Best Tonneau Cover For GMC Sierra

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Last Updated on May 24, 2022

Top Pick: BAK BAKFlip MX4

If you are looking for a Tonneau Cover for GMC Sierra and you don’t have the time to shop around, go for this one. Overall its performance and build quality are better than most others.

Do you drive one of the latest models of GMC Sierra? If you didn’t buy the base model of GMC Sierra (2018-2022), you have the multipro tailgate. This tailgate has multiple modes that help with different scenarios, hence the name multi-pro.

We’ve prepared this article to help you choose the best tonneau cover for GMC Sierra, it’s also going to work with multipro tailgate. All the GMC Sierra models don’t have the same tailgate. So, you can’t just buy any tonneau cover that fits onto the GMC Sierra. In this article, we will review the 3 best tonneau covers for your GMC Sierra.

Before starting the review part, here are some things you should ensure in your tonneau cover:

  • Good build quality with high-quality materials.
  • Choose a tonneau cover with an easier installation process.
  • You should always choose a bed cover that is easy to use.
  • A good tonneau cover must provide good security and weather protection.

You should always ensure these qualities in a tonneau cover. These are more like must-have features for any tonneau cover. After ensuring these things, you should look for other features you would like to have in your tonneau cover.

In the next part of this article, you’ll find all these details. So, head into the review part and choose the best tonneau cover for your GMC Sierra.

Top 3 Best Tonneau Cover for GMC Sierra Review

In this article, we will describe all the features of each product. In this way, you’ll know all the details about the products. We’ll also include any bad sides (if that product has any), to let you know what are you getting into. We’ve included the pros and cons for each product to give a summarized idea.

1. BAK BAKFlip MX4 Hard Folding Truck Bed Cover

Type: Hard Folding
Material: Aluminum
Exterior: Chrome, Painted, Polished
Lock Type: Tailgate
Fits: 2019 -2022

BAK industry makes different kinds of tonneau covers for various vehicles. This company has a well-maintained reputation for making quality and durable tonneau covers. This hard tri-fold tonneau cover is built to work with a multipro tailgate. It is available for all the bed sizes of GMC Sierra.

BAKFlip MX4 is well-built and the material choice makes it durable. It comes with an aircraft-grade aluminum frame with a black powder coating on top. The top panels are made from aluminum with the BAK industry’s heavy-duty premium density core.

Installing the MX4 is not as hard as other hard folding tonneau covers. You won’t need any drill or professional tools to install it. You’ll be able to install it with just a wrench or a socket within 15-20 minutes.

This tonneau cover is foldable in four different positions. All four positions are automatically locked by the integrated latching system. You can get 100% access to your truck bed while the cover is in the fully open position. You can drive your vehicle in all four locked positions.

The latching system also locks the cover on the tailgate side. It unlocks with a pull cable underneath the cover. So, when you lock the tailgate, your cargo is completely secured.

MX4 seals well against any weather. It has two integrated drain tubes to drain the water out. If you don’t have any drain holes, you’ll need to drill two holes for the drain pipes. The top panels of this cover are matte finished. It resists scratch, rust, and UV while giving a premium look.


  • Well-built and durable
  • Easy installation
  • Integrated latching system and drain tubes
  • Good sealing and maximum security
  • Offers many useful features


  • The drain channels can leak some water while driving in a heavy rain

Verdict: MX4 has a solid build and material quality which ensures high durability. It is easy to install and super easy to use. It offers good weather protection and maximum security along with many extra features. There are no tonneau covers in the market that offers this much. It is our choice as the best tonneau cover for GMC Sierra.

2. Gator ETX Soft Roll Up Bed Cover for Truck

Type: Soft Roll Up
Material: Vinyl
Exterior: Leather Grain Textured Vinyl
Lock Type: Tailgate
Fits: 2019 -2022

Gator makes tonneau covers for pretty much all the pickup trucks available nowadays. The company also offers other tonneau covers for GMC Sierra. We’ve selected the ETX (soft roll-up) from those options. It is available for both the 5’10” and 6’7” bed sizes of Sierra.

This soft roll-up tonneau cover is built well. It is made with quality materials as well. As the top covering tarp, Gator used high-quality leather-grained vinyl. The side rails of this bed cover are made from sturdy aluminum.

It is very easy to install the ETX. You won’t need any drill to install it, you’ll need a wrench or socket though. You will need about 15-20 minutes to install this tonneau cover.

Click here for the installation process of Gator ETX.

This tonneau cover locks with an automatic trigger latch on the tailgate side. Pulling the trigger on the drivers side will unlock the cover. This trigger isn’t accessible when the tailgate is locked.

This tonneau comes with integrated rubber seals on every side. It will seal well against any weather conditions. There is an industrial-grade Velcro on each side to secure the cover with the side rails. It also has multiple integrated metal bars for a better support and adjustable tension control to keep the vinyl tight and wrinkle-free in any weather.


  • Easy to install and use
  • 100% bed access
  • Quality material and build
  • Adjustable tension control
  • Good sealing


  • Only two modes (fully open or fully closed)
  • Can drain some water while raining

Verdict: Honestly, the best thing about this tonneau cover is its price. It is well-built, featureful, and offers good weather protection and security. There are many soft roll-up tonneau covers on the market. You won’t find a second one as good as this in this price range. This is our pick as the best budget tonneau cover for GMC Sierra.

3. RetraxPRO MX Retractable Truck Bed Cover

Type: Retractable
Material: Aluminum
Lock Type: Tailgate, Key
Fits: 2019 -2022

This company makes premium tonneau covers for various vehicles. Retrax offers only two main lineups of products (Polycarbonate series and Aluminum series). We have selected the RetraxPRO MX Retractable tonneau cover. This is the base product of their premium aluminum series.

RetraxPRO MX is from the premium aluminum series. The top covering part is constructed with industrial-strength aluminum slats with a resilient matte finish. The side rails are also made out of aluminum. This material choice makes it solid and durable.

It is a low-profile tonneau cover and fits flush with the truck bed. The top cover glides effortlessly as it has a sealed ball-bearing roller system. The storage container (canister) has a spiral track system to store the top part. The cover doesn’t come into contact with itself. So, no worries about getting stuck while opening or closing.

Retractable tonneau covers aren’t the easiest to install. This one is comparably easier than most other retractable tonneau covers. You’ll need a number 2 Phillips screwdriver, a 9/16” or ½” wrench, and a pair of pliers. You’ll need to drill two holes in the truck bed (if there is none) for the drain tubes.

You’ll get excellent security by using this retractable bed cover. It has a built-in latch lock at the tailgate side which locks with a key. It doesn’t require you to unlock the tailgate to open or close the cover.

The weather protection is also very good. The aluminum slats don’t have any gaps between them and Retrax provides weatherstrips for every side. The tonneau cover also allows you small adjustments if there is any gap on the sides.


  • Excellent build and material quality
  • Easy to use
  • Durable and sleek looking
  • Great security and weather sealing


  • Not so easy to install
  • You have to manually push the cover to open and close

Verdict: ReTraxPRO MX offers all the necessary features you need along with some extra features that will come in handy now and then. It is well-built with good materials, it offers great security and weather protection. If you don’t have any problem with the premium price, this is the best retractable tonneau cover for GMC Sierra.

Best Tonneau Cover For GMC Sierra

Final Words

These were our selected products for GMC Sierra. We have selected these according to their build quality, material, ease of installation and usage, security, weather protection, and other features. We have also considered hundreds of user opinions and their experience with those tonneau covers.

If you want the best tonneau cover for GMC Sierra, go for the BAKFlip MX4. It is the absolute best choice in every way. If you are concerned about the budget, buy the Gator ETX. It costs lesser than many competitors and covers every aspect of a good tonneau cover.

If you don’t have any problem paying a premium price, you should choose the ReTraxPRO MX. We picked this as the best premium tonneau cover for GMC Sierra. This tonneau cover deserves a price tag like that.

Read Also:
List of top truck bed covers Nissan Frontier

Author: Charles King

Charles King is an automotive enthusiast with a keen interest in the latest technologies and products. He likes to educate himself and help other car lovers by sharing his knowledge. This website is a place for him to share his thoughts and experiences.

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