Pre-Owned 2026 GMC Sierra 1500 AT4 For Sale West Bend, WI

SummaryReady for any adventure, this loaded 2026 GMC Sierra 1500 AT4 in a striking Volcanic Red Tintcoat comes fully equipped with the 3.0L Duramax Turbo-Diesel engine. This specific build stands out with over $5,000 in upgrades, including the AT4 Premium Package, the Technology Package with a 15-inch Head-Up Display, a Power Sunroof, and Dealer-Installed Off-Road High Clearance Steps.Vehicle DetailsHere are the updated vehicle descriptions, completely revised to highlight the specific factory and dealer-installed options listed on the window sticker.### SEO Meta Tags (For website backend)**Meta Title:** 2026 GMC Sierra 1500 AT4 Duramax - Volcanic Red | Lynch Buick GMC**Meta Description:** Loaded 2026 GMC Sierra 1500 AT4 in Volcanic Red! Features the 3.0L Duramax, AT4 Premium & Technology Packages, Power Sunroof, and Off-Road High Clearance Steps.### Short Listing Description (For search results pages)Ready for any adventure, this loaded 2026 GMC Sierra 1500 AT4 in a striking Volcanic Red Tintcoat comes fully equipped with the 3.0L Duramax Turbo-Diesel engine. This specific build stands out with over $5,000 in upgrades, including the AT4 Premium Package, the Technology Package with a 15-inch Head-Up Display, a Power Sunroof, and Dealer-Installed Off-Road High Clearance Steps.### Full Vehicle Description (For the main vehicle detail page)**2026 GMC Sierra 1500 AT4 Duramax**Command the road—and the trails—in this heavily optioned 2026 GMC Sierra 1500 AT4, finished in the premium Volcanic Red Tintcoat. Powered by the renowned 3.0L Duramax Turbo-Diesel engine mated to a 10-speed automatic transmission, this truck delivers massive low-end torque and excellent efficiency. Purpose-built for rugged terrain, the AT4 comes standard with a 2-inch factory lift, off-road suspension with monotube shocks, an auto-locking rear differential, and protective skid plates.Inside the Jet Black cabin with Kalahari accents, you'll find heated and ventilated perforated leather front bucket seats alongside a massive 13.4-inch diagonal color touchscreen.**Key Added Options & Packages:*** **Technology Package:** Features a rear camera mirror, a multicolor 15-inch diagonal Head-Up Display, and a bed view camera for ultimate cargo visibility.* **AT4 Premium Package:** Upgrades the cabin with a rear sliding power window and a universal home remote.* **Dealer-Installed Upgrades:** Equipped with Off-Road High Clearance Steps for easier access and All-Weather Floor Liners to keep the interior protected.* **Exterior Enhancements:** Features a Power Sunroof and the upgraded Volcanic Red Tintcoat finish.**Standard AT4 Premium Features:*** **Premium Tech:** Bose Premium Sound System, wireless Android Auto & Apple CarPlay, and a 12.3-inch digital driver information center.* **Utility:** GMC MultiPro Tailgate, factory spray-on bedliner, trailering package, and a trailer brake controller.Don't miss your chance to put this incredibly capable, loaded, and head-turning AT4 in your driveway. Visit us today to take it for a spin!Additional InformationLynch Buick GMC of West Bend is a family-owned and operated dealership since 1957. Our dealerships are located throughout Wisconsin, including Lynch GM Superstore in Burlington, Lynch Chevrolet of Mukwonago, Lynch Chrysler Dodge Jeep RAM in Mukwonago, Lynch Ford of Mukw