New 2026 GMC Sierra 3500HD AT4 For Sale Clearwater, FL

The 2026 GMC Sierra 3500HD AT4 is a powerfully equipped crew cab diesel truck built for demanding work and towing. With its Duramax 6.6L V8 turbodiesel engine, 10-speed automatic transmission, and 4WD capability, this Silver beauty delivers the performance and capability you need. The premium Jet Black leather interior with Kalahari accents creates a refined cabin that doesn't compromise on toughness, while the AT4 designation ensures you're getting true off-road credibility and rugged features designed to handle any terrain.Key Features:- Duramax 6.6L V8 Diesel Turbocharged engine with dual alternators (220-amp primary, 170-amp auxiliary)- AT4 Premium Plus Package with gooseneck/5th wheel prep capability- 10-Speed Automatic transmission with 2-speed active transfer case- Full leather interior with heated and ventilated front seats- Multicolor 15 head-up display and 13.4 premium information display- Bose 7-speaker premium audio system with SiriusXM 360L (3 years included)- Advanced safety technology: automatic emergency braking, rear cross traffic alert, and bed view camera with trailer provisions- Power sunroof with spray-on bedliner and off-road lighting packages- Wireless phone projection and charging with multiple USB ports- 20 high-gloss black aluminum wheels with all-terrain capabilityThis truck combines workhorse capability with premium comfort features. Visit us today to experience the power, luxury, and versatility of the Sierra 3500HD AT4.Although every reasonable effort has been made to ensure accuracy, it cannot be guaranteed. Specifications, features, safety, and warranty information are based on standard trim-level data for the model year and may vary with options/packages. See dealer for complete written warranty details. Dealer is not responsible for inaccuracies from third-party sources. All vehicles are subject to prior sale. Prices include all applicable factory rebates to dealer but exclude upfits, plows, accessories, taxes, and emissions charges. Prices include doc, license, and title fees; doc fees vary by state (RI $399 + $20 title; MA $499; CT $899; NY $175; IL $377.63; FL $1195 + $349 filing; PA $490; MO $620.79; NJ $795). Pricing/availability may change without notice. MSRP is provided for comparison only and may differ from actual sale price based on market conditions. Vehicles may not be on-site but can often be delivered. Contact the dealership for details. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 11/02/2026