Ram 1500 Tonneau Covers: Bed Lengths, RamBox and Fit

On this page (7 sections)

1. Which Ram 1500 bed length do you have?
2. Does Classic or new body style affect fit?
3. Does RamBox change tonneau cover fit?
4. What about a split tailgate or bedliner?
5. Which cover styles suit different Ram 1500 needs?
6. How do you check Ram 1500 cover fit before ordering?
7. Which Ram 1500 tonneau cover should you choose?

A Ram 1500 tonneau cover must match your bed length, body style and bed features. Before choosing a style, check the model year, whether the truck is Classic or new body, and whether it has RamBox or a split tailgate.

Bed length is only one part of fit. A cover built for a 5'7" bed may not suit a 6'4" bed, and some covers exclude RamBox or particular tailgate configurations.

This guide explains which measurements and truck details to check, then compares four covers listed for different Ram 1500 bed configurations. For an overview of cover styles, see truck bed covers explained.

Which Ram 1500 bed length do you have?

Start by identifying the bed length and exact truck configuration. Common cover descriptions in this guide include 5'7" and 6'4" beds, but you should confirm the measurements and fit for your own truck.

A 5'7" bed is about 67 in, while the longer example here is labeled 6.4 ft or 78 in. Product fit details may use slightly different measurements, so compare the stated length with your truck rather than assuming every cover labeled 5.7 ft is identical.

Check the truck’s documentation or measure the bed yourself. Measure from the inside front wall to the inside edge of the closed tailgate, keeping the tape straight along the bed floor.

Do not measure the truck’s exterior length or use cab size as a substitute. The bed is the part the cover needs to span.

Does Classic or new body style affect fit?

Yes, body style can change whether a cover fits, even when the bed length appears to match. Some covers are specified for both Classic and new body trucks; others exclude one configuration.

Check the model year and the exact body style shown in the cover’s fit details. A 2019 Ram 1500, for example, may need special attention because the Tyger T1 is specified for 2019–2026 Ram 1500 but excludes 2019–2024 Classic models.

The MOSTPLUS 5.7 ft soft quad-fold names 2009–2018 trucks, 2019–2024 Classic models and 2019–2026 new body models, all without RamBox. The Toptiny hard folding cover is specified for 2009–2026 new body trucks and excludes Classic body models.

Match year, body style and bed length as a set. If any one of those details is unclear, verify the fit before buying.

Does RamBox change tonneau cover fit?

RamBox matters because several covers here are specified for trucks without it. The Tyger T1 and both MOSTPLUS covers in this guide exclude RamBox, as does the Toptiny cover.

RamBox adds storage compartments along the sides of the bed. That changes the bed configuration, so a cover made for a standard bed may not attach or seal as intended.

Check the cover’s fit information for the word “RamBox” before ordering. If your truck has the feature, look for a cover that explicitly names your configuration.

The GMC Sierra 1500 tonneau cover guide and Silverado 1500 cover guide also show why matching a cover to the exact pickup configuration matters.

What about a split tailgate or bedliner?

Check tailgate and liner details alongside bed length. Some covers exclude trucks with a Multi-Function (Split) Tailgate, and some clamp systems need clearance through an over-the-rail liner.

The Tyger T1 excludes trucks with the split tailgate. Its installation details say small holes may need to be cut in an over-the-rail bedliner so the clamps can attach; under-the-rail liners do not need that modification.

Before installation, identify whether your liner sits over or under the bed rails. If you prefer not to modify a liner, check the cover’s clamp design and instructions first.

A cover’s fit label is a starting point, not a substitute for checking your exact setup. For help measuring, see what size tonneau cover do I need?.

Which cover styles suit different Ram 1500 needs?

Choose a style based on how you use the bed and how much access you want. A roll-up cover opens along the bed, while a folding cover stacks panels toward the cab.

A soft cover can be a practical option if you want a flexible top and simple access. A hard folding cover uses solid panels and sits closer to a fixed lid when closed.

The soft and roll-up cover guide explains those designs in more detail. For covers that sit close to the bed rails, compare the best low-profile tonneau covers.

Tyger T1: a 5'7" roll-up option

The Tyger T1 is a soft roll-up cover specified for 2019–2026 Ram 1500 trucks with a 5'7" bed, excluding 2019–2024 Classic models, RamBox and the split tailgate.

Its vinyl cover attaches to aluminum side rails with stainless steel clamps. Tyger describes a clamp-on, no-drill installation, though an over-the-rail bedliner may need small holes cut for clamp clearance.

Choose it if your truck matches the listed configuration and you want a roll-up cover. It is not a fit for RamBox trucks or the excluded tailgate and Classic configurations.

MOSTPLUS 5.7 ft: a soft quad-fold for multiple body styles

This MOSTPLUS soft quad-fold is specified for 5.7 ft beds without RamBox. Its fit details include 2009–2018 Ram 1500, 2019–2024 Classic and 2019–2026 new body models.

The cover uses double-sided vinyl and powder-coated aluminum frames. It has an integrated clip fastening system and can be removed quickly, according to its feature details.

Choose it if you want a folding soft cover and your truck matches one of its named configurations. Measure the bed and verify the body style before ordering.

Toptiny: a low-profile hard folding cover for 5'7" beds

The Toptiny hard folding cover is specified for 2009–2026 new body Ram 1500 trucks with a 5'7" bed, without RamBox. It excludes Classic body trucks.

Its solid-core panels fold back for bed access, and the cover is designed to sit flush with the bed. Toptiny describes a clamp-on installation that does not require drilling.

Choose it if your truck is a new body model with the specified bed and you prefer hard panels. Its fit details do not include Classic or RamBox configurations.

MOSTPLUS 6.4 ft: a longer-bed soft quad-fold

This MOSTPLUS soft quad-fold is specified for a 6.4 ft bed, about 78 in, without RamBox. Its fit details include Ram 1500 Classic and new body trucks.

The cover uses double-layer PVC, powder-coated aluminum guide rails and adjustable aluminum clamps. Its folding design allows the bed opening to be adjusted, according to its feature details.

Choose it if you have the longer bed and want a soft folding cover. Confirm the stated bed length and truck configuration because a 6.4 ft cover will not fit the shorter 5'7" bed.

How do you check Ram 1500 cover fit before ordering?

Confirm five details before choosing a cover: model year, Classic or new body, bed length, RamBox and tailgate type. Then check liner clearance and the cover’s installation requirements.

Use this checklist:

1. Find the model year and whether the truck is Classic or new body.
2. Measure the bed or confirm its advertised length.
3. Check for RamBox side compartments.
4. Identify whether the tailgate is standard or split.
5. Note whether the bedliner sits over or under the rails.
6. Compare all of those details with the cover’s fit information.

If you are between two bed lengths or unsure about the body style, pause and verify before ordering. A mismatch can mean the rails, clamps or cover edge do not line up with the truck bed.

Which Ram 1500 tonneau cover should you choose?

Choose a cover by configuration first, then style. A 5'7" truck can compare the Tyger roll-up, MOSTPLUS soft quad-fold and Toptiny hard folding options, subject to each model’s exclusions.

For a 6.4 ft bed without RamBox, the longer MOSTPLUS quad-fold is the option here that names that bed length. If your truck has RamBox, a split tailgate or an uncertain body style, find a cover that explicitly includes those details before deciding.

For another pickup-specific comparison, read our Toyota Tundra tonneau cover guide.

Frequently asked questions

How do I know what size tonneau cover fits my Ram 1500?

Measure the bed and identify its advertised length, then confirm the model year and body style. Bed labels such as 5'7" and 6'4" are useful starting points, but dimensions and fit can vary by cover.

Also check for RamBox, a split tailgate and any bedliner that could affect installation.

Will a Ram 1500 tonneau cover fit a RamBox?

Only if the cover is designed for RamBox. The products in this guide are specified as not compatible with RamBox, so measure and check the exact cover fit before ordering if your truck has the side storage compartments.

Do Ram 1500 Classic and new body covers fit the same trucks?

Not always. Some covers name both Classic and new body models, while others exclude one body style.

Match the truck’s year and body style to the cover’s fit details rather than relying on the Ram 1500 name alone.

Can a tonneau cover work with an over-the-rail bedliner?

It depends on the cover and liner. The Tyger T1 may need small holes cut in an over-the-rail liner to clear its clamps; it works with under-the-rail liners without that modification.

Check the specific mounting instructions before installation.