Crew Cab vs Double Cab Running Boards: Which Should You Buy?
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Choosing the right crew cab vs double cab running board depends on your truck’s door configuration. Both COMNOVA options offer 6-inch wide steps for secure footing and direct bolt-on installation without drilling. They share a 500 lb weight capacity and adjustable slider designs for precise fitment. The main difference lies in the material and compatible model years. One uses powder-coated galvanized steel for older trucks, while the other features stainless steel for newer models. Selecting the correct cab size is essential for proper fit.
Key differences
| Aspect | COMNOVA 6" Running Boards for Silverado/Sierra Crew Cab | COMNOVA 6" Stainless Double Cab Running Boards |
|---|---|---|
| Cab Size | Crew Cab | Double Cab |
| Compatible Years | 2007-2018 Silverado/Sierra 1500/2500HD/3500HD | 2019-2026 Silverado/Sierra 1500/2500HD/3500HD |
| Material | Galvanized Steel | Stainless Steel |
| Finish | Powder Coated | Stainless Steel |
| Length | 86 inches | 78 inches |
| Weight | 49.6 pounds | 45 pounds |
Which one should you choose?
Choose COMNOVA 6" Running Boards for Silverado/Sierra Crew Cab if
- You drive a 2007-2018 Silverado or Sierra Crew Cab with four full-size doors.
- You prefer a powder-coated finish for added rust prevention on older truck models.
- You need a longer step bar to match the extended wheelbase of a Crew Cab.
Choose COMNOVA 6" Stainless Double Cab Running Boards if
- You own a 2019-2026 Silverado or Sierra Double Cab with two full-size and two half-size doors.
- You want a stainless steel surface that resists salt spray and UV radiation without discoloration.
- You prefer a lighter step bar that is easier to handle during installation.
Verdict: The choice between these running boards is determined entirely by your truck's cab size and model year. Crew Cab owners with older trucks should select the galvanized steel option, while Double Cab owners with newer models need the stainless steel version. Both provide identical step width and installation ease for their respective vehicle types.
Crew vs Double Cab Specs Compared
cab size fitment
Product A, the COMNOVA 6-inch running board for Silverado/Sierra Crew Cab, is designed exclusively for trucks with four full-size doors. It fits 2007-2018 Silverado and Sierra 1500 models, as well as 2500HD and 3500HD variants from 2007-2019. It also supports the 2019 Silverado 1500 LD. Product B targets the Double Cab configuration, which features two full-size doors and two half-size doors. It fits 2019-2026 Silverado and Sierra 1500 models, along with 2020-2026 2500HD and 3500HD trucks. Choosing the wrong cab size results in a poor fit, so verify your door layout first.
material construction
Product A uses heavy-duty galvanized steel with a powder-coated black finish. The coating includes glitter to prevent rust and enhance style. An anti-slip plastic cover protects the bracket from rust formation while improving visual appeal. Product B is constructed from high-grade stainless steel. This material resists corrosion from salt spray and withstands UV radiation without discoloration. Stainless steel typically requires less maintenance than painted steel. Both materials offer durability, but stainless steel provides superior resistance to environmental wear and tear over time.
step width
Both running boards feature a 6-inch wide step. This width offers a secure footing for passengers entering or exiting the vehicle. The generous surface area is particularly helpful for seniors and children. A wider step reduces the chance of slipping, especially in wet or icy conditions. Since both products provide the same 6-inch platform, neither holds an advantage in this category. The consistent width ensures you get reliable traction regardless of which cab size you select.
installation method
Both products utilize a direct bolt-on installation that requires no drilling into the truck body. Product A includes mounting hardware and brackets for a secure fit. It also features an innovative slider design that allows you to adjust the position forward or backward for better customization during installation. Product B also offers a slider design for precise positioning. It includes two steps, mounting brackets, hardware, and instructions. Both simplify the setup process, making them accessible for DIY enthusiasts without specialized tools.
weight capacity
Each step bar in both Product A and Product B supports up to 500 lbs. This weight capacity ensures safety for passengers of all sizes. The robust construction handles heavy loads without bending or failing. Whether you are loading gear or stepping up with equipment, the 500 lb limit provides peace of mind. This shared specification confirms that both running boards are built for substantial use. You can rely on either option for daily loading and unloading tasks without worrying about structural integrity.
Choose Your Running Board Now
Crew Cab owners seeking rust resistance
This option fits your four-door truck. The galvanized steel core with powder coating helps prevent rust. The 6-inch wide step offers secure footing for passengers. You get a 500 lb capacity and direct bolt-on installation without drilling. The adjustable slider design allows for precise positioning on your vehicle.
Double Cab drivers wanting corrosion protection
This step bar is made for your two full-size and two half-size doors. High-grade stainless steel resists salt spray corrosion and UV radiation without discoloration. The 6-inch wide step provides a safe landing. It supports 500 lbs and installs directly without drilling. The slider design ensures a custom fit.
Buyers needing a 6-inch wide step
Both models offer a 6-inch wide step for secure footing. This crew cab version is ideal if you have four full-size doors. The heavy-duty galvanized steel construction supports 500 lbs. Direct bolt-on installation requires no drilling. The adjustable slider design allows you to adjust the position forward and backward for better customization.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | COMNOVA 6" Running Boards for Silverado/Sierra Crew Cab | heavy-duty crew cab access | Check price of COMNOVA 6" Running Boards for Silverado/Sierra Crew Cab on Amazon |
| 2 | COMNOVA 6" Stainless Double Cab Running Boards | 2019-2026 Silverado Double Cab owners | Check price of COMNOVA 6" Stainless Double Cab Running Boards on Amazon |
The products compared
COMNOVA 6" Running Boards for Silverado/Sierra Crew Cab
Best for: heavy-duty crew cab access
- Cab Size
- Crew Cab (what this guide is about)
- Compatible Vehicle
- 2007-2018 Silverado/Sierra 1500
- Material
- Carbon steel
- Step Width
- 6-inch
- Installation
- Direct bolt-on, no need to drill
- Finish
- Powder coated
View on Amazon: COMNOVA 6" Running Boards for Silverado/Sierra Crew Cab Affiliate link
This COMNOVA running board fits 2007-2018 Silverado and Sierra crew cabs. It uses galvanized steel with a powder-coated finish for rust resistance. The 6-inch wide step offers secure footing. It supports up to 500 pounds per bar. Installation is direct bolt-on with no drilling required. The design includes a sliding bracket for easy adjustment. It is a practical upgrade for crew cab owners.
Pros
- 6-inch wide step for secure footing
- 500 lb weight capacity per bar
- Galvanized steel construction with powder coating
- Direct bolt-on installation without drilling
Cons
- Excludes diesel engine models
- Not compatible with 2020-2025 Silverado models
- Heavier build at 49.6 pounds
Good fit if
- You drive a 2007-2018 crew cab Silverado or Sierra
- You need a high weight capacity for heavy use
- You prefer a wide step for easier boarding
Skip if
- You own a 2020 or newer Silverado
- Your truck has a diesel engine
- You require a double cab specific fit
Verdict: COMNOVA 6-Inch Steel Crew Cab Step provides a sturdy, high-capacity entry solution for older crew cab trucks. It suits drivers who prioritize durability and wide footing over lightweight design.
COMNOVA 6" Stainless Double Cab Running Boards
Best for: 2019-2026 Silverado Double Cab owners
- Cab Size
- Double Cab (what this guide is about)
- Compatible Vehicle
- 2019-2026 Chevy Silverado, GMC Sierra
- Material
- Stainless Steel
- Step Width
- 6 inches
- Installation
- Direct bolt-on, no drill
- Weight Capacity
- 500 lbs
View on Amazon: COMNOVA 6" Stainless Double Cab Running Boards Affiliate link
This COMNOVA running board is designed for 2019-2026 Chevy Silverado and GMC Sierra Double Cab models. It features a 6-inch wide stainless steel step that resists corrosion and UV damage. The unit weighs 45 pounds and supports up to 500 pounds. It installs via direct bolt-on without drilling. The slider design allows for forward and backward adjustment to ensure a precise fit on your vehicle.
Pros
- 6-inch wide step for secure footing
- Stainless steel construction resists corrosion
- Direct bolt-on installation requires no drilling
- Slider design allows position adjustment
- 500 lb weight capacity per step
Cons
- Only fits Double Cab models, not Crew Cab
- Does not fit 2019-2026 2500HD/3500HD models
- Incompatible with older 2007-2018 Silverado/Sierra
Good fit if
- You own a 2019-2026 Silverado Double Cab
- You need a durable stainless steel step
- You prefer bolt-on installation without drilling
Skip if
- You drive a Crew Cab model
- You have a 2007-2018 Silverado
- You need a 2500HD or 3500HD step
Verdict: COMNOVA 2019-2026 Silverado Double Cab provides a sturdy 6-inch step for owners of the correct cab size. It is a practical solution for those who need a corrosion-resistant step that installs without drilling.
Specifications side by side
| Spec | COMNOVA 6" Running Boards for Silverado/Sierra Crew Cab | COMNOVA 6" Stainless Double Cab Running Boards |
|---|---|---|
| Compatible Vehicle | 2007-2018 Silverado/Sierra 1500 | 2019-2026 Chevy Silverado, GMC Sierra |
| Cab Size | Crew Cab | Double Cab, Extended Cab |
| Material | Carbon steel | Stainless Steel |
| Step Width | 6-inch | 6 inches |
| Installation | Direct bolt-on, no need to drill | Direct bolt-on, no drill |
| Finish | Powder coated | not stated |
| Weight Capacity | 500 lbs | 500 lbs |
| Compatible Truck | Chevy Silverado, GMC Sierra | Chevy Silverado, GMC Sierra |
| Width | 6 inches | 6-Inch |
| Style | Side Steps | Side Steps |
| Dimensions | 89 × 6 × 2 inches | 78 × 6 × 2 inches |
| Weight | 49.6 pounds | 45 pounds |
| Size | 07-18 Silverado Crew Cab | 19-26 Silverado Double Cab |
| Color | Black | Stainless Steel |
| Model | 15655H6-BLK-8-C | Silverado running boards |
Frequently asked questions
What is the main difference between crew cab and double cab running boards?
The primary difference is the truck door configuration they fit. Crew cab running boards are designed for trucks with four full-size doors, such as the 2007-2018 Silverado. Double cab boards fit trucks with two full-size front doors and two smaller rear doors, like the 2019-2026 Silverado. You must match the board to your specific cab style for proper installation.
Do crew cab and double cab running boards have the same width?
Yes, both COMNOVA options provide a 6-inch wide step surface. This width offers secure footing for your boots. The COMNOVA 6-inch Steel Crew Cab Step and the Stainless Double Cab version both maintain this 6-inch dimension. This consistent width ensures similar stability regardless of which cab size you select.
Can I install double cab running boards on a crew cab truck?
No, you cannot swap them. The mounting points and lengths differ between cab styles. The double cab board is 78 inches long, while the crew cab version is 86 inches. Installing the wrong size will leave gaps or prevent the brackets from aligning with your truck’s frame rails.
Which material is better for rust resistance?
The double cab option uses stainless steel, which offers high corrosion resistance. The crew cab version features a galvanized steel core with a powder coat finish. Both finishes help prevent rust, but stainless steel is naturally more resistant to moisture and road salt without relying solely on a coating layer.
How much do these running boards weigh?
The crew cab steel model weighs 49.6 pounds. The double cab stainless steel model is lighter at 45 pounds. The difference comes from the materials used. Both weights are manageable for two people to install, but the stainless option is slightly easier to handle during the mounting process.
Do these boards require drilling to install?
No, both models use a direct bolt-on installation method. They attach to your existing frame rails without drilling new holes. This preserves your truck’s factory integrity and simplifies the mounting process. You only need standard tools to secure the brackets and slide the boards into place.
What is the weight capacity of these steps?
Both models support up to 500 pounds. This capacity allows you and your passengers to step on them safely. The sturdy construction ensures they do not flex under normal use. This rating applies to both the steel crew cab step and the stainless steel double cab step.