Running Boards Buying Guide: Fit, Load Rating and Style for Your Truck or SUV

The best running boards are vehicle-specific, rated for your weight, and made from materials that stand up to weather and road salt. They make getting in and out of a truck or SUV easier, and they also add protection and style. Fitment, step width, load capacity and mounting method are the key checks before you buy.

Running Boards, Nerf Bars and Side Steps

The terminology gets confusing. Running boards are wide, flat steps that run along the side of the vehicle between the wheels. Nerf bars are tubular, often round or oval, offering a narrower stepping surface. Side steps are individual steps placed under the doors. Power running boards extend automatically when a door opens and retract when it closes.

Each suits different priorities: running boards give a stable, wide platform for families or older passengers, nerf bars add a rugged look and are lighter, and power boards combine convenience and a clean profile at a higher cost.

Styles Compared

Check Fitment First

Running boards are usually designed for a specific make, model, year, cab style and bed length. A crew cab and an extended cab need different lengths. Confirm that the board is listed as compatible with your exact vehicle, and see whether it uses existing mounting points on the frame or requires drilling. Direct-fit brackets simplify installation and avoid permanent modification.

Also consider vehicle options such as factory trim packages, rocker panels or existing side steps, as they can affect compatibility. If you tow or drive off-road, check how much ground clearance the board leaves. Low-hanging boards can be damaged on rocks or snow ridges. You can start your search with running boards for crew cab pickup trucks and then filter by your specific make and model.

Materials, Finish and Grip

• Aluminum: Lightweight and rust resistant, often with a textured or powder-coated finish.
• Stainless steel: Strong and polished, but more costly and may show water spots.
• Powder-coated steel: Sturdy and affordable, though scratches can lead to rust if not touched up.
• Plastic or composite: Light and corrosion-free, but typically less strong.
• Step pad texture: Raised patterns and rubber inserts improve traction in rain and snow.

Look at the finish for durability. Cold-weather drivers should consider boards with open patterns that shed snow and salt, and with finishes resistant to road chemicals. Rinse the underside periodically to remove buildup.

Load Rating and Safety

Check the load capacity listed by the manufacturer. Many running boards support several hundred pounds, but ratings vary by product and mounting method. If the board will see frequent use by heavier passengers or be used as a step to reach roof racks, make sure the rating is adequate. Bolts should be tight and brackets rigid, with no flexing.

Note that boards can be slippery when wet, muddy or icy. Wipe your boots when possible and clear snow before stepping up. Keep children and pets away from the area when the board is retracting if you use power boards. Review the manufacturer’s instructions for installation torque and inspection intervals.

Installation and Upkeep

Many direct-fit boards can be installed with common hand tools in an afternoon, while power boards often require wiring and professional help. Allow time to align brackets properly and tighten fasteners in sequence. Apply thread-locker if the manufacturer suggests it, and check bolts after the first few hundred miles.

Wash the boards with the rest of your vehicle, paying attention to the underside where salt collects. Touch up chips with matching paint to avoid corrosion. Consider adding anti-slip running board step pads if the stock surface feels slick.

Think about who actually climbs in. Kids and shorter adults benefit the most from a wide, flat step, while a tall driver may only want protection against stones and spray. If you have a dog that jumps in and out, textured pads help with grip. Consider whether you often carry heavy gear, since a sturdy board lets you reach items stored in the bed or on the roof more easily.

Budget also plays a part. Basic nerf bars are among the more affordable options, wide boards with lighting or custom finishes cost more, and power versions sit at the top. Compare warranties, which can range from limited to lifetime for the finish, and read what is covered. If you plan to keep the vehicle for years, paying for corrosion-resistant materials and a solid warranty usually pays off. Keep your receipt and installation instructions together, and photograph the mounting hardware before you install so you can match it later if you need replacements.

Frequently Asked Questions

Are running boards worth it?

For tall trucks and SUVs, they can make entry easier, especially for children and older passengers. They also protect lower body panels from spray and minor debris.

Do running boards hurt fuel economy?

Their effect is generally small, but they may add a bit of weight and drag. Lightweight materials limit the impact.

Can I install them myself?

Many direct-fit models are DIY friendly. Power versions are more complex, so consider a professional installer.