MSRP: $38,300
Use the table of contents to jump to a section
Table of Contents
Overview
The 2025 GMC Sierra 1500 full-size truck delivers all the capability and nearly infinite configuration options you’d expect from a truck, and represents the best of more than a century of American truck engineering. It shares its platform and mechanical parts with its Chevrolet Silverado 1500 twin, but is rendered in bolder styling and with more premium interior finishes. Four engines are available, from efficient turbo-fours and a turbo-diesel I6 to NA V8 power.
There are single, double, and crew cab configurations on offer with bed lengths ranging from 5.8 to 8.2 feet. The flagship Denali and Denali Ultimate trims crank up the luxury and compete with the Ram 1500 Limited and Tungsten trims, and though the Ram is still ahead on cabin opulence and ride refinement, the Sierra counters with impressive towing ability of up to 13,300 pounds with the Duramax diesel engine.
What’s New for 2025?
Because it was handed a substantial refresh for MY2022, the 2025 Sierra 1500 essentially carries over from 2024, with the only minor cosmetic tweak being some new 22-inch wheel designs. The Denali Ultimate also gets standard Super Cruise this year.
Exterior
GMC’s signature bold styling is on proud display and grabs the attention, suitably set off by styling details such as the C-shaped DRLs and LED headlights. Grille designs differ by trim, and the AT4 and AT4X trims are lifted by two inches and gain aggressive off-road styling and dedicated trail equipment. A class-exclusive carbon-composite bed that’s stronger and lighter than steel is available, and the available MultiPro tailgate offers six different configurations for added versatility when loading cargo.

GMC

GMC

GMC
Interior
The cabin is easy to use and has been designed with driver convenience in mind, with easy-to-reach controls and a 12.3-inch digital gauge cluster/13.4-inch touchscreen combo standard on most trims. The Denali Ultimate goes all the way with luxury, thanks to massaging 16-way power front seats, full leather interior trim, and open-pore wood finishes. The spacious Crew Cab also offers plenty of room for passengers in both rows, even on long trips, and in-cabin storage is comprehensive, with cubby storage sprinkled throughout the cabin.

GMC

GMC

GMC
Price Range and Best Value Trim
| Trim Level | Price |
| Base Trim: Pro | $38,300 |
| Top Trim: Denali Ultimate | $84,200 |
| Best Value: Elevation | $50,500 |
Key Specs
Powertrain Options
| Model | Engine | HP | Torque | Transmission | Drivetrain |
| TurboMax | 2.7L Turbo I4 | 310 hp | 430 lb-ft | 8-speed auto | RWD / 4WD |
| 5.3L V8 | 5.3L NA EcoTec3 V8 | 355 hp | 383 lb-ft | 10-speed auto | RWD / 4WD |
| 6.2L V8 | 6.2L NA EcoTec3 V8 | 420 hp | 460 lb-ft | 10-speed auto | RWD / 4WD |
| Duramax Diesel | 3.0L Turbo-Diesel I6 | 305 hp | 495 lb-ft | 10-speed auto | RWD / 4WD |
Fuel Economy (MPG)
| Model | City | Highway | Combined |
| 2.7L I4 Gas Turbo 2WD | 17-18 | 21 | 19 |
| 2.7L I4 Gas Turbo 4WD | 16-17 | 17-21 | 16-19 |
| 3.0L I6 Diesel 2WD | 23 | 29 | 26 |
| 3.0L I6 Diesel 4WD | 22 | 26 | 24 |
| 3.0L I6 Diesel 4WD AT4X | 19 | 20 | 19 |
| 5.3L V8 Gas NA 2WD | 16 | 20-21 | 17-18 |
| 5.3L V8 Gas NA 4WD | 15 | 18-19 | 16-17 |
| 6.2L V8 Gas NA 4WD | 14 | 16-17 | 15 |
Warranty
GMC provides competitive warranty coverage that includes one complimentary scheduled maintenance visit, though the powertrain warranty is notably generous.
| Coverage | Duration |
| Basic Warranty | 3 years / 36,000 miles |
| Powertrain Warranty | 5 years / 60,000 miles |
| Complimentary Maintenance | First visit only |
Pros and Cons
Pros:
- Impressive towing capacity of up to 13,300 lbs
- Nearly infinite configuration options
- Excellent multicamera trailering technology
- Available Super Cruise hands-free driving
Cons:
- Top trims are less luxurious than those of the Ram 1500
- No extreme off-road competitor to the Ford Raptor
- Ride quality is rougher than some rivals
- Base engine requires premium fuel
Verdict
The 2025 GMC Sierra 1500 offers a comprehensive range of trims, from the workhorse Pro to the ultra-luxurious Denali Ultimate, but all of them provide the professional-grade capability you expect from a full-size truck. Although it shares its basics with the blue-collar Chevy Silverado, GMC has done enough to differentiate the Sierra with distinctive styling, a more premium cabin, and the luxurious flagship trim.
The Elevation offers the best all-around value in the lineup, with a significant appearance upgrade over the Pro, and adding all the essential features, such as large dual digital displays, without coming close to Denali pricing. The Duramax diesel offers exemplary torque and fuel efficiency, and unlocks the maximum 13,300-pound towing capability of the Sierra. The Sierra 1500 is a very compelling choice in this market segment for truck buyers who want technology, capability, and American truck heritage.

GMC
Competitors
- Ford F-150
- Chevrolet Silverado 1500
- Ram 1500
- Toyota Tundra
About the author

Cobus F. Potgieter
Reviews and Features Editor
