The 2017 GMC Sierra HD All Terrain X is now available with the new Duramax diesel engine

GMC has officially unveiled the 2017 GMC Sierra HD All Terrain X. This time, the model comes with the all-new Duramax diesel engine. We are talking about a 6.6 liter V8 turbo-diesel engine that can deliver 445 horsepower and 1.234 Nm peak of torque.

There is also a V8 6.0 liter petrol unit that is shared with the Sierra 2500HD crew cab 4WD. On the outside, the 2017 GMC Sierra HD All Terrain X features special 189 inch wheel wrapped in 75/65R18 Goodyear Duratrac MT tires, new body-color, some special exterior tweaks and All Terrain inserts.

The 2017 GMC Sierra HD All Terrain X is now available with the new Duramax diesel engine

Inside the cabin, The 2017 GMC Sierra HD All Terrain X has Black Onyx or Summer White upholstery. You can also chose the Z71 off-road suspension package, underbody shielding, heated steering wheel and Front & Rear Park Assist system.

“The new Sierra HD All Terrain X’s powerful attitude reflects a popular trend in very capable off-road trucks, executed with a range-topping level of refinement — a combination of attributes GMC has cultivated for years. And with the new, available Duramax 6.6L, this truck more than matches its bold good looks with true professional-grade capability”, said Duncan Aldred, VP of GMC sales & marketing.

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