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2021 GMC Sierra 1500 Review: Dependable Full Size Truck With Some Higher Ownership Costs As It Ages

Rating: 4.03
Based on 55 Owner Reviews ▶
Eugene S | March 31, 2025
The 2021 GMC Sierra 1500 is a full-size pickup truck known for its premium features and rugged capability. Part of the Sierra's fourth generation (2019-present), it's available in various cab and bed configurations. Key trims include the base Sierra, SLE, Elevation, SLT, AT4, and Denali. Pricing ranged from approximately $30,000 to $60,000+ when new, depending on configuration and trim. It stands out due to its available MultiPro tailgate and luxurious Denali trim.
The Good

The 2021 Sierra 1500 boasts strong performance with multiple engine options. Practically, it offers impressive towing capacity and a comfortable ride. Emotionally, the Denali trim provides a luxurious experience, while the AT4 offers off-road capability. Reliability is generally good, and the design is both functional and stylish. Overall a well-rounded truck.

The Bad

Some owners have reported issues with the 8-speed and 10-speed automatic transmissions, experiencing rough shifting. The interior, while improved in higher trims, can feel dated in lower trims compared to rivals. Fuel economy, especially with larger engines, can be a concern. Watch out for potential electronic glitches and ensure proper maintenance history.

2021 GMC Sierra 1500: Quick Overview

  • Engine Options:
    • 2.7L Turbocharged I4: 310 hp, 348 lb-ft of torque
    • 4.3L V6: 285 hp, 305 lb-ft of torque
    • 5.3L V8: 355 hp, 383 lb-ft of torque (with/without Active Fuel Management)
    • 6.2L V8: 420 hp, 460 lb-ft of torque
    • 3.0L Duramax Turbo-Diesel I6: 277 hp, 460 lb-ft of torque
  • Horsepower: Ranging from 277 to 420 hp, depending on the engine.
  • Fuel Economy (EPA Estimated):
    • 2.7L Turbo: Up to 20 mpg city / 23 mpg highway
    • 5.3L V8: Around 16 mpg city / 21 mpg highway (varies with AFM)
    • 3.0L Diesel: Up to 23 mpg city / 30 mpg highway
  • 0-60 Times:
    • 6.2L V8: Approximately 5.4 - 6.0 seconds
    • 3.0L Diesel: Around 7.0 - 7.5 seconds
  • Towing Capacity: Up to 11,800 lbs (depending on configuration and engine).
  • Trim-Level Features:
    • Sierra (Base): Standard safety features, basic infotainment.
    • SLE: Upgraded infotainment, available convenience packages.
    • Elevation: Black exterior accents, unique styling.
    • SLT: Leather seats, advanced safety features, premium sound.
    • AT4: Off-road suspension, skid plates, four-wheel drive.
    • Denali: Premium leather, adaptive ride control, exclusive styling, advanced technology.

2021 GMC Sierra 1500 Specifications

Vehicle Information
Year 2021
Make GMC
Model Sierra 1500
Trim -
Style Crew Cab 4WD
Type Truck
Category Standard Pickup Truck
Manufacturing Details
Made In Mexico
Manufacturing City SILAO
Dimensions
Doors 4-Door
Curb Weight -
Gross Vehicle Weight Rating 3628.74 kg
Overall Height 192.02 cm
Overall Length 583.18 cm
Overall Width 206.25 cm
Wheelbase Length 354.58 cm
Standard Seating 3
Engine & Performance
Engine 5.3-L V-8
Engine Size 5.3L
Engine Cylinders 8
Transmission 6-Speed Automatic
Transmission Type Automatic
Transmission Speeds 6-Speed
Drivetrain Four-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $31,295 USD
Invoice Price $30,137 USD
Delivery Charges $1,595 USD

Vehicle History Report

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What Problems Does the 2021 GMC Sierra 1500 Have?

Frequently reported problems for the 2021 GMC Sierra 1500 often revolve around the automatic transmissions, particularly the 8-speed and 10-speed variants. Some owners experience rough or delayed shifting, sometimes accompanied by shuddering. There have been Technical Service Bulletins (TSBs) issued to address these issues, often involving transmission fluid flushes or software updates. Electronic glitches, such as infotainment system malfunctions or sensor errors, have also been reported, although less frequently.

Recalls for the 2021 model have included issues related to potential fuel pump failures, which could lead to stalling. It's crucial to check the NHTSA website for any open recalls affecting a specific vehicle's VIN. Long-term reliability concerns primarily stem from the transmission issues. While some have been resolved with software updates, others require more extensive repairs. Rust can be a concern in regions with heavy salt usage during winter, so undercarriage inspections are recommended. Overall, while the 2021 Sierra 1500 is generally reliable, the transmission issues warrant careful consideration and inspection before purchase. Regular maintenance, especially transmission fluid changes, can help mitigate potential problems.

How long will the 2021 GMC Sierra 1500 last?

With proper maintenance, the 2021 GMC Sierra 1500 can realistically provide 200,000 miles or 10-15 years of service. Owners who adhere to recommended service schedules, including regular oil changes, transmission fluid flushes (especially important for the 8- and 10-speed transmissions), and timely repairs, can expect a long lifespan. Long-term durability can be affected by rust, particularly in colder climates. Weaknesses over time often relate to the aforementioned transmission issues and potential electronic component failures. Preventative maintenance is key to maximizing longevity.
Positive Owner Reviews
John
My truck has a great appearance, inside and out. It is a pleasure to drive; and rides and performs great. It is the best truck I've ever owned.
MortgageMan
This truck is amazing. Turning heads all over as we tour the area. Those riding with is also enjoy the comforts and safety features. Great Buy!
Ed H
Gmc has all the exterior features so the hidden spots don't get scratched or road chips. Plus the fender liners and chip guard under the paint in all the proper places. Quiet and incredible diesel mileage
Negative Owner Reviews
Oleidy
No recomiendo a nadie comprar GMC Denali antes de 70000 millas se daña el motor y antes de 80000 millas se daña las transmisión y el diferencial son pura belleza pero es un problema te cobran 14000 por el motor solo
AIRSTRIKE
LIFTERS HAD TO BE REPLACED AT 13000 DEALER WAS TERRIBLE WHEN IT CAME TO SEVERICE, I FEEL CHEATED AND DISRESPECTED. I AM SO SORRY I CHOSE T GMC.
Jerry
Paint chips , just looking at it 5000 miles , easy driving in Fl , and chips everywhere Paint chips very easy , terrible Paint problems

What Technology & Safety Features are Included?

The 2021 GMC Sierra 1500 features a user-friendly infotainment system with an 8-inch touchscreen (available on most trims) that supports Apple CarPlay and Android Auto. Higher trims offer a premium Bose sound system for enhanced audio. Driver-assistance features include standard features like a rearview camera, and available options such as forward collision alert, lane departure warning, blind-spot monitoring, rear cross-traffic alert, and automatic emergency braking. Adaptive cruise control is also available.

Optional tech features include a multi-color head-up display, a surround-view camera system, and the innovative MultiPro tailgate with six different configurations. For safety, the 2021 Sierra 1500 received good crash-test ratings from the IIHS (Insurance Institute for Highway Safety), though specific ratings vary depending on the cab configuration. The NHTSA (National Highway Traffic Safety Administration) also provides safety ratings, typically awarding four or five stars overall. These ratings take into account frontal, side, and rollover crash tests. The Sierra's safety features and solid crash-test performance contribute to its appeal as a safe and reliable family vehicle and work truck.

What Colors Options are Available?

Exterior Colors
Summit White
Onyx Black
Satin Steel Metallic
Pacific Blue Metallic
Carbon Black Metallic
Dark Sky Metallic
Cayenne Red Tintcoat
Gator Green Metallic
Hunter Metallic
Interior Colors
Jet Black
Dark Walnut/Slate
Forge/Jet Black

2021 GMC Sierra 1500 Prices and Market Value

When new, the 2021 GMC Sierra 1500 ranged from approximately $30,000 for the base model to over $60,000 for a fully-loaded Denali. Current used market prices typically range from $30,000 to $50,000, depending on trim, mileage, and condition. Depreciation varies, with higher trims like the Denali holding their value better. Factors affecting resale value include mileage, condition, trim level, and the presence of desirable options like four-wheel drive and the MultiPro tailgate. Overall, the Sierra 1500 depreciates at a rate typical for full-size trucks.

2021 GMC Sierra 1500 Cost of Ownership

The 2021 GMC Sierra 1500 is moderately costly to own. Insurance premiums are typical for a full-size truck. Fuel costs vary greatly depending on the engine, with the V8s being less economical than the diesel or the 2.7L turbo. Maintenance costs are average, but potential transmission repairs can be expensive. Regular maintenance, including oil changes and tire rotations, is crucial. Overall, factor in higher fuel costs, especially with larger engines, when budgeting for long-term ownership.

2021 GMC Sierra 1500 Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 53.37 liters
City Mileage 6.8 km/l
Highway Mileage 5.02 km/l

2021 GMC Sierra 1500 Safety Rating

NHTSA
Overall Rating
Overall Frontal Star Rating
Side Overall Star Rating
Overall Rollover Star Rating
Combined Front Seat Rating
Combined Rear Seat Rating Not Tested
Overall Frontal Star Rating
Frontal Barrier Star Ratings Not Tested
Overall Side Star Rating
Side Barrier Star Ratings
Side Pole Star Rating
Combined Side Barrier And Side Pole Star Ratings Not Tested
Rollover Resistance Star Rating

2021 GMC Sierra 1500 Recalls & Defects

Tires
Recall date 2020-11-05
Recall no. 20v684000
Source NHTSA
Summary 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.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
Seat Belts
Recall date 2020-12-23
Recall no. 20v811000
Source NHTSA
Summary 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. Incorrect Bolts MAY Have Been Used AT ONE or More Fastening Locations TO Secure THE Seat Belts TO THE Vehicle. IF AN Incorrect Bolt WAS Used, THE Seat Belt MAY NOT BE Properly Attached TO THE Vehicle.
Consequence IF A Seat Belt Assembly IS NOT Properly Attached TO THE Vehicle, THE Seat Belt MAY NOT Properly Restrain AN Occupant IN THE Event OF A Crash, Increasing THE Risk OF Injury.
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 1-800-458-8006, or Chevrolet Customer Service AT 1-800-222-1020. Gm's Number FOR This Recall IS N202322230.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
Seat Belts:critical Fasteners
Recall date 2020-12-23
Recall no. 20v811000
Source NHTSA
Summary 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. Incorrect Bolts MAY Have Been Used AT ONE or More Fastening Locations TO Secure THE Seat Belts TO THE Vehicle. IF AN Incorrect Bolt WAS Used, THE Seat Belt MAY NOT BE Properly Attached TO THE Vehicle.
Consequence IF A Seat Belt Assembly IS NOT Properly Attached TO THE Vehicle, THE Seat Belt MAY NOT Properly Restrain AN Occupant IN THE Event OF A Crash, Increasing THE Risk OF Injury.
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 1-800-458-8006, or Chevrolet Customer Service AT 1-800-222-1020. Gm's Number FOR This Recall IS N202322230.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
Seat Belts
Recall date 2020-12-17
Recall no. 20v792000
Source NHTSA
Summary 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.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
Seat Belts:critical Fasteners
Recall date 2020-12-17
Recall no. 20v792000
Source NHTSA
Summary 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.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
Tires:temporary/Emergency Spare Tire
Recall date 2021-12-16
Recall no. 21v985000
Source NHTSA
Summary 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.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.nhtsa.gov.
Power Train:automatic Transmission:control Module:software
Recall date 2024-10-24
Recall no. 24v797000
Source NHTSA
Summary 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.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153) or GO TO Www.nhtsa.gov.
Power Train:automatic Transmission:fluid/Lubricant:valves/Valve Body
Recall date 2024-10-24
Recall no. 24v797000
Source NHTSA
Summary 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.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153) or GO TO Www.nhtsa.gov.

2021 GMC Sierra 1500 Warranty

Basic
Original warranty 36 months / 36,000 miles
Estimated remaining Expired
Powertrain
Original warranty 60 months / 60,000 miles
Estimated remaining 12 months / 60,000 miles
Rust
Original warranty 72 months / 100,000 miles
Estimated remaining 24 months / 100,000 miles

2021 GMC Sierra 1500 Insurance

Insurance for a 2021 GMC Sierra 1500 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2021 GMC Sierra 1500 Compare to Other Truck?

The 2021 GMC Sierra 1500 competes directly with the Ford F-150, Ram 1500, Chevrolet Silverado 1500 (its corporate cousin), and Toyota Tundra. In terms of performance, the Sierra offers a range of powerful engines, similar to its rivals. The F-150 arguably has a slight edge with its hybrid powertrain option. Features-wise, the Sierra's MultiPro tailgate is a unique selling point, though the Ram 1500 boasts a more luxurious and refined interior. Reliability is a mixed bag; while the Tundra is known for its exceptional reliability, the Sierra's transmission issues can be a concern compared to the F-150 and Ram 1500.

Price-wise, the Sierra is generally competitive. If reliability is a top priority, the Toyota Tundra might be a better alternative. For a more luxurious experience, the Ram 1500 is a strong contender. The Ford F-150 offers a wider range of configurations and innovative features. Ultimately, the best choice depends on individual needs and preferences. Considering the Chevrolet Silverado 1500 might be worthwhile due to it being similar while perhaps offering a better value.

Ranks #308 Truck

1 2023 Toyota Tundra (5.0★)
2 2022 Honda Ridgeline (5.0★)
3 2023 Ford E-Transit Chassis (0.0★)
4 2020 Mercedes-Benz Sprinter Cab Chassis (0.0★)
5 2024 Chevrolet Silverado 3500HD (0.0★)
6 2023 Hyundai Santa Cruz (5.0★)
7 2023 Nissan Frontier (5.0★)
8 2024 GMC Sierra 2500HD (0.0★)
9 2023 Ram 4500 (0.0★)
10 2022 Jeep Gladiator (5.0★)
11 2012 Suzuki Equator (0.0★)
12 2009 Mitsubishi Raider (5.0★)
308 2021 GMC Sierra 1500 (5.0★)

Final Verdict: Is the 2021 GMC Sierra 1500 a Good Truck?

The 2021 GMC Sierra 1500 is ideal for buyers seeking a capable and stylish full-size truck with premium features. It's particularly appealing to those who value the MultiPro tailgate and the Denali trim's luxurious appointments. Whether it's worth buying depends on the specific vehicle's condition and maintenance history, especially concerning the transmission. A used Sierra 1500 is worth considering if it has been well-maintained and the transmission issues have been addressed. The 3.0L Duramax diesel offers a good balance of fuel economy and towing capacity. Carefully inspect any potential purchase and obtain a pre-purchase inspection from a trusted mechanic.

2021 GMC Sierra 1500 Owner Reviews

4.03
Consumer Rating, Based on 55 Consumer Reviews
Overall rating
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Oleidy on September 27, 2024

No recomiendo a nadie comprar GMC Denali antes de 70000

No recomiendo a nadie comprar GMC Denali antes de 70000 millas se daña el motor y antes de 80000 millas se daña las transmisión y el diferencial son pura belleza pero es un problema te cobran 14000 por el motor solo

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Arvonia McWilliams on May 8, 2024

This truck has a jerk when changing gears sometimes.

This truck has a jerk when changing gears sometimes. I enjoy the truck overall easy to handle and comfortable. Drive with ease sight is good when driving.

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Mike on February 23, 2024

GMC 1500 2018

Rims crack 8 speed automatic horrible ,motor oil pump ,on the 3 motor 5.3 fuel pump issues Tron body sensor issue oil pressure sensor seats bad o

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Ernie on October 17, 2023

Brake Pad Monitor

2021 GMC sierra 1500, 5.3, crew cab 4x4, 21000 miles. brakepad monitor lites up. dealership says needs brakes and rotors in back. one mo. on warranty. our rural roads dirty up the monitor. Needs new monitor. brakes look great to me. No noises. dealer says parts on order GM strike. Can't replace myself cause of computer...

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W.S. on August 27, 2023

I would buy it again…

Bought a 2021 (new in April 2021) GMC Sierra 1500 SLE with the 3.0 liter, 6 cylinder Duramax diesel engine. My truck is a 4 wheel drive so I get slightly less fuel (NOT gas) economy. I get between 22 and 24 MPG in the city and my best for highway was 33.7. I am pleased with the performance and tow capabilities. I like the look and styling. I got the SLE with the X31 package because I needed the bench seat since we are a family of 6. I would buy it again!

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Bob King on May 14, 2023

Fun but not safe

I paid a premium for my used 2021 because they were hard to find in my area. It was my first GMC. I loved the way the 6.2L engine performed, and still do. The problem is all of the “safety “ features. After two months of driving I had a list of thirteen different safety issues. Like the adaptive cruise control not slowing the truck as it approached other vehicles, automatic stop control slamming on the brakes on a turnpike with no vehicles around, etc. My dealer spent three days running down all thirteen issues. The result was twenty five pages of oddball reasons all the safety devices don’t work all the time. Nothing was actually found. I have been driving for three more months still dealing with the same issues. The reasoning used by GMC means you can’t trust the truck to help you out of unseen troubles. And that includes the automatic door locks not locking every time you park.

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Mark on April 13, 2023

Early brake pad failure with normal use

Brake pads needed to be replaced at just over 10,500 mi. Dealer said it was due to dirt roads and winter salt on the roads and that it was a common problem. First truck, btu neer had such problems on my Audi, Subaru, Volvos, Jeeps, and Toyotas. Brake pad replacement due to standard road conditions is not "Professional Grade" compared to other vehicles. Apparently brakes are a problem for GMC - look online at all of the recalls - and this is not covered under the warranty. Caveat Emptor!

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NoMoreGM4me on January 22, 2023

Good looking truck, and that's about it

Have the 3.0 with about 20k miles. First 6 months drove great, good MPG around 23 average. Now lucky to get 17, they have had to replace the NO2 cat converter, HVAC controls, door seals, updated radio software numerous times because the infotainment will sporadically shut off and go black. Bigger issues are the low gas mileage and it has slowly lost coolant since brand new. 2 years later and I have to fill coolant tank with about 20-30 ounces every couple months. The Def fluid usage is all over the place, sometimes use 2.5gal in less than 1,000 miles, other times get over a couple thousand. Have been to 3 dealerships, say nothing is wrong with it because no check engine codes. Now in contact with GM through BBB autoline, but that is a mess. Stay away from the 3.0 would be my recommendation, and maybe GM altogether. A lifelong GM customer and fan no more, this will be the last one I ever own.

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Kevin on January 18, 2023

2021 gmc sierra, nothing but headaches.

2021 sierra, truck only has 5800 miles on it. Been to the dealer twice for repairs. First time it took them 3 tries to fix it. It still wasn't fixed. Took it to another dealership. Took them a month to fix it. Drove it home then to work the next day. While returning home that day check engine light came on. Back to the dealership it went. Now it's a different problem. I have driven the truck maybe 200 miles in 4 months. The rest of the time it's been at a dealership either waiting on parts or for someone to have the time to fix it. I just sold it to the dealership where it is, waiting to be fixed. I'm done with GM vehicles.

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AnneMarie Wilson on January 5, 2023

Looking for Recall on Transmission

Im very concerned because the vehicle has barely 20,000 miles on it and it is having transmission issues. I have heard from other vehicle owners that they are having issues as well. I was looking for a recall but apparently GM hasn't done that yet!

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Eugene S

Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.