New 2026 Gmc Sierra 3500 HD SLT

Recent Arrival! 2026 GMC Sierra 3500HD SLT 4WD 10-Speed Automatic 6.6L V8 Onyx Black. Discover professional-grade capability, advanced technology, and refined comfort at Toliver Buick GMC of Mount Pleasant, your trusted GMC dealership in Northeast Texas. From hardworking GMC Sierra trucks to versatile GMC SUVs like Terrain, Acadia, and Yukon, GMC delivers strength, safety, and premium design for Texas roads and lifestyles. Conveniently located in Mount Pleasant, TX, we proudly serve Texarkana, Sulphur Springs, Tyler, Longview, Paris, Winnsboro, and Mt. Vernon with transparent pricing, knowledgeable staff, and a relaxed buying experience built on small-town values and long-term trust. When you choose a new GMC from Toliver Buick GMC of Mount Pleasant, you’re investing in professional-grade quality backed by long-term confidence. Every new GMC truck or SUV comes with the Toliver Promise — a 5-Year / 1-Million-Mile Limited Powertrain Warranty at no additional cost, giving you peace of mind whether you’re towing, traveling, or tackling everyday Texas roads.