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Running Boards vs Nerf Bars

Posted by Big League Accessories on 30th Jun 2026

If you own a pickup truck, you've probably heard a complaint about how tough it can be to climb in and out — especially for shorter passengers or kids. Running boards and nerf bars both solve that problem, but they aren't the same. Let's look at the similarities and differences.

Nerf Bars

The term “nerf” comes from racing, where two cars rub against each other; nerf bars were originally a line of defense to keep tires from touching at speed — like a bumper-car bumper. Adapted for pickups over the years, they became tubular side steps that make climbing into a tall truck easier.

Running Boards

Running boards trace back to carriages, trolleys, and early cars, running the length of the vehicle as a step. Pickups adopted them to help passengers get in and out — common today, especially on big trucks with smaller passengers.

What's the Difference?

Nerf Bars Running Boards
Shape Rounded with flat step pads Flat for the whole length
Strength Typically 300–500 lbs Typically 600 lbs
Installation Easy Easy
Materials Many options Many options
Width Around 3 inches Usually 4 inches or more
Special features Replaceable step pads, optional drop-down steps Can be automatic or lit, heavy-duty traction, drop-down options for lifted trucks

Both serve a valuable purpose and make truck life easier. If you have a partner or kids riding along, some form of truck step is a must-have. Explore our truck accessories to outfit your rig.