GMC Sierra 3500 Side Step Bars & Running Boards

When climbing into a GMC Sierra 3500 Side Step Bars & Running Boards setup, the step surface gives a steadier boost into the cab and a cleaner look along the lower body. These running boards and side steps can also help frame the truck’s profile with different lengths, finishes, and step styles.

Wide boards often suit a more planted, full-length look, while compact bars leave a slimmer profile at the sides. Cab size, step shape, and surface texture all matter when the truck sees frequent use in boots, work gear, or wet weather.

Explore more exterior upgrades in GMC Sierra 3500 Exterior, then compare fitment and styling with 2020-2026 GMC Sierra 3500 Side Step Bars & Running Boards. Popular picks also show up in Most Popular for a quick look at what stands out.