Solid Bed Coverage Without the Premium-Brand Price Tag
Autobull tonneau covers are built from alloy steel frames with PVC or fiberglass panels, and priced well below the premium name brands — without cutting the fitment or hardware corners that actually matter. Hard top tri-fold and soft roll-up/tri-fold styles, fitted to your exact truck and bed length.
Autobull covers cover ten different truck models — from full-size beds like the F-250/F-350 and Ram 8 ft box, down to compact and midsize trucks like the Ford Maverick, Honda Ridgeline, and Jeep Gladiator. Every cover uses an alloy steel frame for structural rigidity, with either a PVC vinyl top (soft roll-up and tri-fold styles) or a fiberglass panel (hard top tri-fold styles). Locking clamps and weather-stripped seals are standard across the line, not an upgrade tier. The lineup is intentionally simple — two cover styles instead of five or six — which keeps the pricing lower than brands running a wider style range with more R&D and tooling costs baked into each SKU.
Fitment is still the part that matters most. Every cover is built and listed against a specific truck and bed length — check your bed length on your door jamb sticker or owner’s manual before ordering. If your truck has a RamBox cargo system, MultiPro/MultiFlex tailgate, or CarbonPro composite bed, confirm compatibility on the product page first, since some configurations aren’t supported. A cover that’s the wrong bed length won’t seal properly no matter how good the materials are, so getting this step right matters more than which style you pick.
Fitted for Ten Truck Models
Find your make, model, and bed length below. Confirm RamBox, MultiPro, and CarbonPro compatibility notes before ordering.
Hard Tri-Fold — Silverado (6.5 ft)
Alloy steel frame with a fiberglass panel top for daily hauling.
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Soft Roll-Up — F-150 (5.5 ft)
PVC top over an alloy steel structure, priced below premium brands.
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Hard Tri-Fold — Colorado/Canyon (5.2 ft)
Alloy steel and fiberglass build for the midsize bed.
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Soft Roll-Up — Colorado/Canyon (6.2 ft)
Lightweight PVC top for the long-box Colorado and Canyon.
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Hard Tri-Fold or Soft Roll-Up?
Both styles use the same alloy steel frame standard — the difference is weight, price, and how you use the bed.
Hard Top Tri-Fold
A fiberglass panel top on an alloy steel frame folds into three sections, with weather stripping and locking clamps at the tailgate and side rails. This is the pick if you want a lockable, load-bearing surface and don’t mind the extra weight and cost compared to a soft cover. Available for the F-250/F-350, Silverado, Ram 8 ft box, Frontier, Colorado/Canyon, and Ranger.
Soft Roll-Up / Tri-Fold / Quad-Fold
A PVC vinyl top over an alloy steel structure. Lighter, easier to remove entirely, and priced lower than the hard top style — a straightforward pick if weight and price matter more than a rigid load surface. Available for the F-150 (both 5.5 ft and 6.5 ft beds), Colorado/Canyon, Ram 8 ft box, Ranger, Ridgeline, Gladiator, and Maverick.
Check Fitment Before You Order
Confirm your bed length and check for RamBox, MultiPro/MultiFlex, or CarbonPro bed exclusions before ordering — these configurations aren’t supported by the standard clamp mounting on either style. Bed length is printed on your truck’s door jamb sticker if you’re not certain which one you have.
Ten Trucks, One Consistent Build
Whether it’s a full-size Super Duty or a compact Maverick, the underlying construction standard doesn’t change.
Full-size trucks — the Ford F-150, F-250/F-350, Chevy Silverado, and Dodge Ram 1500/2500/3500 — get the widest style selection, with both hard top tri-fold and soft roll-up options available depending on the model and bed length. Midsize trucks — the Nissan Frontier, Chevy Colorado, and GMC Canyon — are covered in both styles as well, matched to their shorter bed lengths. Compact and specialty beds — the Ford Ranger, Honda Ridgeline, Jeep Gladiator, and Ford Maverick — are covered primarily in the soft tri-fold style, sized to each truck’s specific short bed. Every listing states the exact bed length it’s built for; there’s no universal-fit version of any Autobull cover, and mixing up a bed length by even a few inches is the most common reason a cover doesn’t seal the way it’s supposed to.
What “Weather-Stripped” and “Locking” Actually Mean
The two features listed on every Autobull cover, explained plainly.
Weather Stripping
Rubber seal strips run along the rail and tailgate contact points to reduce water intrusion when the cover is closed. This is standard weatherstripping, not a proprietary sealing system — it works the same way most tonneau cover seals do, and it can be replaced separately if it wears out over time.
Locking Clamps
The mounting clamps include a locking mechanism so the cover can’t be removed from the bed rail without a key, adding a basic layer of theft deterrence for whatever’s stored underneath. It’s a straightforward mechanical lock, not an electronic or remote system.
What’s Actually in an Autobull Cover
The real material and hardware spec, not marketing language.
Alloy Steel Frame
Every Autobull cover — hard or soft — uses an alloy steel frame for structural support at the mounting points and panel edges.
Fiberglass Panels (Hard Styles)
Hard top tri-fold covers use fiberglass panel sections for the load-bearing top surface.
PVC Top (Soft Styles)
Soft roll-up, tri-fold, and quad-fold covers use a PVC vinyl top stretched over the alloy steel structure.
Locking Clamps
Locking mounting clamps are standard across the lineup for basic anti-theft security on the closed cover.
Installing an Autobull Cover
The listed installs use bed rail clamps — no drilling required on any style in the lineup.
1. Confirm Bed Length and Fitment Exclusions
Check your bed length against the product listing, and confirm your truck doesn’t have a RamBox, MultiPro/MultiFlex tailgate, or CarbonPro bed before ordering. This step catches the majority of return requests before they happen.
2. Clean the Bed Rail
Wipe down the factory bed rail where the clamps will mount so they seat evenly and the weatherstripping compresses consistently along the full length.
3. Position and Clamp
Set the cover on the rail and hand-tighten the included clamps at each mounting point before final torque. For the hard top style, a second person makes it easier to hold the panels level while you clamp.
4. Test the Latches
Open and close the cover fully to confirm the locking clamps and latches engage cleanly, and that the key operates smoothly, before your first drive.
Before You Order
Common questions about Autobull’s lineup and fitment.
Browse the Full Autobull Lineup
Every cover and accessory we carry, organized by style. Find your exact truck below.
Hard Tri-Fold Covers
Soft Roll-Up / Tri-Fold Covers
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Find Your Truck’s Cover
Browse the full Autobull lineup by truck make, bed length, and cover style — alloy steel construction at a price built to compete.
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