The 305 hp diesel motor will be provided as standard, whilst the 6.2-liter V8 will grow to be an selection
by Sebastien Bell
April 6, 2023 at 10:35
by Sebastien Bell
The most serious version of the Sierra 1500, the off-highway-able AT4X trim, will now be supplied with a gas-sipping 3.-liter Duramax diesel engine. The torquey unit will occur as standard on the 2024 product 12 months model of the truck.
The motor in concern is the second-generation 3.-liter Duramax, which in 2023 is only provided on decide on Sierra 1500 trim degrees. The updated, 2nd-generation diesel engine delivers far more energy and torque as a end result of a variety of subtle enhancements.
Thanks to new metal pistons with a revised combustion bowl, a retuned turbo compressor, new fuel injectors, and enhanced temperature regulate characteristics, the motor now will make 305 hp (227 kW/309 PS) and 495 lb-ft (671 Nm) of torque. That’s 10 and 7 p.c more, respectively, than the very first-generation engine could regulate.
Browse: 2022 GMC Sierra AT4X Delivers Glamping For Off-Highway Enthusiasts



“These refinements of the 3.0L Duramax Turbo-Diesel engine took an currently amazing engine and made it even far better for off-street applications,” mentioned John Barta, GM assistant chief engineer for diesel engines. “The remarkable minimal-end torque blended with the easy and tranquil ability of this diesel motor, make it great for prospects requiring on-street functionality for matters like towing, as nicely as off-road adventures like extensive-length overlanding.”
The 3.-liter Duramax will keep on to be designed at GM’s Flint Engine Operation in Michigan and will start off staying obtainable afterwards this summer. Despite the fact that the motor will be the typical selection for the 2024 GMC Sierra 1500 AT4X, the gasoline-powered 6.2-liter V8 motor (beforehand the model’s only motor), will go on to be made available as an optional excess.
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“The 3.0L Duramax Turbo-Diesel motor has extended been a beloved of Sierra light duty entrepreneurs,” claimed Will Mellon, advertising supervisor for the GMC Sierra. “Since the launch of the refined Duramax for the 2023 design calendar year, about 20{ca2182fc8fed51dc37b95061ee48b5056cde1176732b225548c54a0c0156d303} of all Sierra 1500s bought have appear with the engine and we hope its addition to the AT4X trim to just take mix even increased.”
The off-street-all set Sierra 1500 AT4X will continue on to be offered as regular with Multimatic DSSV dampers, front and rear e-locking differentials, and much more. Current pricing data for the 2024 product 12 months is not nonetheless readily available.
In other places in the lineup, the 2.7-liter inline-four engine will be renamed the TurboMax engine in 2024. It can make 310 hp (231 kW/314 PS) and 430 lb-ft (583 Nm) of torque and can tow up to 9,500 lbs (4,309 kg). It will be provided on the GMC Sierra 1500 Elevation, SLE, and Pro trims.



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