2025 Sierra HD AT4 & AT4X | Heavy-Duty Off-Road Truck - GMC
WEBExplore the 2025 GMC Sierra HD AT4 and AT4X off-road work truck equipped with a 1.5" suspension lift, rancho shocks, HD surround vision, a standard 6.6L V8 Engine, & more.
2025 Sierra 2500HD & 3500HD AT4 | Specs Selector | Off-Road Truck - GMC
WEBSIERRA 3500 HD AT4. Starting At: $72,200* As Shown: $72,200* VIEW SPECS. Choose from either a GMC Sierra 2500 HD or 3500 HD AT4, and learn more about the vehicle specs, trims, and features available.
Used GMC Sierra 3500HD AT4 for Sale (with Photos) - CARFAX
WEBFind the best GMC Sierra 3500HD AT4 for sale near you. Every used car for sale comes with a free CARFAX Report. We have 152 GMC Sierra 3500HD AT4 vehicles for sale that are reported accident free, 116 1-Owner cars, and 94 personal use cars.
2020 GMC Sierra HD Denali and AT4: Everything you need to know - Autoweek
WEBAug 27, 2019 · Every Sierra HD (AT4 and Denali included) comes standard with an all-new 401 hp 6.6-liter V8 paired to the six-speed automatic. The optional (nearly $10,000) Duramax diesel generates 445 hp and...
GMC AT4 and Denali Trim Levels Compared - Autotrader
WEBAug 1, 2022 · We compare the AT4 and Denali trims across each of GMC's models, including the Canyon, Sierra, Terrain, Acadia, and Yukon.
What Does AT4 Mean On GMC Trucks? Here's What The Package …
WEB1 day ago · The Sierra Heavy Duty take on off-roading — the HD AT4 — has an MSRP that starts at $70,100. Both the 2500 and 3500 Sierra Heavy Duty trucks have an AT4 trim.
2025 GMC Sierra HD Review, Pricing, and Specs - Car and Driver
WEBAdaptive cruise control with trailering assist, previously standard on the 2024 AT4X and Denali Ultimate trim levels, now comes on the AT4 and Denali trims as well.
2023 GMC Sierra HD Review, Pricing, and Specs - Car and Driver
WEBWe'd steer clear of the rugged AT4 and chrome-laden Denali models despite their enhanced appearance. Instead, we'd recommend picking the SLT trim level and adding four-wheel drive and the...
What Is the Difference Between the GMC AT4 and Denali Trims?
WEBJul 26, 2023 · Simply put, the AT4 trim is designed for off-road enthusiasts, and the Denali trim is made for luxury lovers. The trims are available on the same models, which are all SUVs and trucks, allowing drivers access to two very different experiences of …
2024 GMC Sierra 2500 and 3500 HD First Look: Denali ... - MotorTrend
WEBOct 6, 2022 · 2024 GMC Sierra 2500 and 3500 HD First Look: Denali Goes Ultimate, AT4X Joins the Ranks. An upgraded Duramax engine, all-new interior, and impressive tech suite anchor GMC’s new heavy-duty.