GMC® Sierra Heavy Duty 2500 | The Official GMC® Website
https://www.gmc.com › Sierra-HD › 2500HD
AdOffers More Advanced Trailering Assistance Technologies Than Any Competitor in Its Class. Available Duramax 6.6L Turbo-Diesel V8 Engine with 975 LB-FT. of Torque & 470 HP.
Build & Price · View Top Specs · Powerful Performance · Six Exterior Colors
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