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2019+ Full-Size Trucks & SUVs (T1XX Platform)

The definitive community for the T1XX platform. Technical discussion, mods, and troubleshooting for the 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 along with their full-size SUV counterparts, the Tahoe, Suburban, Yukon, and Escalade.  Covers the 3.0L Duramax (LM2/LZ0), 6.2L V8, TurboMax engines, and ZR2 / AT4X editions.

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  1. 2019-2026 Silverado 1500 & Sierra 1500

    The main discussion hub for the T1XX platform. Daily driving, new orders, pricing, and news for the 2019+ half-ton trucks. Includes 2022+ refresh. 

     

     

    205.5k
    posts

  2. 2020-2026 Silverado HD & Sierra HD

    The heavy-duty headquarters. Discussion for the 2500HD and 3500HD. Towing, payload, ordering, and daily driving.

     

     

    53.2k
    posts

  3. 2021-2026 Tahoe, Suburban, Yukon & Escalade

    The full-size SUV headquarters. Discussion for the Chevy Tahoe/Suburban, GMC Yukon/XL, and Cadillac Escalade. Covers the 3.0L Duramax, 6.2L V8, Air Ride suspension, and IRS upgrades.

     

    1.6k
    posts

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