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2025 GMC Sierra 1500 review

Research, photos, specs, and expertise

GMC Sierra 1500 highlights

Customer rating

(not yet rated)

RepairPal reliability rating

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

Mileage (EPA estimate)

14 city, 16 highway, 15 combined

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Ratings & reliability

Customer ratings

The 2025 GMC Sierra 1500 is not yet rated. Help future customers learn about a car you've owned and write a review.

RepairPal reliability rating

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

3
1
2
Above Average

RepairPal gave the GMC Sierra 1500 an overall reliability rating of 3.5 out of 5 stars, which RepairPal describes as Above Average. This rating ranks GMC Sierra 1500 4th out of 19 among Fullsize Trucks.

Cost

According to RepairPal, cost is the average total annual cost for unscheduled repairs and maintenance across all model years of a vehicle. Higher average cost alone does not necessarily mean a vehicle is less reliable.

The related cost of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal ratings are provided by RepairPal and CarMax is not responsible for the accuracy. These ratings are based on RepairPal Reliability data for select August 2023 vehicles as of August 2023. Learn more about RepairPal reliability ratings

RepairPal reports that the average total annual cost for repairs and maintenance on a GMC Sierra 1500 is $637, compared to an average of $818 for Fullsize Trucks and $591 for all the vehicles RepairPal considered in its dataset.

Frequency

According to RepairPal, frequency is the average number of times the vehicle is brought into the shop for unscheduled repairs and maintenance in a single year. RepairPal reports that it calculates this metric by tracking millions of unique vehicles over multiple years to determine an average number of visits per year for each make and model; and that controls are included to omit small routine visits to shops (such as for oil changes).

The frequency of such visits for a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal ratings are provided by RepairPal and CarMax is not responsible for the accuracy. These ratings are based on RepairPal Reliability data for select August 2023 vehicles as of August 2023. Learn more about RepairPal reliability ratings

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 0.9 times for Fullsize Trucks and 1.3 times for all the vehicles RepairPal considered in its dataset.

Severity

According to RepairPal, severity measures the probability that a repair will be a major issue. RepairPal reports that an issue is considered severe if a repair costs three-times the average annual repair cost for all models. This threshold will be higher for vehicles that have higher labor rates and parts costs (such as a premium brand).

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

RepairPal reported that the probability of a repair being a severe or major issue is 20% for the GMC Sierra 1500, compared to an average of 22% for Fullsize Trucks and 14% for all the vehicles RepairPal considered in its dataset.

GMC Sierra 1500 features and specs

Curious how GMC Sierra 1500 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities

SLT 2WD 4D Crew Cab

Standard Features

  • ABS Brakes
  • Air Conditioning
  • Alloy Wheels
  • AM/FM Stereo
  • Android Auto
  • Apple CarPlay
  • Automatic Transmission
  • Auxiliary Audio Input
  • Bluetooth Technology
  • Cruise Control
  • Front Seat Heaters
  • Heated Steering Wheel
  • Lane Departure Warning
  • Leather Seats
  • Memory Seat(s)
  • Overhead Airbags
  • Power Locks
  • Power Mirrors
  • Power Seat(s)
  • Power Windows
  • Rear Defroster
  • Remote Start
  • Satellite Radio Ready
  • Side Airbags
  • Smart Key
  • Tow Hitch
  • Traction Control

Optional Features

Actual features may vary per car. Visit a car's detail page for a list of its actual features or contact us for more details.

  • 20 Inch Plus Wheels
  • A/C Seat(s)
  • Automated Cruise Control
  • Bed Cover
  • Bed Liner
  • Blind Spot Monitor
  • BOSE Sound System
  • Navigation System
  • Rear Seat Heaters
  • Running Boards
  • Sunroof(s)

Drive Wheels

Rear Wheel Drive (2WD)

Engine size

5.3L

Horsepower

355

Torque (ft-lbs)

383

Engine type

Gas

Fuel capacity

24

Wheelbase

147.44"

Overall length

231.92"

Width

81.24"

Height

75.49"

Leg room

F 44.53"/R 43.4"

Head room

F 43.03"/R 40.12"

Front tires

265/65R18SL

Rear tires

265/65R18SL

Seating capacity

6

Max towing capacity

940/13100 lbs.

Transmission

Automatic

2025 GMC Sierra 1500 FAQ

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