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
What is new for the 2026 GMC Sierra 2500?
- Sierra 2500 trims have been upgraded with Alpine Sound System as standard equipment this year.
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Getting pre-qualified lets you shop with personalized monthly payments, and it doesn't impact your credit score.
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 2D Regular Cab 2WD
Standard Features
- Overhead Airbags
- ABS Brakes
- Rear View Camera
- Side Airbags
- Power Locks
- Vinyl Seats
- Power Windows
- Air Conditioning
- Cruise Control
- Traction Control
- Power Mirrors
- Tow Hitch
- Turbo Diesel Engine
- Automatic Transmission
- AM/FM Stereo
- Bluetooth Technology
- Auxiliary Audio Input
- Apple CarPlay
- Android Auto
- Automated Cruise Control
- Cloth Seats
- Rear Defroster
- Power Seat(s)
- Parking Sensors
- Lane Departure Warning
- Gooseneck Tow Hitch
- Running Boards
- Fifth Wheel Tow Hitch
- Bed Liner
- Bed Cover
- Alloy Wheels
- 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
141.55"
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 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.
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 10 out of 19 among Fullsize Truck
Here is what's new for the 2026 GMC Sierra 2500:
- Alpine Sound System
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