Looking at pictures of the Overland Expo’s GMC Sierra 2500 HD AT4X Ultimate Build, it looks big, but it doesn’t look as big as it is when you’re in front of it. Before all the upgrades (which I’ll get ...

Shop 2025 GMC Sierra 2500 SLT vehicles in Overland, MO for sale at Cars.com. Research, compare, and save listings, or contact sellers directly from 54 2025 Sierra 2500 models in Overland, MO.