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2021 GMC Sierra 1500

Research, photos, specs, and expertise
2021 GMC Sierra 1500

GMC Sierra 1500 highlights

Customer reviews

(not yet rated)

RepairPal reliability rating**

4 out of 5

Mileage (EPA estimate)

22 city, 21 highway, 24 combined

Pricing for current inventory

(no current inventory)

Price
Year
Mileage
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All GMC Sierra 1500 years

Ratings & reliability

Customer ratings

The 2021 GMC Sierra 1500 is not yet rated. Help future customers learn about a car you've owned and write a review.

4
Above Average
RepairPal gave the GMC Sierra 1500 an overall reliability rating of 4 out of 5 stars, which RepairPal describes as Above Average. This rating ranks GMC Sierra 1500 6th out of 27 among Fullsize Trucks.

RepairPal reliability rating**

  • Cost RepairPal reports that the average total annual cost for repairs and maintenance on a GMC Sierra 1500 is $595, compared to an average of $703 for Fullsize Trucks and $556 for all the vehicles RepairPal considered in its dataset.
  • Frequency According to RepairPal, GMC Sierra 1500 owners bring their vehicles into a repair shop for unscheduled repairs an average of 0.6 times per year, compared to an average of 2.4 times for Fullsize Trucks and 1.4 times for all the vehicle models RepairPal considered in its dataset.
  • Severity RepairPal reported that the probability of a repair being a severe or major issue is 16% for the GMC Sierra 1500, compared to an average of 19% for Fullsize Trucks and 12% for all the vehicles RepairPal considered in its dataset.

**RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2006-2020 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 09/01/2021. Learn more about RepairPal reliability ratings

Explore GMC Sierra 1500 details

(no trim) 2WD 2D Regular Cab

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