Explore the 2026 GMC Sierra 1500 trim options, luxury interiors, and heavy-duty capabilities. Use our interactive tool to compare specs on the 3.0L Duramax Diesel, TurboMax, and V8 engines—plus maximum towing ratings up to 13,300 lbs. Visit Arnie Bauer Buick GMC in Matteson, IL, to find your Onyx Black Sierra today.

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