Rubber vs Diamondback Truck Bed Mats: Silverado Fit Guide

Quick answer

For a 2019–2021 Silverado 1500, choose the Diamondback mat if you want the most aggressive anti-slip surface for tools and loose cargo, and the Classic mat if you prefer a simpler horizontal-line texture for everyday loads. In both cases, order by your exact bed length first: 5'8" and 6'5" take different mats.

Why bed length decides the mat before texture does

The same Silverado 1500 generation can leave the factory with a 5'8" or a 6'5" bed, and a mat cut for one will not sit correctly in the other. Trim level and cab style do not tell you the bed length by themselves, so measure the inside of the bed from the bulkhead to the tailgate before comparing surface patterns.

A mat that is too long will buckle at the tailgate, while one that is too short leaves the front of the bed exposed to sliding cargo. Because Armordillo lists these mats by bed length, the size in the product name is the first filter to apply.

Diamondback vs Classic: what the surface actually changes

The Diamondback mat uses a diamond-plate anti-slip surface, which gives loose items more edges to grip than a smooth mat. That helps with hard cases, toolboxes and awkward loads that tend to slide when you brake or turn.

The Classic mat uses a horizontal line anti-slip surface. It is still a rubber mat with a textured face, but the pattern is less aggressive, which can suit loads that you slide in and out rather than wedge into place.

Neither surface is a substitute for tie-downs. Treat the mat as a base layer that reduces movement, not as a way to secure heavy cargo.

The thickness question: what the catalog does and does not tell you

Both mats are described as flexible, heavy-duty rubber, but the catalog does not publish a thickness figure for either one. That means a truck bed mat thickness comparison between these two specific mats cannot be settled from the listing alone.

If thickness is a deciding factor for you, ask the seller for the measurement before ordering rather than assuming the diamond-plate mat is thicker. What the listings do support is the difference in surface pattern and the difference in bed-length fit.

Where the price difference comes from

At catalog prices, the 5'8" Diamondback mat is listed at USD 74.40 and the 6'5" Classic mat at USD 81.84. The two figures are for different bed sizes, so they are not a like-for-like comparison of the two surface styles.

Use the price as a budget check after you have confirmed bed length and surface preference, not as the reason to pick one pattern over the other.

Decision rules for choosing your Silverado bed mat

• Measure the bed first: Measure the inside bed length from bulkhead to tailgate. If it is about 5'8", choose the Diamondback mat; if it is about 6'5", choose the Classic mat. Bed length overrides every other preference.
• Match the surface to your cargo: Pick the diamond-plate surface if you regularly carry hard cases, tools or loose items that slide. Pick the horizontal line surface if you mostly load and unload items you want to slide.
• Do not choose on thickness alone: Since neither listing publishes a thickness figure, base the decision on fit and surface pattern, and ask the seller for thickness if it matters to you. Get the measurement in writing before you order.
• Plan for tie-downs either way: Use the mat to reduce cargo movement, and secure heavy or tall loads with straps or a cargo bar.

Silverado bed mat options in this catalog

• ARMORDILLO® 2019-2021 Chevrolet Silverado 1500 5'8" Bed Diamondback Premium Rubber Truck Bed Mat: Fits the 2019–2021 Silverado 1500 5'8" bed and uses a diamond-plate anti-slip rubber surface. Short-bed owners get the more aggressive texture without having to trim a longer mat to fit.

  

• ARMORDILLO® 2019-2021 Chevrolet Silverado 1500 6'5" Bed Classic Rubber Truck Bed Mat: Fits the 2019–2021 Silverado 1500 6'5" bed and uses a horizontal line anti-slip rubber surface. Standard-bed owners get a full-length mat with a simpler texture for everyday cargo.

  

Who each mat suits

Best for

• 2019–2021 Silverado 1500 owners with a 5'8" bed who carry tools and hard cases
• Drivers who want a more aggressive anti-slip texture on the bed floor

Not for

• Silverado 1500 owners with a 6'5" bed, who need the longer mat
• Drivers who expect a mat to replace tie-downs for heavy cargo