Sierra 2500

Spider

AWD4WD

8-Cylinder Turbo

Diesel

This 2026 GMC Sierra 2500HD AT4 is a well-equipped heavy-duty pickup designed to deliver comfort, capability, and everyday drivability. With a bold and purposeful engineering, it offers the performance and refinement drivers expect from GMC. Equipped with the AT4 Premium and AT4 Premium Plus packages, this vehicle adds desirable technology and convenience features that enhance confidence behind the wheel, whether you're commuting, towing, or heading out on the open road. STAR FEATURES INCLUDE: Universal Home Remote Power Sunroof LED Smoked Amber Roof Marker Lamps Inside Rearview Auto-Dimming Rear Camera Mirror Multicolor 15&quot; Diagonal Head-Up Display Power Sliding Rear Window with Defogger ADDITIONAL FEATURES: 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) AT4 Preferred Package Hitch Package Technology Package Gooseneck/5th Wheel Prep Package X31 Off-Road Package Bose Premium 7-Speaker Sound System Heated and Ventilated Front Seats Heated Rear Seats Wireless Charging This 2026 GMC Sierra 2500HD AT4 is a well-equipped heavy-duty pickup that blends modern technology with dependable performance. With its impressive capabilities, premium features, and rugged design, it's the perfect choice for those who demand the best in power, capability, and everyday driving. Toliver Chevrolet GMC of McAlester, OK is Southeastern Oklahoma's destination for new Chevrolet and GMC trucks, proudly serving McAlester, Ada, Eufaula, Muskogee, Durant, Fort Smith AR, Paris TX, and the surrounding region. We specialize in Chevrolet Silverado and GMC Sierra trucks built to compete head-to-head with Ford F-150 and Ford Super Duty models for power, towing capability, and long-term durability. Truck buyers comparing Silverado or Sierra vs Ford often choose Chevy and GMC for proven V8 power, advanced trailering technology, and professional-grade design built for real-world work and everyday driving. From half-ton pickups to heavy-duty HD models, Chevy and GMC deliver the strength and confidence serious truck owners expect. Every new Chevrolet and GMC truck includes The Toliver Promise a 5-Year / 1-Million-Mile Limited Powertrain Warranty at no additional cost (see dealer for details). Family-owned and known for transparent pricing and an easy buying experience. Price includes: $500 - Purchase Allowance. Exp. 03/02/2026

New 2026 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package

New 2026 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package Mcalester OK 74501

AT4 Premium Plus Package

Gooseneck/5th Wheel Prep Package

LPO, Hitch Package

Finance with TOLIVER CHEVROLET GMC

Warranty

Credit Report

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Automatic

TOLIVER CHEVROLET GMC

 for sale in Mcalester, OK. Learn more about this vehicle.

New 2026 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package for sale in Mcalester, OK 74501: Truck Details - 768651864 | Kelley Blue Book

MSRP	$89,640
Listing Price	$78,893