 Meet the 2026 GMC Sierra 1500 AT4 — featuring the powerful 3.0L Duramax® turbo-diesel, a bold Coastal Dune exterior, and a refined Jet Black with Kalahari Accents interior.  Available now at Classic Buick GMC – Texarkana  903-223-4333  Call or message us to schedule your test drive today! | Classic Buick GMC | Facebook
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