2026 GMC Sierra 2500 review
GMC Sierra 2500 highlights
Customer rating
(not yet rated)
Mileage (EPA estimate)
(data not available)
Pricing for current inventory
(no current inventory)
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All GMC Sierra 2500 years
Shop with your budget in mind
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Ratings & reliability
Customer ratings
The 2026 GMC Sierra 2500 is not yet rated. Help future customers learn about a car you've owned and write a review.
RepairPal gave the GMC Sierra 2500 an overall reliability rating of 3 out of 5 stars, which RepairPal describes as Above Average. This rating ranks GMC Sierra 2500 10th out of 19 among Fullsize Trucks.
RepairPal reports that the average total annual cost for repairs and maintenance on a GMC Sierra 2500 is $840, compared to an average of $818 for Fullsize Trucks and $591 for all the vehicles RepairPal considered in its dataset.
According to RepairPal, GMC Sierra 2500 owners bring their vehicles into a repair shop for unscheduled repairs an average of 0.7 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.
RepairPal reported that the probability of a repair being a severe or major issue is 22% for the GMC Sierra 2500, compared to an average of 22% for Fullsize Trucks and 14% for all the vehicles RepairPal considered in its dataset.
GMC Sierra 2500 features and specs
Curious how GMC Sierra 2500 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities
Pro 2WD 2D Regular Cab
Standard Features
- ABS Brakes
- Air Conditioning
- AM/FM Stereo
- Android Auto
- Apple CarPlay
- Automatic Transmission
- Auxiliary Audio Input
- Bluetooth Technology
- Cruise Control
- Overhead Airbags
- Power Locks
- Power Mirrors
- Power Windows
- Rear View Camera
- Side Airbags
- Tow Hitch
- Traction Control
- Turbo Diesel Engine
- Vinyl Seats
- Alloy Wheels
- Automated Cruise Control
- Bed Cover
- Bed Liner
- Cloth Seats
- Fifth Wheel Tow Hitch
- Gooseneck Tow Hitch
- Lane Departure Warning
- Parking Sensors
- Power Seat(s)
- Rear Defroster
- Running Boards
- Satellite Radio Ready
Drive Wheels
Rear Wheel Drive (2WD)
Engine size
6.6L
Horsepower
401
Torque (ft-lbs)
464
Engine type
Turbo Diesel
Fuel capacity
36
Wheelbase
142"
Overall length
236.3"
Width
81.75"
Height
79.94"
Leg room
F 44.53"
Head room
F 43.11"
Front tires
LT245/75R17E
Rear tires
LT245/75R17E
Seating capacity
3
Max towing capacity
1450/14500 lbs.
Transmission
Automatic
2026 GMC Sierra 2500 FAQ
The GMC Sierra 2500 received a rating of 3 out of 5 stars from RepairPal, which RepairPal describes as Above Average. This rating ranks the GMC Sierra 2500 as 9 out of 19 among Fullsize Truck
The 2026 GMC Sierra 2500 has a maximum towing capacity of between 14500 and 20000 pounds, when properly equipped. Various factors may impact towing capacity, including weight of passengers, cargo, and options/accessories.
Here is what's new for the 2026 GMC Sierra 2500:
- Alpine Sound System
- Smart Key
- Heated Mirrors
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.
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