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the 2020 GMC Sierra 1500 Duramax, as equipped in the AT4 off-road special. Naturally positioned above the GMC Canyon's 2.8L Duramax I-4 and the Sierra HD's 6.6L Duramax V-8, the 3.0L Duramax I-6 ...

GMC has dabbled with off-road models in the past, but the introduction of the AT4 proves that they are committed to the dirty lifestyle. All 2019 Sierra AT4s feature a 2-inch suspension lift ...

On its own, the AT4 Value Package for the GMC Sierra 1500 is priced at $2,605, but with 20-inch wheels, the price climbs to $3,405 with all-terrain tires or $3,700 with the Goodyear Wrangler ...

GMC Sierra 1500 AT4 models are off-road-oriented variants that combine enhanced capabilities with GMC’s premium refinement to practically complement an authentic outdoor lifestyle The ...

Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo. Deleted with (PCP) AT4 CarbonPro Edition.

Out in the midwest, a bright red 2021 GMC Sierra 1500 AT4 Duramax Turbo-Diesel will turn more heads than a supercar. Welcomed by my new pickup brethren with raised thumbs, nonchalant nods ...

GMC first dipped its toes into the factory off-road space with the introduction of the 2019 Sierra AT4. A cautious step, the ...

The GMC MultiPro Tailgate is a six-way tailgate that was introduced on the current-generation GMC Sierra 1500 back in 2018. Three years later, not a whole lot has changed, and while the tailgate ...

Is it damning with faint praise to say that this GMC Sierra 1500 AT4 diesel would make a good used truck someday? This is not a bad truck. But it is expensive; as tested, this Sierra costs just ...