• 2025 GMC Sierra 1500 | View Inventory at GMC.com

    https://www.gmc.com › 2025-Sierra
    SponsoredAvailable Duramax® 3.0L Turbo Diesel, With Estimated 305 Horsepower & 495 lb-f…
    Models: Sierra 1500 AT4, Sierra 1500 AT4X, Sierra 1500 Denali, Sierra 1500 Elevation
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