Finding a set of running boards for a 2018 Silverado that actually holds up to daily use and looks right on the truck takes more than sorting by bestseller rank. The aftermarket is flooded with thin-gauge steel, poor bracket designs, and finishes that flake within a season. The real challenge is identifying which boards deliver structural integrity, corrosion resistance, and a step height that works for your cab configuration without wasting time on returns.
I’m Amir — the founder and writer behind Four Wheel Ask. I’ve spent years analyzing truck accessory specifications, material quality reports, and thousands of owner reviews to identify which running boards deliver lasting performance.
After researching dozens of options and analyzing owner feedback, these are the best 2018 silverado running boards for durability, fit, and everyday value.
How To Choose The Best 2018 Silverado Running Boards
Selecting the right running boards for a 2018 Silverado means evaluating material composition, step width, weight capacity, and cab-specific fitment. The wrong choice can lead to rust within months, poor step placement, or brackets that don’t align with factory mounting points. Focus on these key areas before making a decision.
Material and Finish Durability
Stainless steel offers superior corrosion resistance and retains its appearance longer than mild steel, especially in regions with road salt or high humidity. Aluminum provides a lighter alternative with natural rust resistance, though it may not match the polished look of chrome stainless steel. Powder-coated carbon steel is budget-friendly but requires careful inspection of the coating thickness to prevent early flaking. For long-term ownership, stainless steel or powder-coated aluminum typically outlasts plain steel options.
Step Width and Load Capacity
Running board width directly affects how comfortable and secure each step feels. Narrower boards around 4 inches suit a streamlined look and work well for those who only need occasional assistance. Wider boards from 5 to 6.5 inches provide a more stable platform for passengers, children, and loading cargo. Load capacity typically ranges from 350 to 500 pounds per side, with higher ratings indicating stronger bracket and rail construction. Consider the heaviest expected use case, not just the driver’s weight, when evaluating capacity.
Fitment by Cab Configuration
The 2018 Silverado is offered in regular cab, double cab (extended cab with narrower rear doors), and crew cab (four full-size doors) configurations. Running boards designed for one cab style will not properly mount on another due to differences in rocker panel length and bracket positions. Diesel models with DEF tanks require specific clearance considerations or may be incompatible entirely. Always verify that the product listing explicitly matches your exact cab type and engine configuration before purchasing.
Quick Comparison
On smaller screens, swipe sideways to see the full table.
| Model | Category | Best For | Key Spec | Amazon |
|---|---|---|---|---|
| YITAMOTOR 6″ | Mid-Range | Best Overall Value | 6″ width, 450 lb capacity, stainless steel | Amazon |
| Tyger Auto 4″ Riser | Premium | Factory-Style Look | 4″ width, 500 lb capacity, carbon steel | Amazon |
| COMNOVA 6.5″ | Mid-Range | Wide Step Surface | 6.5″ width, 500 lb capacity, stainless steel | Amazon |
| APS 5″ iBoard | Premium | Low-Profile Design | 5″ width, polished stainless steel | Amazon |
| Auto Dynasty 6.75″ | Value | Budget Chrome Option | 6.75″ width, 350 lb capacity, stainless steel | Amazon |
| Perfit Liner 6″ | Mid-Range | High Load Capacity | 6″ width, 500 lb capacity, stainless steel | Amazon |
| AUTOSAVER88 6″ | Mid-Range | Lightweight Aluminum | 6″ width, 450 lb capacity, aluminum | Amazon |
| PZ 6″ Double Cab | Value | Double Cab Fit | 6″ width, 450 lb capacity, stainless steel | Amazon |
| PM PERFORMOTOR 6.7″ | Value | Entry-Level Chrome | 6.7″ width, 350 lb capacity, mild steel | Amazon |
In-Depth Reviews
1. YITAMOTOR 6″ Running Boards
The YITAMOTOR 6-inch running boards strike a rare balance between construction quality and reasonable cost. Built from stainless steel with a rust-resistant powder coating, these boards are designed for crew cab gas engine models across the 2007-2018 Silverado and Sierra 1500 range, plus HD variants through 2019. The one-piece structural design eliminates weak weld joints found on cheaper multi-piece assemblies, and the non-slip injection-molded step pad provides solid traction in wet conditions.
Owner feedback consistently highlights the straightforward no-drill installation that uses existing factory mounting points. The 450-pound per-side capacity covers most daily use scenarios, and the polished chrome finish maintains its appearance with routine cleaning. Some users note that the chrome surface can reflect underside components, which is a visual consideration rather than a functional defect. The included hardware kit and clear instructions reduce installation time to under an hour with basic hand tools.
Compared to OEM-level pricing, the YITAMOTOR delivers comparable fit and finish at a fraction of the dealer cost. The 3-year limited warranty adds confidence for long-term ownership. For Silverado owners seeking the best combination of durability, appearance, and value, this set consistently ranks as the most recommended option across owner communities.
What works
- Solid stainless steel construction with powder coating resists corrosion
- Easy no-drill installation using factory mounting points
- Non-slip step pad provides secure footing in all weather
- Competitive pricing compared to OEM alternatives
What doesn’t
- Chrome finish reflects underside of truck visually
- Not compatible with diesel models equipped with DEF tank
- Some owners prefer wider step surface for larger feet
2. Tyger Auto 4″ Riser Running Boards
The Tyger Auto 4-inch riser running boards offer a more subdued, factory-integrated look compared to wide step bars. Designed specifically for double cab models with two full-size front doors and two narrower rear doors, these boards use heavy-duty triangular mild steel tubing finished with a matte black E-coating that provides superior rust and corrosion resistance. The 4-inch width keeps the profile tight against the rocker panel while still offering a functional step surface for daily entry and exit.
Installation is straightforward with all brackets and hardware included, and most owners report completion in under two hours. The 500-pound weight capacity exceeds what most users will ever need, and the riser design positions the step at a comfortable height for the Silverado’s cab entry point. Owners note that trimming may be required on 2017-up models with plastic DEF tank covers, though this is a minor adjustment. The plastic cover pieces for the mounting arms use plastic screws that can strip if overtightened, so careful installation is recommended.
Tyger backs this product with a 3-year warranty against manufacturing defects for US customers, which is noticeably longer than most competitors. The matte black finish blends well with darker trucks and hides dirt better than polished chrome. For owners who prefer a low-profile step that doesn’t visually dominate the side of the truck, the Tyger Auto riser boards deliver a clean, purposeful appearance with proven longevity.
What works
- Matte black E-coating offers excellent corrosion resistance
- 500 lb capacity handles heavy daily use
- Factory-style design blends well with truck appearance
- 3-year warranty is among the best in this segment
What doesn’t
- Narrower 4-inch step surface less forgiving for larger feet
- Plastic mounting arm covers use fragile screws
- Requires trimming on some newer models with DEF tank covers
- Only fits double cab, not crew cab configurations
3. COMNOVA 6.5″ Side Steps
The COMNOVA 6.5-inch running boards stand out for their patented slider design that allows forward and backward adjustment along the rocker panel for precise positioning. This level of customization is rare in the sub-200 dollar bracket and makes a meaningful difference for owners who want the step exactly where it works best for their family’s needs. The honeycomb non-slip step pads provide excellent grip in rain or snow, and the 6.5-inch width offers generous surface area for secure footing.
Built from high-light stainless steel with UV-resistant plastic step inserts, these boards resist salt spray corrosion and discoloration from sun exposure. The 500-pound per-side capacity matches the highest rating in this comparison, and the bolt-on installation requires no drilling or welding. Some owners report that the packaging can show signs of previous returns, and missing hardware has been noted in a small number of shipments. Checking all parts before starting installation is advisable, and having spare washers on hand can prevent delays.
The adjustable bracket system is the defining advantage here, letting you fine-tune the step position rather than accepting a fixed mounting location. For households where multiple drivers of different heights share the truck, or for those who carry passengers who need extra step access, this adjustability translates directly to better daily usability. The modern aesthetic with honeycomb detailing also sets these apart visually from standard ribbed step pads.
What works
- Patented slider design allows fore-aft position adjustment
- Wide 6.5-inch step surface with honeycomb non-slip grip
- 500 lb capacity suitable for heavy loads
- Stainless steel resists salt spray and UV damage
What doesn’t
- Some units arrive with missing hardware or signs of return
- Bracket fitment can be tight on certain model years
- Instructions rely on drawings rather than step-by-step text
4. APS 5″ iBoard Running Boards
The APS iBoard running boards use full 304 stainless steel construction with a polished finish that maintains its luster with basic maintenance. The 5-inch width represents a middle ground between ultra-narrow riser steps and wide 6-inch-plus boards, offering enough surface for confident stepping without protruding excessively from the truck’s profile. The corrugated non-slip step pad runs the full length of the board, providing consistent grip from front to rear.
Installation follows the rocker panel mount approach common to this category, and most owners complete the job in under two hours with basic tools. The polished stainless finish requires occasional cleaning to maintain its mirror appearance, particularly in regions with road grime or industrial fallout. Owners report that the boards fit crew cab models accurately and that the included brackets align well with factory mounting points. The 1-year warranty against manufacturer defects covers material and workmanship issues.
APS has maintained consistent build quality over years of production, and the iBoard series has accumulated a strong track record of owner satisfaction. The 5-inch width is a practical choice for drivers who want a step that works for passengers of all ages without the visual bulk of wider boards. For Silverado owners who prioritize a clean, low-profile look with proven stainless durability, the APS iBoard represents a well-engineered choice that has stood the test of time.
What works
- Full 304 stainless steel construction resists corrosion
- 5-inch width balances step comfort and low profile
- Corrugated non-slip pad covers entire board length
- Proven track record with consistent owner satisfaction
What doesn’t
- Polished finish requires regular cleaning to stay bright
- Some owners find instructions lacking in detail
- Not compatible with diesel DEF tank models
5. Auto Dynasty 6.75″ Running Boards
The Auto Dynasty 6.75-inch running boards deliver a wide chrome step at a price point that undercuts most competitors by a significant margin. Constructed from stainless steel with heavy-duty ABS plastic end caps, these boards are designed for crew cab gas models across the 2007-2019 Silverado and Sierra lineup. The wide 6.75-inch step surface provides ample room for secure footing, and the polished chrome finish adds a traditional brightwork accent to the truck’s appearance.
Installation uses factory mounting points with no drilling required, though some owners report that bracket alignment can vary between model years and may require additional fasteners for a perfect fit. The 350-pound capacity is adequate for average daily use but lower than some competitors, which is a consideration for larger passengers or heavy cargo loading scenarios. Owners note that the instructions are minimal and benefit from some mechanical intuition, but the overall build quality exceeds expectations at this price level.
The value proposition here is straightforward: you get a wide, chrome-finished running board that fits properly and looks good for a fraction of what premium brands charge. The trade-offs come in bracket precision and documentation quality, both of which are manageable for anyone comfortable with basic vehicle accessory installation. For budget-conscious Silverado owners who want maximum step width without overspending, the Auto Dynasty boards deliver on the core requirements.
What works
- Wide 6.75-inch step surface at an entry-level price
- Stainless steel construction with ABS end caps
- Chrome finish adds traditional brightwork appearance
- No-drill installation using factory mounting points
What doesn’t
- 350 lb capacity is lower than most competitors
- Bracket alignment may vary between model years
- Instructions are minimal and lack detail
6. Perfit Liner 6″ Running Boards
The Perfit Liner 6-inch running boards are built with a 500-pound per-side capacity, matching the highest load rating in this segment. Constructed from stainless steel with ABS plastic step inserts, these boards are designed specifically for crew cab gas engine models. The anti-slip step surface uses a textured pattern that maintains grip in wet or icy conditions, and the chrome finish provides a bright accent that complements the Silverado’s factory styling.
Installation is straightforward with all mounting brackets and hardware included, and the bolt-on design uses factory rocker panel locations. Owners report that the boards align well with crew cab mounting points and that the hardware kit contains everything needed for a complete install. The instructions include clear graphics that reduce guesswork during assembly. Some owners note that the chrome finish requires regular polishing to prevent water spotting, particularly in areas with hard water or acid rain.
The 500-pound capacity makes these boards suitable for heavier passengers and cargo loading scenarios that would strain lower-rated steps. The combination of stainless steel structure and ABS step pads provides a good balance of strength and weather resistance. For Silverado owners who need maximum load capacity without stepping up to premium pricing, the Perfit Liner boards deliver where it matters most.
What works
- 500 lb capacity handles the heaviest daily use cases
- Anti-slip texture provides reliable wet-weather grip
- Complete hardware kit with clear installation graphics
- Good alignment with factory crew cab mounting points
What doesn’t
- Chrome finish shows water spots without regular polishing
- Not compatible with diesel DEF tank models
- Step pad material may wear faster than full stainless
7. AUTOSAVER88 6″ Aluminum Side Steps
The AUTOSAVER88 6-inch running boards take a different approach by using aluminum alloy construction instead of stainless or carbon steel. This material choice drops the total weight to roughly 37 pounds for the pair, making these significantly easier to handle during installation and reducing long-term corrosion risk. The powder-coated black body surface is paired with ABS plastic tread inserts that are seamlessly joined for a smooth appearance and reliable slip resistance.
The closed-end design prevents road debris and corrosive elements from accumulating underneath the step surface, which is a common failure point on open-ended designs. The 450-pound capacity matches the majority of mid-range options, and the adjustable sliding rails on the back simplify bracket alignment during installation. Owners report that the non-slip surface performs well in wet conditions and that the black finish hides dirt and brake dust better than chrome alternatives.
Aluminum’s natural corrosion resistance makes these boards a strong choice for owners in coastal regions or areas with heavy road salt use. The powder coating adds an additional layer of protection against UV degradation and stone chips. The 1-year limited warranty provides basic coverage, though aluminum construction typically requires less warranty support than steel options. For Silverado owners who prioritize light weight and corrosion resistance above chrome appearance, the AUTOSAVER88 boards offer a compelling alternative.
What works
- Lightweight aluminum construction at only 37 lb total
- Closed-end design prevents debris accumulation
- Natural corrosion resistance ideal for salt belt regions
- Adjustable sliding rails simplify bracket alignment
What doesn’t
- Black finish may not suit trucks with chrome trim
- Some owners report nuts sliding out of mounting track during install
- Not compatible with diesel DEF tank models
8. PZ 6″ Double Cab Running Boards
The PZ 6-inch running boards are specifically designed for double cab configurations with two full-size front doors and two narrower rear doors. This targeted fitment ensures the brackets align correctly with the shorter rocker panel length of double cab models, eliminating the overhang issues that can occur when crew cab boards are used on extended cabs. The mirror-polish stainless steel construction provides a bright chrome appearance, and the anti-slip plastic pads are properly proportioned to the board width.
Installation uses standard no-drill mounting with all necessary brackets and hardware included in the package. Owners consistently report that the boards fit their double cab Silverados accurately and that the included instructions feature both text and graphics for clarity. After extended use in regions with road salt, owners note minimal rust development, suggesting the anti-corrosion treatment is effective. The 450-pound capacity covers daily use requirements, and the chrome finish maintains its shine with routine washing.
The key differentiation here is the double cab-specific design, which prevents the fitment issues that arise when generic running boards are adapted to different cab lengths. For double cab owners who have struggled with boards that hang past the rear door opening or leave gaps at the front, the PZ set provides a purpose-built solution. The combination of accurate fitment, corrosion resistance, and attractive chrome finish makes these a strong choice for extended cab Silverado owners.
What works
- Specifically designed for double cab fitment accuracy
- Mirror-polish stainless steel with effective anti-corrosion treatment
- Detailed installation instructions with text and graphics
- Chrome finish maintains appearance over years of use
What doesn’t
- Only fits double cab, not crew cab configurations
- Some trucks may require additional nuts for rear mounting bolts
- Not compatible with diesel engine models
9. PM PERFORMOTOR 6.7″ Running Boards
The PM PERFORMOTOR 6.7-inch running boards offer the widest step surface in this comparison at an entry-level price point. Constructed from a combination of mild steel and stainless with a polished chrome finish, these boards are designed for crew cab gas models across the 2007-2019 Silverado and Sierra range. The non-slip step pads provide reliable traction, and the wide platform makes entry and exit comfortable for passengers of all ages and mobility levels.
Installation follows the no-drill approach with brackets that bolt to factory mounting points, and owners report that the adjustable design allows some customization of step width relative to the truck. The instructions use drawings rather than written steps, which can make the initial installation slower for first-time buyers. Some owners note that the boards do not protrude as far as expected until adjustment is completed, so proper bracket positioning is essential for achieving the desired step-out distance.
The 350-pound capacity is suitable for typical daily use but lower than many alternatives, which may be a limitation for owners who frequently carry heavy passengers or use the steps as a loading platform. The mixed-material construction uses stainless for visible surfaces and mild steel for structural components, which is a cost-saving approach that requires attention to finish maintenance. For buyers who prioritize maximum step width at minimum cost, the PM PERFORMOTOR boards deliver on the primary specification.
What works
- Wide 6.7-inch step surface at an entry-level price
- Polished chrome finish with non-slip step pads
- Adjustable bracket design for width customization
- No-drill installation using factory mounting points
What doesn’t
- 350 lb capacity is lower than most competitors
- Instructions use drawings only, no written steps
- Mild steel components require careful finish maintenance
Hardware & Specs Guide
Stainless Steel vs. Aluminum vs. Carbon Steel
Stainless steel offers the best corrosion resistance and the most attractive polished finish, but it is heavier and more expensive. Aluminum is lighter and naturally rust-resistant, making it ideal for salt belt regions, though it lacks the chrome shine of stainless. Carbon steel with powder coating is the most budget-friendly option, but any chip in the coating will lead to rust formation over time. Choose stainless for appearance and longevity, aluminum for weight savings and corrosion resistance, and carbon steel only if cost is the primary constraint and the truck is kept in dry conditions.
Step Width and Cab Configuration
Running board width directly impacts both appearance and function. Narrower 4-inch boards provide a factory-integrated look and work well for double cab trucks where rear door clearance is limited. Five- to six-inch boards offer a balanced profile that suits most crew cab trucks without protruding excessively. Boards wider than six inches provide maximum step surface but can extend noticeably past the rocker panel, which may affect off-road clearance or parking proximity sensing. Crew cab trucks with four full-size doors require the longest boards, while double cabs need shorter boards designed for their specific rocker panel length.
Load Capacity and Bracket Design
Weight capacity ratings typically range from 350 to 500 pounds per side. Higher ratings indicate stronger bracket construction and thicker rail material, which translates to less flex under load and longer service life. Bracket design varies from fixed-position mounts to adjustable sliding brackets that allow fore-aft positioning. Adjustable brackets are more versatile but introduce additional hardware that can loosen over time if not properly torqued. Look for brackets with multiple attachment points to the rocker panel for the most secure fit.
Finish Types and Maintenance
Chrome polished stainless steel requires regular cleaning with chrome-specific products to prevent water spots and maintain reflectivity. Powder-coated finishes are more forgiving and hide dirt well but can chip if struck by road debris. Black E-coating offers excellent corrosion protection and a consistent matte appearance that requires minimal maintenance. ABS plastic step pads should be checked periodically for cracking in extreme temperature cycles, particularly in northern climates where freeze-thaw cycles stress plastic components.
FAQ
Will running boards from a 2015 Silverado fit a 2018 Silverado?
How do I know if I need crew cab or double cab running boards?
Do these running boards work with diesel engines?
How long does installation typically take?
What is the difference between nerf bars and running boards?
Final Thoughts: The Verdict
For most buyers, the best 2018 silverado running boards winner is the YITAMOTOR 6-inch set because it combines stainless steel construction, easy no-drill installation, and a 450-pound capacity at a price that undercuts premium alternatives while delivering comparable build quality. If you prefer a factory-integrated low-profile look, grab the Tyger Auto 4-inch riser boards for their proven E-coating durability and strong warranty. And for maximum step width with adjustable positioning, nothing beats the COMNOVA 6.5-inch steps with their patented slider design.
Certification: BSc in Mechanical Engineering
Education: Mechanical engineer
Lives In: 539 W Commerce St, Dallas, TX 75208, USA
Md Amir is an auto mechanic student and writer with over half a decade of experience in the automotive field. He has worked with top automotive brands such as Lexus, Quantum, and also owns two automotive blogs autocarneed.com and taxiwiz.com.