, GMC Sierra 2500, 3500, and 2020-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles that may have been repaired incorrectly under recall 24V797. The transmission control valve may fail and cause the rear wheels to lock up.
Remedy: Dealers will inspect the vehicles and update the transmission control software, free of charge. Owner notification letters were mailed March 6, 2026.
Engine and engine cooling › Engine › Hard parts internal/mechanical
General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6.2L V8 gas engine.
Remedy: Dealers will inspect the engine, and as necessary, repair or replace the engine. For vehicles that pass inspection, dealers will add higher viscosity oil, install 6 oil fill cap, replace the oil filter, and update the…
Power train › Automatic transmission › Fluid/lubricant › Valves/valve body
General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.
Remedy: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a…
Tires › Temporary/emergency spare tire
General Motors (GM) is recalling certain 2019-2021 GMC Sierra 1500 and Silverado 1500 vehicles equipped with certain accessory road tires and a 17" spare tire. The 17" spare tire provided with the vehicle is not compatible for use with the accessory wheels, which can cause the anti-lock brake system (ABS) to not function…
Remedy: Dealers will provide a new 17" spare tire and wheel assembly that is compatible with the accessory wheels, free of charge. Dealers will also apply a new spare tire information label, and provide owners with an owner's…
Air bags › Frontal
General Motors, LLC. (GM) is recalling certain 2021 Chevrolet Silverado 1500 vehicles. The front driver's side air bag module may be missing one or more metal tabs that secure the plastic air bag cover to the housing.
Remedy: Dealers will inspect the driver frontal air bag, and replace it if necessary, free of charge. Owner notification letters are expected to be mailed August 16, 2021.
Seat belts › Critical fasteners
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles.
Remedy: GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at…
Show 2 more recalls
Seat belts › Critical fasteners
General Motors, LLC (GM) is recalling certain 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, 2021 Chevrolet Suburban and Tahoe and GMC Yukon XL and 2020-2021 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles.
Remedy: GM will notify owners, and dealers will inspect left-side and right-side front-row center seat-belt bracket attachments and reassemble it correctly as necessary, free of charge. The recall began January 26, 2021.
Tires
General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, GMC Acadia and Chevrolet Traverse vehicles and 2020-2021 Chevrolet Silverado 1500, GMC Sierra 1500 vehicles. The vehicles may have been manufactured with Continental tires that were overcured.
Remedy: GM will notify owners, and dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental, free of charge. The recall began December 17, 2020.
NHTSA defect investigations
Federal safety investigators have looked into 5 possible defects involving the 2021 Chevrolet Silverado 1500:
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.
Loss of motive power due to engine failure
On January 16, 2025, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE25001 after receiving complaints and field reports concerning engine failures in MY2019-2024 GM's full-size truck and SUV T1XX platform equipped with the L87 6.2L V8 engine.
Air Bag Malfunction
On April 9, 2021, the Office of Defects Investigations (ODI) opened PE21-010 to investigate instances of air bag malfunction indicator light (MIL) illumination and potential for frontal air bag non-deployment in several vehicles manufactured by General Motors (GM).
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.
Loss of motive power due to engine failure
The Office of Defects Investigation (ODI) has received 1,157 reports of engine bearing failure failures in the L87 6.2L engine produced by General Motors (GM). Of the 1,157 reports received, 173 are outside of the scope of recall 25V-274.
What 2021 Chevrolet Silverado 1500 owners say
Engine & cooling all 442 →
The contact owned a 2021 Chevrolet Silverado 1500. The contact stated that approximately 35 minutes after parking and turning the vehicle off he was notified that the vehicle had caught on fire. The fire department was called to the scene and extinguished the flames. Upon inspection, it was determined that the fire originated in the engine compartment. A police and fire report was taken at the scene and the vehicle was towed away. During the incident, the vehicle was destroyed. The manufacturer and local dealer were notified of the incident. The failure mileage was 12,000.
The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while attempting to start the vehicle, the engine failed to crank. The contact originally suspected a battery failure, as the vehicle had recently been involved in an accident that left the passenger-side mirror damaged with exposed wires. While driving at 70 MPH, a semi-truck sideswiped the passenger-side of the vehicle, causing a dent on the front door and a fractured side-view mirror. The semi-truck driver did not stop, and the contact's son drove the vehicle to the nearest exit. No air bags deployed, no warning lights illuminated, and no injuries were reported. A police report was filed. The vehicle was initially towed to a collision center, where it was determined that the battery was not the cause of the starting failure. …
Transmission & drivetrain all 242 →
The contact owns a 2021 Chevrolet Silverado 1500. The contact stated while driving 55 MPH and passing another vehicle, the rear wheels inadvertently locked-up momentarily, causing the vehicle to momentarily shudder and to downshift to second gear while the RMPS revved significantly. There was no warning light illuminated. The contact was able to continue driving. The contact stated that the failure had been recurring while driving. The vehicle was taken to the dealer several times. The dealer replaced the knock sensor; however, the failure persisted. The vehicle was taken back to the dealer, where the failure recurred while the vehicle was being test-driven; however, the dealer was unable to diagnose the vehicle. The vehicle was not diagnosed or repaired. …
The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving off an off-ramp at approximately 40-60 MPH and depressing the brake pedal, the vehicle suddenly lost power and turned off. The contact restarted the vehicle to continue driving. The failure had occurred twice. The contact stated that while driving at various speeds and depressing the brake pedal, the brakes grabbed, causing the vehicle to lunge forward, decelerate, and then lunge forward again, before coming to a complete stop. The contact shifted to park(P) and then to drive(D) and continued driving. The check engine warning light was illuminated. The vehicle was taken to the dealer four times before receiving notification of NHTSA Campaign Number: 24V797000 (Power Train). The dealer was unable to determine the cause of the failure. …
Electrical system all 113 →
The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving approximately 60 MPH a burning rubber odor and a smoke haze was present inside the cabin of the vehicle. After stopping to investigate under the hood flames were present at the passenger side fire wall of the engine compartment. Moments later the cabin of the vehicle was in flames which quickly spread and the entire vehicle became engulfed in flames. The fire department was called to the scene to extinguish the flames. The vehicle was destroyed and towed away. A police report and fire report were taken. The cause of failure was not determined. The manufacturer was not notified of the failure. The local dealer was contacted. The failure mileage was 90,000.
Car Fire - Started at the rear of the cabin between the cabin rear window and the truck bed The fire engulfed directly around and inside the fuel tank. The car is available for inspection as far as im aware at the tow / salvage yard The safety of myself and any passengers were greatly put at risk. The fire engulfed the inside cabin within seconds, and caused a total loss on the car. The problem has not been identified elsewhere. However the almost exact scenario has occurred in the manufacturers other 2021 model vehicles on the Tahoe and Yukon, with recalls on file for both for incorrect seal around the fuel tank, causing fuel tank fires. The car manufacturer does not want to help at all, they are willing to deal with insurance company and that is it, who will just pay out the value of the car. The police and fire crew local to the incident have ran reports on the fire. …
2021 Chevrolet Silverado 1500 engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.0L 6-cyl turbo diesel | 10-speed automatic | RWD | 23 / 33 / 27 |
| 3.0L 6-cyl turbo diesel | 10-speed automatic | 4WD | 22 / 26 / 24 |
| 2.7L 4-cyl turbo | 8-speed automatic | RWD | 20 / 23 / 21 |
| 2.7L 4-cyl turbo | 8-speed automatic | 4WD | 19 / 22 / 20 |
| 5.3L 8-cyl | 8-speed automatic | RWD | 17 / 23 / 19 |
| 5.3L 8-cyl | 10-speed automatic | 4WD | 16 / 22 / 19 |
| 6.2L 8-cyl | 10-speed automatic | 4WD | 16 / 21 / 18 |
| 5.3L 8-cyl | 8-speed automatic | 4WD | 16 / 22 / 18 |
| 5.3L 8-cyl | 6-speed automatic | RWD | 15 / 21 / 17 |
| 5.3L 8-cyl | 6-speed automatic | 4WD | 15 / 20 / 17 |
| 4.3L 6-cyl | 6-speed automatic | 4WD | 15 / 20 / 17 |
| 4.3L 6-cyl | 6-speed automatic | RWD | 15 / 19 / 17 |
EPA ratings. Class: Full-size pickup.
Frequently asked questions
Is the 2021 Chevrolet Silverado 1500 a good car?
Based on 847 owner complaints filed with NHTSA, the 2021 Silverado 1500 rates avoid: 5.0× as many complaints as a typical year of the Silverado 1500 at the same age. It is one of the Silverado 1500 years we suggest avoiding. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2021 Chevrolet Silverado 1500?
The engine & cooling — 442 complaints, 52% of all complaints for this model year, most often about engine › hard parts internal/mechanical. Next are the transmission & drivetrain (242) and electrical system (113).
How many recalls does the 2021 Chevrolet Silverado 1500 have?
There are 8 recalls for the 2021 Chevrolet Silverado 1500, the most recent from February 12, 2026 (software). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Chevrolet Silverado 1500?
The best years by complaints, compared at the same age, are 2012 and 2013. Years to avoid or approach with caution: 2019, 2021, 2014, 2022 and 2024. See the full Chevrolet Silverado 1500 years comparison.
At what mileage do 2021 Chevrolet Silverado 1500 problems happen?
The median mileage reported in complaints is about 56,000 miles; 46% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.