The 2026 Chevy Silverado 2500 HD is a robust, heavy-duty pickup truck ready to handle the toughest loads. Whether you’re hauling materials to the job site or taking a boat out for weekend fun, the Silverado 2500 HD has two powerful engine options, one gas and one diesel, capable of handling your towing needs. Continue reading this 2026 Chevy Silverado 2500 HD engine and towing guide prepared by the team at Don Brown Chevrolet for a closer look at performance capabilities.
Check out the inventory of our Chevy dealership in St. Louis, MO, and consider getting behind the wheel by scheduling a test drive. Feel free to contact us online or over the phone at (314) 474-0270 if you have any questions or need any assistance.
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Massive power is at your command behind the wheel of the 2026 Chevy Silverado 2500 HD thanks to its two mighty engine options. The standard 6.6L gas V8 produces 401 horsepower and 464 pound-feet of torque. The optional 6.6L Duramax® turbo diesel V8 engine delivers 470 horsepower and an impressive 975 pound-feet of torque. Both engines are paired with an Allison® ten-speed automatic transmission and are available with either rear-wheel drive (RWD) or four-wheel drive (4WD).
View the following engine specifications.
| 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 | |
| Rear Axle Ratio | 3.73 | 3.42 |
Handle the toughest hauls with the exceptional towing and payload power of the 2026 Chevy Silverado 2500 HD. The 6.6L gas V8 tows up to a maximum of 16,000 pounds traditionally and 18,700 pounds with a fifth-wheel/gooseneck configuration. Expand towing potential with the 6.6L Duramax turbo diesel V8 engine, which hauls up to 20,000 pounds conventionally and 22,050 pounds when configured for fifth-wheel/gooseneck towing. The Chevy Silverado 2500 HD, when equipped with the 6.6L Duramax turbo diesel V8 engine, can handle up to 4,479 pounds of payload.
View the following towing and payload specifications.
| Configuration | Max. Gas Towing Capacity (Conventional/Gooseneck or Fifth-Wheel) | Max. Diesel Towing Capacity (Conventional/Gooseneck or Fifth-Wheel) | Max. Gas Payload Capacity | Max. Diesel Payload Capacity |
|---|---|---|---|---|
| Regular cab, long bed | 14,500 / 18,700 lbs. | 14,500 / 22,050 lbs. | 3,926 lbs. | 4,479 lbs. |
| Double cab, standard bed | 14,500 / 18,600 lbs. | 14,500 / 22,050 lbs. | 3,659 lbs. | 4,309 lbs. |
| Double cab, long bed | 16,000 / 18,400 lbs. | 17,900 / 18,000 lbs. | 3,675 lbs. | 4,375 lbs. |
| Crew cab, standard bed | 16,000 / 18,500 lbs. | 20,000 / 21,600 lbs. | 3,640 lbs. | 4,325 lbs. |
| Crew cab, long bed | 16,000 / 17,900 lbs. | 20,000 / 21,490 lbs. | 3,732 lbs. | 4,432 lbs. |
Each 2026 Chevy Silverado 2500 HD trim is available with either engine. While the 6.6L gas V8 engine is standard, the 6.6L Duramax turbo diesel V8 engine is optional on each model. The LT, LTZ, ZR2, and High Country are only available with 4WD.
Engine and trim availability includes:
| 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 |
If you’re eager to see what else the Chevy Silverado 2500 HD has to offer your hauling excursions, check out the other resources we have ready. Key features, exterior color options, and general specifications are found in our review, while our trims guide provides an in-depth look at each model’s standard trims. We also look at available configurations in our cab and bed guide.
When you’re ready to find your new Chevy Silverado 2500 HD for sale in St. Louis, MO, visit Don Brown Chevrolet. See what capable heavy-duty pickup trucks we have for you to choose from at our dealership, and get the towing power you need. If you have any questions, you’re more than welcome to contact us online or over the phone at (314) 474-0270.
