Both the 2500 and 3500 Sierra Heavy Duty trucks have an AT4 trim. The HDs share many interior ... from the simplest Elevation to the luxe Denali and -- for 2024 -- the Canyon AT4X AEV Edition.

In addition, all Sierra 3500 HD dual-rear-wheel pickups will ... or using the turn signals. SLE, AT4, and Denali models receive new wheel options, including optional 22-inch rolling stock.

A disturbing number of GMC Sierra AT4 and AT4X owners are reporting a strange problem with a trim piece on the grille flying ...

GMC's SLE and SLT trim packages appear on several of the brand's models and both are clearly luxury trims, but what is the ...

considering the upscale SLT and Denali trim levels account for the vast majority of GMC sales. Sierra AT4 rolled onstage at a media event in lower Manhattan, prior to this year's New York Auto ...

A car rebuild expert found a GMC Sierra Denali with a salvage title, sitting abandoned in an auction yard, looking pathetic. The pickup truck is listed as damaged by fire, but was it really ...

To note, the optional second-row bucket seats are available on the Elevation and AT4 trim levels, and equipped as standard on Denali, Denali Ultimate, and the new-for-2025 AT4 Ultimate.

Standard equipment includes the features that come with this vehicle. Select Your Options Choose options to include in this vehicle value. For the most accurate pricing and values on new or used ...

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The ProGrade Trailering System is now standard on Elevation, AT4, and Denali, the Safety Plus Package is now standard on Elevation and AT4, and the Technology Plus Package now includes a Sunroof ...

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Standard equipment includes the features that come with this vehicle. Select Your Options Choose options to include in this vehicle value. For the most accurate pricing and values on new or used ...