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Model: GMC Sierra 1500 4WD Denali Ultimate
Engine: 3.0 I6 Duramax diesel
Power : 305HP
Torque: 624Nm
Body: Crew Cab Short Box
Transmission: automatic 10-speed DSC
Color: Sterling gray
The 2025 Sierra 1500 receives several updates and changes, such as a 305 horsepower engine, including new colors, the availability of new wheels, new standard features, and package-related changes. 2025 marks the third model year of the GMC Sierra 1500 fourth generation.

This all-new diesel engine features a range of cutting-edge technologies and advanced features. From all-new cylinders to an electronically variable intake manifold and finally a water-to-air intercooler, This is a breakthrough engine that is arguably the most unique in its segment, at least. In addition, the 3.0L Duramax has a low-pressure and high-pressure EGR system, an electronic throttle valve, a variable geometry turbocharger ball bearings and a common rail injection system with a capacity of 36,250 psi make it one of the cleanest and most powerful diesel engines (for its size) ever produced. This unique engine is not only used in the 2020 Chevrolet, but also in GMC, and that is its biggest calling card.
The most premium GMC Sierra 1500 Denali pickup truck provides a high level of technology with cutting-edge innovations, such as a premium infotainment system that seamlessly integrates with your paired smartphone.
Easily keep an eye on your vehicle and trailer with up to 15 different camera views available with HD Surround Vision, rearview mirror view and bed view camera.
