VEHICLE RESEARCH
2026 GMC Sierra 2500hd: Performance & Driving
Source-governed model-year information. Equipment can vary by trim and exact configuration.
Performance
published performance-related specifications for 2026 GMC Sierra 2500hd include AT4 4WD 10-speed automatic, AT4X 401 hp 464 lb-ft 4WD 10-speed automatic, Denali 401 hp 464 lb-ft 4WD 10-speed automatic, Denali Ultimate 470 hp 975 lb-ft 4WD 10-speed automatic, Pro 401 hp 464 lb-ft RWD 10-speed automatic, and SLE 401 hp 464 lb-ft 4WD 10-speed automatic. AutoUnite keeps output and hardware tied to the supported version and does not invent acceleration or handling claims when they are not governed.
The governed output figures to compare are AT4X ICE 4WD 10-speed automatic 401 hp 464 lb-ft, Denali ICE 4WD 10-speed automatic 401 hp 464 lb-ft, Denali Ultimate ICE 4WD 10-speed automatic 470 hp 975 lb-ft, Pro ICE RWD 10-speed automatic 401 hp 464 lb-ft, SLE ICE 4WD 10-speed automatic 401 hp 464 lb-ft, and SLT ICE 4WD 10-speed automatic 401 hp 464 lb-ft. Horsepower and torque stay attached to the documented 2026 GMC Sierra 2500hd version and do not establish unrecorded acceleration or handling claims.
Documented details
- AT4X ICE 4WD 10-speed automatic 401 hp 464 lb-ft
- Denali ICE 4WD 10-speed automatic 401 hp 464 lb-ft
- Denali Ultimate ICE 4WD 10-speed automatic 470 hp 975 lb-ft
- Pro ICE RWD 10-speed automatic 401 hp 464 lb-ft
- SLE ICE 4WD 10-speed automatic 401 hp 464 lb-ft
- SLT ICE 4WD 10-speed automatic 401 hp 464 lb-ft
Questions about Performance & Driving
What horsepower or torque figures are documented for the 2026 GMC Sierra 2500hd?
The documented engine output by version is AT4X: 401 hp, 464 lb-ft, Denali: 401 hp, 464 lb-ft, Denali Ultimate: 470 hp, 975 lb-ft, Pro: 401 hp, 464 lb-ft, and SLE: 401 hp, 464 lb-ft. These figures do not establish an acceleration time or a rating for other versions.
Vehicle specifications, pricing and equipment may vary by trim, configuration, market and time. Verify the exact vehicle before purchase.