New Trucks

2020 GMC Sierra AT4 HD

The AT4 (formerly known as the ‘All-Terrain’ in the previous generation) is arguably the best trim package for the 2019/2020 GMC Sierras. It’s void of all chrome and features body-colored and black accents on the exterior. Not to mention, the latest iteration also received a major lighting upgrade versus the previous iteration. The 2020 HD …

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