2020 GMC Sierra 1500 VIN Check, Recalls & Reliability

The 2020 GMC Sierra 1500 has good reliability. There are 11 recalls and 368 owner complaints on file for the 2020 GMC Sierra-1500. Severity signals include 10 crash-related complaints and 4 fire-related complaints. The most commonly reported problem areas are: Engine (108), Power Train (70), Electrical System (44).

Sierra 1500 reliability snapshot

63/100

Latest model-year reliability score

3.5/5

RepairPal rating (overall)

Data sourced from Auto Reliability Index, aggregating NHTSA recalls, owner complaints, and RepairPal repair-cost records.

Used-car research

Research the GMC Sierra 1500 before checking the VIN

Compare model years, recurring problems, safety campaigns and market value first. Then use the VIN to verify the history of the individual car.

Best year to buyReliability, price and listing depth combined Years to avoidThe weakest years and stronger alternatives Common problemsComplaint patterns across model years Recall historyNHTSA campaigns grouped by model year Resale valueObserved prices, mileage and depreciation

Most-reported 2020 GMC Sierra 1500 issues

Owner-reported problem categories from NHTSA complaint filings. Counts reflect complaints per category for the most-recent model year on file.

Engine108
Power Train70
Electrical System44
Steering33
Unknown Or Other21
Service Brakes19

Pre-purchase inspection checklist for the 2020 GMC Sierra 1500

Hands-on checks distilled from real NHTSA complaint patterns and recall histories. Bring this list to a test drive or mechanic inspection.

Inspect engine for knocking noises and oil consumption
Test transmission for rough or sudden gear shifts
Check for electrical system warnings or malfunctions
Verify if lifters and camshaft have been replaced
Ensure power steering is responsive and check for warning messages
Inspect service brakes for functionality and warning lights
Check for any signs of engine overheating
Verify if any recalls have been addressed

What owners reported

2020 GMC Sierra 1500 owner complaints in detail

Owners have reported 10 crashes, 4 fires and 13 injuries to NHTSA for the 2020 GMC Sierra 1500. These are unverified owner reports, not confirmed defect rates.

Owner complaints108

ENGINE

Owners report several recurring engine issues with the 2020 GMC Sierra 1500. Common problems include engine seizures and failures, often requiring full engine replacements, with symptoms such as knocking noises, vibrations, and loss of power. Many complaints mention lifter and camshaft damage, frequently occurring around 75,000 to 90,000 miles. Some owners describe sudden engine shutdowns without warning lights, posing potential safety risks, especially at highway speeds. These patterns suggest potential reliability concerns for prospective buyers considering this model.

Owner complaints70

POWER TRAIN

Owners of the 2020 GMC Sierra 1500 frequently report transmission issues, with common symptoms including rough or sudden gear shifts, shuddering, and complete transmission failure without warning. Complaints often mention problems occurring around 40,000 to 86,000 miles. Additionally, engine problems such as lifter and camshaft failures are noted, often linked to the Dynamic Fuel Management system. Safety implications are evident as multiple reports describe sudden transmission failures leading to loss of vehicle propulsion, posing risks of stalling on highways. These patterns suggest potential reliability concerns for prospective buyers considering this model.

Owner complaints44

ELECTRICAL SYSTEM

Owners report several issues with the 2020 GMC Sierra 1500's electrical system, notably involving wiring harness failures and problems with the rear window and tailgate. Complaints frequently mention wiring harnesses chafing or being improperly installed, leading to loss of power and vehicle shutdowns, often occurring around 30,000 to 80,000 miles. Symptoms include spontaneous braking, engine light activation, and in some cases, electrical fires. Safety implications are significant, with reports of a fire and an injury due to the tailgate releasing unexpectedly. Potential buyers should be aware of these issues, as they could affect vehicle reliability and safety.

Severity signals: 0 crash, 1 fire, 1 injury reports

Owner complaints33

STEERING

Owners of the 2020 GMC Sierra 1500 frequently report issues with power steering failure, often accompanied by dashboard messages such as "Service Power Steering" and "Service ESC." These failures typically occur both while driving and upon starting the vehicle, with some reports indicating occurrences at highway speeds or immediately after starting the engine. Complaints often mention that the power steering becomes heavy or unresponsive, with a few owners experiencing a complete loss of steering control. The problem seems to arise at various mileage points, ranging from as low as 250 miles to over 115,000 miles. Safety implications are significant, with reports of near accidents and one injury, highlighting the potential danger if the steering fails while the vehicle is in motion. Buyers should be aware of these issues, as they could impact driving safety and require attention from a dealership.

Severity signals: 0 crash, 0 fire, 1 injury reports

Owner complaints23

SERVICE BRAKES

Owners of the 2020 GMC Sierra 1500 frequently report issues with the service brakes, including complete brake failure and loss of brake pressure. Common symptoms include warning lights for the brake system and ABS, as well as messages limiting vehicle speed. These problems often occur at varying mileage, with some reports as low as 2,500 miles and others over 100,000 miles. Safety implications are significant, with reports of crashes, one involving a fire and injuries, and instances where vehicles lose braking capability, forcing drivers to take evasive action to avoid collisions. Prospective buyers should be aware of these recurring brake system issues and the potential safety risks.

Severity signals: 2 crash, 1 fire, 2 injury reports

Owner complaints11

SUSPENSION

Owners of the 2020 GMC Sierra 1500 frequently report issues related to the suspension, particularly involving the front upper control arm ball joints. Several complaints describe incidents where the front passenger side wheel separates or nearly separates from the vehicle due to ball joint failure, often while driving at low speeds or after going over bumps. These issues typically occur around 41,000 to 45,000 miles. Additionally, there are mentions of clunking noises and vehicle wobbling, with some owners experiencing a "death wobble" effect, which raises safety concerns about potential loss of control. Buyers should be aware of these suspension-related issues, especially concerning the front upper control arm ball joints, as they could lead to hazardous driving conditions.

Owner complaints10

ENGINE AND ENGINE COOLING

Owners report that the 2020 GMC Sierra 1500 often experiences engine-related issues, including abnormal sounds such as popping, crackling, and knocking. Complaints frequently mention warning lights illuminating, including the check engine light, and a loss of power or failure to accelerate beyond certain speeds. These issues typically emerge between 31,000 and 150,000 miles. Multiple owners describe engine misfires, fractured lifters, and low oil levels despite recent oil changes. While no crashes or fires are reported, the loss of power and engine failures could affect vehicle control, particularly at higher speeds.

Owner complaints8

FUEL/PROPULSION SYSTEM

Owners of the 2020 GMC Sierra 1500 frequently report issues with the fuel pump and its control module, with several complaints noting failures of the Fuel Pump Power Control Module (Part No. 13540028). Common symptoms include the vehicle failing to start, stalling while driving, and the engine running rough before losing power. These issues often manifest around 34,000 to 80,000 miles, with some owners noting backorders for replacement parts. One crash is reported due to these failures, highlighting a potential safety risk. Buyers should be aware of these patterns, particularly the possibility of sudden vehicle shutdowns and the associated risks of being stranded or involved in an incident.

Severity signals: 1 crash, 0 fire, 0 injury reports

Owner complaints6

AIR BAGS

Owners of the 2020 GMC Sierra 1500 frequently report issues with air bags failing to deploy during crashes, as indicated in five of the six complaints. Typical symptoms include non-deployment of air bags in frontal and side collisions, even when the vehicle sustains significant damage, and instances of smoke from the air bag area. Complaints mention these failures occurring at mileages ranging from approximately 10,000 to 64,000 miles. Safety implications are significant, with multiple crashes reported, including one involving a fire and two resulting in injuries. Additionally, one owner describes intermittent air bag warning lights without consistent diagnostic codes, complicating repair efforts.

Severity signals: 5 crash, 1 fire, 2 injury reports

Owner complaints3

VEHICLE SPEED CONTROL

Owners of the 2020 GMC Sierra 1500 report issues with the vehicle speed control, notably including unintended acceleration and unexpected braking. Multiple complaints describe the vehicle making sudden "panic stops" when using adaptive cruise control, even in clear conditions with no external triggers. Additionally, one report details a significant unintended acceleration incident that resulted in a crash and fire, with the vehicle accelerating uncontrollably despite full brake application. These issues are associated with potential electronic control malfunctions, particularly following repairs or in the presence of moisture. Safety implications are serious, involving crashes and injuries, suggesting potential risks for used car buyers to consider.

Severity signals: 1 crash, 1 fire, 7 injury reports

2020 Sierra 1500 recalls (11)

Every NHTSA safety recall logged against the 2020 Sierra 1500. A VIN check confirms whether any recall remains unrepaired on a specific vehicle.

POWER TRAINNHTSA 24V797000Oct 24, 2024
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.
Consequence: Rear wheel lock-up can increase the risk of a crash.
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 defective control valve. Owner notification letters were mailed December 12, 2024. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242454440.
TIRESNHTSA 21V985000Dec 16, 2021
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 properly under certain conditions.
Consequence: An ABS system that does not function properly can increase the risk of a crash.
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 manual insert clarifying which spare tire to use with the accessory road tires and with the 17" original tires. Owner notification letters were mailed February 7, 2022. Owners may contact GM customer service at 1-800-462-8782 or GMC customer service at 1-800-462-8782. GM's number for this recall is N212346510.
TIRESNHTSA 21V115000Feb 25, 2021
General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.
Consequence: Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.
Remedy
GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212329050.
SEAT BELTSNHTSA 20V792000Dec 17, 2020
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. The seat belt brackets may not be secured to the seat frame in the front-row center seating position.
Consequence: If a seat-belt bracket is not secured, the seat belt may not properly restrain an occupant in the front-row center seat position, increasing the risk of injury in a crash.
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. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202314670.
TIRESNHTSA 20V684000Nov 5, 2020
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.
Consequence: Overcured tires may experience a carcass break in the sidewall resulting in a sudden air loss or could develop a belt edge separation which could lead to partial or full tread/belt loss. Either condition increases the risk of a crash.
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. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202319030.
POWER TRAINNHTSA 20V650000Oct 22, 2020
General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 and 2020 Chevrolet Silverado 2500 trucks. One of the driveshaft joints may not have been properly welded, causing the driveshaft to separate while the vehicle is moving.
Consequence: If the driveshaft separates, there may be a loss of propulsion, increasing the risk of crash.
Remedy
GM will notify owners, and dealers will replace the driveshaft, free of charge. The recall is expected to begin December 2020. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N202314870.
AIR BAGSNHTSA 20V446000Jul 30, 2020
General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air bag deployment.
Consequence: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Remedy
GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is N202305380.
SERVICE BRAKES, HYDRAULICNHTSA 20V116000Feb 27, 2020
General Motors LLC (GM) is recalling certain 2020 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles. The bolts used to attach the front and/or rear brake calipers may have not been heat treated and may break under load.
Consequence: Broken caliper bolts can reduce brake performance or interfere with wheel rotation and increase the risk of a crash.
Remedy
GM will notify owners, and dealers will replace the brake caliper bolts, free of charge. The recall began March 23, 2020. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-866-522-9559. GM's number for this recall is N202294420.
ELECTRICAL SYSTEMNHTSA 19V888000Dec 12, 2019
General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. The battery positive (B+) cable rings may have been manufactured with excessive glue, potentially causing an intermittent electrical connection between the B+ cable and alternator.
Consequence: An intermittent electrical connection between the B+ battery cable and the alternator could cause the vehicle to stall, increasing the risk of a crash. The intermittent connection could also lead to electrical arcing, which could generate sufficient heat to damage surrounding material, increasing the risk of a fire.
Remedy
GM will notify owners, and dealers will inspect for the presence of glue or other contamination at the B+ cable attachment to the alternator and clean the connection and reattach the B+ cable connection, as necessary. If arcing has damaged the cable, nut, or alternator, the dealer will replace the damaged components. All services will be performed free of charge. GM issued owners an interim notification on February 4, 2020. GM issued second notice and the recall began March 9, 2019. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N192273510.
FUEL SYSTEM, GASOLINENHTSA 19V837000Nov 21, 2019
General Motors LLC (GM) is recalling certain 2020 Cadillac Escalade, Escalade ESV, Chevrolet Camaro, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The fuel pump may be missing a pressure regulator, allowing for over-pressurization of the fuel system.
Consequence: Over-pressurization can crack the fuel pump and cause leaks, increasing the risk of a fire in the presence of an ignition source.
Remedy
GM will notify owners, and dealers will replace the fuel pump, free of charge. The recall began December 18, 2019. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-888-988-7267. GM's number for this recall is N192283991.
SEAT BELTSNHTSA 19V814000Nov 14, 2019
General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500, and 2020 Silverado 2500, Silverado 3500, Sierra 2500, and Sierra 3500 vehicles equipped with carpet floor covering. When the front seat belt pretensioners deploy, hot gas may vent through an opening in the pretensioner bracket, possibly igniting the carpet.
Consequence: A vehicle fire could result if materials ignite inside the vehicle.
Remedy
GM will notify owners, and dealers will close off the opening in the pretensioner bracket, free of charge. The recall began December 13, 2019. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N192270600.

Used-market value

2020 GMC Sierra 1500 resale snapshot

68.3%estimated value retained after 5 years

720listings in the model-level benchmark

$36,481median asking price from 60 listings

Listing benchmarks establish a market range; trim, mileage, condition, title history and prior damage determine what one vehicle is worth.

Compare GMC Sierra 1500 value by year →Full GMC Sierra 1500 market analysis at CarResaleValue →

2020 GMC Sierra 1500 on the road

202,411 2020 GMC Sierra 1500 units were sold new in the US — a key signal for the size of today's used-market inventory.

How the 2020 GMC Sierra 1500 stacks up against rivals

The most-shopped alternatives in the same segment. Each link opens a side-by-side reliability and cost comparison.

Chevrolet Silverado

Reliability: 88/100·Rivalry score: 95

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Ford F-150

Reliability: 82/100·Rivalry score: 90

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Ram 1500

Reliability: 74/100·Rivalry score: 85

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Ford F-150 Lightning

Reliability: 66/100·Rivalry score: 85

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Reliability verdict for the 2020 GMC Sierra 1500

With a 67/100 reliability score against a 75/100 segment average, the 2020 GMC Sierra 1500 lands below the norm. The data points to a mixed record rather than a consistently strong one, suggesting higher buyer exposure to problems than most competitors in this class.

Complaints are not evenly spread. They cluster most heavily around the engine and powertrain, with electrical system issues also standing out. Steering and service brakes appear less prominent but still present, indicating that concerns extend beyond a single isolated system. Recall activity is elevated, reinforcing that this model year carried a meaningful amount of corrective action.

Overall, the numbers indicate moderate-to-elevated reliability risk relative to the segment.

What you get in a 2020 GMC Sierra 1500 report

Available title brand history

Odometer readings & rollback detection

Accident & damage records

Auction sales with photos

Open safety recalls

Theft & stolen vehicle check

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2020 GMC Sierra 1500 — Frequently asked questions

Is the 2020 GMC Sierra 1500 reliable?

How many recalls does the 2020 GMC Sierra 1500 have?

11 NHTSA safety recalls have been issued for the 2020 GMC Sierra 1500. A VIN check confirms whether any remain unrepaired on a specific vehicle.

What are the most common 2020 GMC Sierra 1500 problems?

The most-reported 2020 GMC Sierra 1500 problem areas are: Engine (108), Power Train (70), Electrical System (44).

Should I run a VIN check on a 2020 GMC Sierra 1500?

Yes. A VIN report verifies title brands, odometer history, accident records, and recall completion on a specific 2020 GMC Sierra 1500, complementing the model-year reliability data on this page.