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Used GMC buying guide


GMC
Sierra 1500
2025 GMC Sierra 1500 Denali Ultimate 001 make pages
GMC
Terrain
2025 GMC Terrain Elevation 001 make pages
GMC
Acadia
2025 GMC Acadia Elevation 001 make pages
GMC
Yukon
2021 GMC Yukon Denali
GMC
Canyon
2025 GMC Canyon AT4 001 make pages
GMC
Yukon XL 1500
No image available
GMC
Sierra 2500
2025 GMC Sierra 2500HD AT4 001 make pages
GMC
Sierra 1500 Limited
2022 GMC Sierra 1500 Limited Pro 001 make pages
GMC
Sierra 3500
2025 GMC Sierra 3500HD DRW Denali Ultimate 001 make pages
GMC
Acadia Limited
2017 GMC Acadia Limited Limited 001 make pages
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GMC reliability rating (by RepairPal)

RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2008-2022 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of August 2023. Learn more about RepairPal reliability ratings

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Above Average
RepairPal gave GMC an overall reliability rating of 3.5 out of 5 stars, which RepairPal describes as Above Average. This rating ranks GMC 25th out of 34 among all car brands. This rating is based on an average across all the vehicles RepairPal considered in its dataset.

Cost

RepairPal reports that the average total annual cost for repairs and maintenance on all GMC models is $683, compared to an average of $579 across all the models RepairPal considered in its dataset. This includes both scheduled maintenance and unscheduled repairs.

Frequency

According to RepairPal, GMC owners bring their vehicles into a repair shop for unscheduled repairs an average of 0.9 times per year, compared to an average of 1.1 times across all the models RepairPal considered in its dataset.

Severity

RepairPal reported that the probability of a repair being a severe or major issue is 19% across all GMC models, compared to an average of 13% for all the models RepairPal considered in its dataset.

GMC customer ratings

About GMC

Founded in 1902, GMC specializes in all-action trucks and luxury SUVs. GMC is a power-packed premium brand, offering all-terrain technology, all-electric powertrain options, and deluxe editions appealing to those seeking tough workday performance and high-octane off-duty adventures. 

Durability and practicality are at the heart of GMC’s lineup. The Sierra 1500 and Yukon offer impressive towing and hauling capabilities, as well as a list of amenities and plush material finishing. 

What CarMax customers like   

  • Ride and Handling 

  • Interior Space 

  • Fuel Economy 

What CarMax customers don’t like   

  • Fuel Economy 

  • Technology and Entertainment 

  • Cost to Maintain 

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GMC FAQs

This full-size truck has three class options to consider before you begin to identify desirable trim features. The Sierra 1500 is ideally suited to daily driving and light towing. Shop the Sierra 2500 for more powerful engine options, capable of heavy-duty work. The Sierra 3500 is the ultimate powerhouse, with a reinforced suspension and rugged frame capable of commercial towing and industrial tasks. 

GMC Sierra 1500
2023 GMC Canyon AT4

1. GMC Canyon

CarMax owner rating

Price range*
$17,998—$48,998
Estimated combined MPG
19 MPG
RepairPal reliability rating
4 out of 5

RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2008-2022 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of August 2023. Learn more about RepairPal reliability ratings

2019 GMC Terrain SLT

2. GMC Terrain

CarMax owner rating

Price range*
$11,998—$31,998
Estimated combined MPG
26 MPG
RepairPal reliability rating
4 out of 5

RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2008-2022 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of August 2023. Learn more about RepairPal reliability ratings

Pros

  • Classy interior environment
  • Composed highway handling
  • Available Bose® sound system

Cons

  • Cargo storage space trails behind rival small SUVs
  • Acceleration can be sluggish
2022 GMC Sierra 1500 AT4X

3. GMC Sierra 1500

CarMax owner rating

Price range*
$18,998—$77,998
Estimated combined MPG
15 MPG
RepairPal reliability rating
3.5 out of 5

RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2008-2022 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of August 2023. Learn more about RepairPal reliability ratings

Pros

  • Four powertrain options capable of towing and hauling
  • Controls and infotainment are easy to navigate
  • Passenger conveniences are plentiful

Cons

  • Full-size structure inhibits visibility
  • More ride feedback than rival models
2020 GMC Acadia AT4

4. GMC Acadia

CarMax owner rating

Price range*
$15,998—$40,998
Estimated combined MPG
21 MPG
RepairPal reliability rating
3.5 out of 5

RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2008-2022 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of August 2023. Learn more about RepairPal reliability ratings

2021 GMC Yukon Denali

5. GMC Yukon

CarMax owner rating

Price range*
$22,998—$79,998
Estimated combined MPG
16 MPG
RepairPal reliability rating
3 out of 5

RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2008-2022 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of August 2023. Learn more about RepairPal reliability ratings

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RepairPal reliability ratings

RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2008-2022 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of August 2023. Learn more about RepairPal reliability ratings

Unless otherwise noted, information related to these featured vehicles comes from third-party sources, including manufacturer information. We make every effort to provide accurate information, but please verify before purchasing. Product and company names may be trademarks or registered trademarks of third-party entities. Use of them does not imply any affiliation with or endorsement by these entities. We hope you found this information helpful. This content is intended to inform and is not meant to indicate that a particular vehicle is currently available or recommended for you. 

RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of 3/18/2025. Learn more at repairpal.com/reliability. 

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Various factors may impact towing capacity, including weight of passengers, cargo, and options/accessories.

Fuel economy figures are based on EPA estimates for when vehicle sold as new. Fuel economy may vary for reasons like driving conditions and vehicle history. Unless specified, figures are for vehicles equipped with an automatic transmission. See fueleconomy.gov.

Range figures are based on EPA estimates for when vehicle sold as new and assume a full battery charge. Range will vary based on things like battery age, vehicle condition and history, driving and charging habits, accessory use, and driving conditions. Battery capacity may decrease with time and use. See fueleconomy.gov for more info.

* Price excludes taxes, title, registration, and fees. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions.

We hope you found this information helpful. This content is intended to inform and is not meant to indicate that a particular vehicle is currently available or recommended for you.​

Statements of fuel economy or EV range are based on EPA and other third-party estimates for vehicles when new. Fuel economy and EV range will degrade with time and vary based on age, driving conditions, vehicle history, and other conditions. See fueleconomy.gov for more info.

Unless otherwise noted, information related to featured vehicles comes from third-party sources, including manufacturer information. Product and company names may be trademarks or registered trademarks of third-party entities. Use of them does not imply any affiliation with or endorsement by these entities.​ By clicking on any video links, you will be taken to a third-party site maintained by YouTube, Inc.

We make every effort to provide accurate information, but please verify before purchasing.