2025 Gmc Sierra 2500hd Denali Tonneau Cover. Get the right tonneau covers for your gmc sierra 2500 from the experts.  — the gmc sierra 2500 bed cover for 2025 folds into a space of just seven inches.

The perfect tonneau covers for your 2025 gmc sierra 2500 is waiting for you at realtruck. Install crossbars (sold separately) in the slotted rails to carry bikes, kayaks, and more above your bed.