Choose between two of the most comparable tonneau covers on the market – BAKFlip MX4 and Undercover ArmorFlex.
With this guide you’ll find the right tonneau cover that fits your needs, budget and style – whether you’re a camper, craftsmen, musician, or anyone else looking for ultimate protection for your truck bed and its contents
These are two comparable tonneau covers, right down to the price. We had to look hard to find the differences, and even then, preference is a toss-up.
Table of specification
| Feature | Bakflip MX4 | Undercover Armor Flex |
|---|---|---|
| Make | USA | USA |
| Panel exterior | Industrial Grade Aluminum | Aluminum |
| Panel Core | Aluminum sandwich | Solid Aluminum |
| Installation | Bolt on Installation. | Bolt on Installation. |
| Tailgate seal | Dual Action Tailgate seal | Dual Action Tailgate seal |
| Finish | Matte-Black | “Linex” finish (patented) |
| Look | Low Profile Appearance | Low Profile Appearance |
| Cover Type | Hard Cover | Hard Cover |
| Weight rating | 400 LBS - evenly distributed | 400 LBS - evenly distributed |
| Bed Access | Full Access and requires resting on the back of cab. | Full Access and does not rest on the back of cab. |
| Warranty | 3 – 5 years | 5 years |
| Check Price | Check Price |
Shared Features
Full-Bed Access with Ease
Both the BAKFlip MX4 and Undercover ArmorFlex let you easily access almost your truck bed without having to remove the entire cover, making hauling and accessing your cargo a breeze.
Durable and Tested Materials
Both covers are built to withstand rain, snow, and harmful UV rays. The BAKFlip MX4 is constructed with aluminum panels and a fiberglass-reinforced polymer frame, while the Undercover ArmorFlex is made of fiberglass-reinforced aluminum.
Secure Latching System
These covers come with a secure latching system, ensuring that your cargo stays safe and sound, but also allows quick access to your truck bed.
Quick Installation
Both the BAKFlip MX4 and Undercover ArmorFlex are designed for easy installation, allowing you to have your new cover up and protecting in no time!
Both Covers Offer the Best Features
With either cover you get the features that are the hallmark of a good tonneau cover. Dual-action tailgate seals protect against leaks into your truck bed, and also allow you to open and close the tailgate with the cover fully extended. Bolt-on installation is quick, easy, and secure. Prop rods and buckles and straps secure your tonneau cover when it is open.
Differences
| Bakflip MX4 | Undercover Armorflex |
|---|---|
 |  |
| Finish Matte-Black | Finish “Linex” finish (patented) |
| Panels Sandwiched Aluminum | Panels Solid Aluminum |
| Protection Rests on the back of the cab, when fully folded | Protection Does not rest on the back of the cab, when fully folded |
| Check Price | Check Price |
Finish
Undercover’s Linex finish gives you a distinctive look, whether your truck is in the parking lot, or at a car show.
Panels
The BAKFlip MX4 aluminum tonneau cover is lighter and easier to remove, yet the construction is solid, supporting up to 400 pounds.
Conclusion
Both covers boast unique perks, with BAKFlip MX4 flaunting a tough, multi-layer construction for ultimate weather protection, while ArmorFlex shines with its lightweight Linex finish for dent and scratch-free truck bed protection. To make your selection even tougher, these two covers are both in the same range. If you are a previous owner of a BAKFlip tonneau cover you might want to stay with a brand that has treated you right, or maybe the Undercover ArmorFlex offers enough to make you switch.
This is a tough choice, and with five-year warranties on both, you can’t go wrong with either one.
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