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GMC this week announced several updates for the 2024 Sierra 1500 full-size pickup, among them the addition of General Motors’ Duramax 3.0-liter inline-6 turbodiesel as a standard powertrain in the AT4X off-roader. The previously standard 6.2-liter V-8 gas engine is now an available option.
The diesel engine was updated for the 2023 model year and produces 305 hp and 495 lb-ft of torque. The available V-8 is rated at 420 hp and 460 lb-ft. A 10-speed automatic is standard with both powertrains.
The 2024 model year also sees the feature-related Chevrolet Silverado 1500 diesel as an available option on the ZR2 off-roader for the first time.
Other changes to the 2024 Sierra 1500 range include a new wheel pattern, new colors (Downpour Metallic and Thunderstorm Grey), available active exhaust in the Denali, Denali Ultimate, AT4, AT4X, and SLT classes, and power side steps in the Denali. Value Denali Ultimate, AT4, and AT4X.
Duramax 3.0 liter turbodiesel
Another change that GMC announced was TurboMax branding for the base 2.7-liter turbo-4 powertrain. The powertrain is rated at 310 hp and 430 lb-ft, and with the right vehicle settings can tow up to 9,500 pounds.
The 2024 GMC Sierra 1500 lineup will be available this summer. Pricing information will be announced closer to the market launch.
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