2026 Chevy Silverado 2500 HD Engine Options & Specs | Gas & Diesel Options
Take your jobsite and towing ambitions to the next level with the powerhouse performance and capability of the 2026 Chevy Silverado 2500 HD. A choice of two hardworking powertrain options, including a potent 6.6L gas V8 engine or the formidable 6.6L Duramax® turbo diesel V8 engine, gives this heavy-duty pickup truck the raw hauling and towing muscle you need to get the job done. Learn more about the key engine, towing, and payload specifications of the 2026 Chevy Silverado 2500 HD with this in-depth engines and towing guide prepared by the experts at W-K Chevrolet.
Browse through our inventory to find the 2026 Chevrolet Silverado 2500 HD for sale that’s ready for your toughest challenges. Schedule a test drive at our Chevy dealership in Sedalia, MO, to get behind the wheel of your preferred trim. We’re here to answer any questions you may have — give us a call at (660) 826-8320 or contact us online.
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2026 Chevy Silverado 2500 HD Engine Specs
The 2026 Chevy Silverado 2500 HD delivers two dynamic powertrain options, each engineered for real-world capability. Choose from a capable gas engine or a refined turbo-diesel configuration, each designed to bring confident performance to workday or weekend towing needs. Both are paired with an Allison® ten-speed automatic transmission and either rear-wheel drive (RWD) or four-wheel drive (4WD).
Explore the capability of both engines to see which meets your specific driving needs.
6.6L Gas V8
Bring commanding strength to a range of demanding tasks with the 6.6L gas V8 engine, producing 401 horsepower and 464 pound-feet of torque. This robust powertrain delivers the confident workhorse prowess needed for towing and other jobsite tasks.
6.6L Duramax® Turbo Diesel V8
For your more arduous workloads and long-haul hauling demands, the available 6.6L Duramax turbo diesel V8 engine goes the distance when it comes to exceptional capability. Generating 470 horsepower and a relentless 975 pound-feet of torque, it provides the muscle needed for the big jobs that require heavy-duty performance.
See key engine specifications in the accompanying table.
| Engine | 6.6L gas V8 | 6.6L Duramax turbo diesel V8 |
|---|---|---|
| Horsepower | 401 HP | 470 HP |
| Max. Horsepower RPM | 5,200 RPM | 2,800 RPM |
| Torque | 464 lb.-ft. | 975 lb.-ft. |
| Max. Torque RPM | 4,000 RPM | 1,600 RPM |
| Transmission | Allison ten-speed automatic | |
| Drivetrain | RWD / 4WD | |
2026 Chevy Silverado 2500 HD Towing Capacity
Whether you’re towing large equipment on the job or the family boat or trailer for a summer camping or lake adventure, the 2026 Chevy Silverado 2500 HD has the raw capability to take on your daily endeavors. When matched with the available 6.6L Duramax® turbo diesel V8 engine, this hardworking pickup can tow up to 22,050 pounds when properly configured with a Gooseneck/Fifth-Wheel Prep Package and the Max Trailering Package. Always consult your owner's manual for important towing procedures, weight limits, and safety information before towing.
View accompanying maximum towing configurations.
| Configuration | 6.6L gas V8 (Conventional) | 6.6L gas V8 (Fifth-Wheel) | 6.6L Duramax turbo diesel V8 (Conventional) | 6.6L Duramax turbo diesel V8 (Fifth-wheel) |
|---|---|---|---|---|
| Regular cab, long bed, (4x2/4x4) | 14,500 / 14,500 lbs. | 18,700 / 18,300 lbs. | 14,500 / 16,000 lbs. | 18,500 / 22,050 lbs. |
| Double cab, standard bed, (4x2/4x4) | 14,500 / 14,500 lbs. | 18,600 / 18,200 lbs. | 14,500 / 14,500 lbs. | 18,200 / 22,050 lbs. |
| Double cab, long bed, (4x2/4x4) | 16,000 / 16,000 lbs. | 18,400 / 18,000 lbs. | 17,900 / 17,600 lbs. | 18,000 / 17,700 lbs. |
| Crew cab, standard bed (4x2/4x4) | 16,000 / 16,000 lbs. | 18,500 / 18,380 lbs. | 20,000 / 20,000 lbs. | 21,510 / 21,600 lbs. |
| Crew cab, long bed (4x2/4x4) | 16,000 / 16,000 lbs. | 18,500 / 18,380 lbs. | 20,000 / 20,000 lbs. | 19,200 / 21,490 lbs. |
2026 Chevy Silverado 2500 HD Payload Capacity
For those substantial jobsite workloads, the 2026 Chevy Silverado 2500 HD delivers impressive hauling capability across its available powertrain lineup. When properly equipped, payload capacity reaches up to 3,926 pounds with the 6.6L gas V8 engine, while the available 6.6L Duramax turbo diesel V8 increases maximum payload ratings to 4,479 pounds. For complete payload specifications, loading guidelines, and safety precautions, review your owner's manual before carrying cargo.
View accompanying maximum payload configurations.
| Configuration | 6.6L gas V8 | 6.6L Duramax turbo diesel V8 |
|---|---|---|
| Regular cab, long bed, (4x2/4x4) | 3,926 / 3,829 lbs. | 4,476 / 4,479 lbs. |
| Double cab, standard bed, (4x2/4x4) | 3,659 / 3,612 lbs. | 4,309 / 4,262 lbs. |
| Double cab, long bed, (4x2/4x4) | 3,675 / 3,671 lbs. | 4,375 / 4,371 lbs. |
| Crew cab, standard bed (4x2/4x4) | 3,640 / 3,625 lbs. | 4,290 / 4,325 lbs. |
| Crew cab, long bed (4x2/4x4) | 3,690 / 3,732 lbs. | 4,390 / 4,432 lbs. |
2026 Chevy Silverado 2500 HD Engine & Trim Combinations
When your priorities center on everyday hauling, jobsite capability, or heavy-duty trailering, the Chevy Silverado 2500 HD delivers an engine configuration tailored to the power you require. Discover how both engine options align with each trim. The 6.6L gas V8 engine comes standard on all six trims, while the 6.6L Duramax turbo-diesel V8 engine is available on each model.
View engine availability by trim.
| 2026 Chevy Silverado 2500 HD Trims & Engine Availability |
6.6L gas V8 | 6.6L Duramax turbo diesel V8 |
|---|---|---|
| WT | Standard | Available |
| Custom | Standard | Available |
| LT | Standard | Available |
| LTZ | Standard | Available |
| ZR2 | Standard | Available |
| High Country | Standard | Available |
2026 Chevy Silverado 2500 HD Towing Technologies
The 2026 Chevy Silverado 2500 HD combines heavy-duty capability with smart technology and is equipped standard with a 2.5-inch trailer hitch, a four- and seven-pin wiring harness, and an integrated trailer brake controller. A range of eight available cameras provides 14 distinct views to make hitching, driving, and parking a trailer easier. Advanced towing technology features like trailer side blind zone alert, adaptive cruise control, and transparent trailer view provide added confidence throughout your long workdays.
Unique camera viewing angles include:
Trailer Hitch Views
- Hitch view
- Rear top-down view
- Bed view
Driving Views
- Transparent trailer view
- Front camera view
- Pic-in-pic side view
- Rear camera mirror
- Rear trailer view
- Inside trailer view
Parking Views
- HD surround view
- Rear camera view
- Rear side view
- Rear side view (turn signal activated)
- Front side view
- Front top-down view
Advanced tow capability features include:
- Adaptive cruise control
- Trailer side blind zone alert
- Gooseneck/fifth-wheel prep provisions
- Tow/haul driving mode
Learn More About the Chevy Silverado 2500 HD
To assist you in learning more about the 2026 Chevy Silverado 2500 HD, the experts at W-K Chevrolet have prepared a selection of informative tools to assist in your continuing research. Our comprehensive Chevy Silverado 2500 HD review offers an in-depth overview of its key features, including interior amenities, advanced technologies, and available color options. For a detailed look into the standard features of each Chevy Silverado 2500 HD model, refer to our trims guide.
Questions? Give us a call at (660) 826-8320 or message us online.
May not represent actual vehicle. (Options, colors, trim and body style may vary)
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.