man is packing a Roof Box For Toyota Sienna

Do you need more space from your Toyota Sienna? If so, buying a new roof cargo box is a great idea. These items can give you much more usable storage space. Roof boxes are also great for ensuring that your passengers have more room to move around.

This blog post will help you find the best roof box for Toyota Sienna based on weight, height, and number of items it accommodates so that you can make a more informed decision when purchasing one.

The thing is, there are many roof cargo boxes on the market. With so many choices, how do you find the roof box that’s right for you and your Toyota Sienna? Fortunately, you’ve come to the right place.

In this post, you’ll find out:

  • How we came up with our picks for the best Thule roof boxes.
  • What the best Thule roof boxes are for a Toyota Sienna.
  • How to properly install a Thule roof box.

Are you ready to get started? Good, let’s go!

The Best Thule Cargo Box for a Toyota Sienna:

Usually, we like to give you a list of popular and top-rated roof boxes from a wide range of companies. But, in this post, we’re going to do something a little different. Because our readers love using Thule roof boxes on their Toyota automobiles, this list will feature only roof boxes from Thule.

Because there are so many available roof boxes from Thule, we wanted to only include the best Thule roof boxes on this list for a Toyota Sienna. We hope you enjoy this list that is the product of extensive research.

If you’re not a Toyota Sienna owner, we do have other lists for roof box picks for Toyota automobiles. Here’s a guide we recently published about the best roof cargo box for a Toyota Highlander. If you’re ready to learn more about the best Toyota Sienna roof boxes, let’s get started.

1. Thule Vector Rooftop Cargo Box:

Our number one pick for a Toyota Sienna roof box is the Thule Vector. The Thule Vector Rooftop Cargo Box is an aerodynamic cargo carrier that is also very sleek. Plus, the Thule Vector looks great on top of a Toyota Sienna.

As you’ll see with almost any Thule item, using this roof box is incredibly easy. It features a slide-lock system. This system will automatically lock your roof box’s lid in place until you manually close it. The Thule Vector also features a dual-side flush-mount closing system. With this system, you and your passengers can easily access your cargo.

Plus, installing the Thule Vector Rooftop Cargo Box is incredibly easy. This is because of Thule’s tool-free, quick-mount system. When you hear your roof box audibly click into place, you’ve properly installed it.

This roof box can comfortably fit three to four snowboards or three to five pairs of skis. As long as your item is no more than 200 cm in length, it should fit perfectly fine in this rooftop cargo box. This roof box also features a felt-lined interior to provide a safe space for all of your cargo. Another cool benefit of this rooftop cargo box is that it features LED lighting. With these bright lights, you’ll never worry about having a hard time finding your stored items during the night. 

The Thule Vector Medium can support up to 165 pounds of weight. It weighs 59.3 pounds. The medium version of the Thule Vector is 83.5 inches long, 34.5 inches wide, and 14 inches tall. 

The Thule Vector Alpine is a little larger than the medium version. However, it still supports the same maximum weight capacity of 165 pounds. This item is a little heavier, weighing in at 65.9 pounds. It is 91 inches long, 35 inches wide, and 12.5 inches tall.

2. Thule Force XT Rooftop Cargo Box:

Another popular roof box option is the Thule Force XT Rooftop Cargo Box. Thule always does its best to go above and beyond for its customers. This is why the Thule Force XT is available in three different sizes: Sport, L, XL, and XXL. Each of these sizes can support a maximum cargo weight of 165 pounds.

This roof box also features Thule’s quick-mount system, which clicks in place. Plus, it also offers a dual-side opening to help you gain easy access to your stored cargo.

The Thule Force XT Sport offers 10 cubic feet of space. It’s capable of fitting items with a maximum length of 175 centimeters. The dimensions of this roof box are 74.75 inches long, 24.75 inches wide, and 16.75 inches tall. It weighs 32 pounds.

The L edition offers 16 cubic feet of total storage space. It’s also a little wider and slightly taller than the Sport edition. This roof box is 74.75 inches long, 33 inches wide, and 18 inches tall. It can also carry items up to a maximum of 175 centimeters in length. This roof box weighs 41 pounds.

The Thule Force XT - XL provides you with 18 cubic feet of storage volume. It weighs 47 pounds and can fit items up to 195 centimeters long. The XL edition is 82.75 inches long, 33.75 inches wide, and 17.25 inches tall.

The Thule Force XT - XXL weighs 52 pounds. It can fit items up to 215 centimeters in length. This roof cargo box is 90.5 inches long, 35.5 inches wide, and 18.5 inches tall.

3. Thule Sidekick Rooftop Cargo Box:

Not everyone needs extensive space when selecting a roof box. You might also be looking for a roof box that doesn’t take up lots of room on your vehicle’s roof. If this sounds like you, it’s time to learn about the Thule Sidekick.

The Thule Sidekick Rooftop Cargo Box is extremely lightweight, only weighing 3.7 pounds. However, it’s still able to provide you with up to 10 cubic feet of storage space. This roof box is great for carrying bulkier items like your golf clubs or sleeping gear.

This roof cargo box opens from the passenger side. It also comes with sturdy u-bolts and reinforcement plates. With these features, you’ll have an easy time installing and securing your roof cargo box.

This roof cargo box has a maximum weight capacity of 75 pounds. It is 54 inches long, 25 inches wide, and 15.5 inches tall.

4. Thule Pulse Rooftop Cargo Box:

It’s also wise to consider taking a closer look at the Thule Pulse Rooftop Cargo Box. This roof cargo box features more of a rugged design that looks great on a Toyota Sienna. With its fast grip quick-mount system, you can install this Thule Pulse roof box in only five to ten minutes. 

What’s also cool is that this roof box comes with a Thule comfort key. You can only take this key out after closing all locking points. While it might sound small, this feature is great for keeping your items safe. Each product in this line has a weight capacity of 110 pounds.

This roof cargo box is available in three different sizes: Alpine, Medium, and Large. Here’s a closer look at how each size differs from one another.

Thule Pulse Alpine

  • 11 cubic feet of storage space
  • The maximum length of items: 210 centimeters
  • Dimensions (length x width x height): 88.5” x 25.5” x 12.5”
  • Product weight: 30 pounds

Thule Pulse Medium

  • 14 cubic feet of storage space
  • The maximum length of items: 155 centimeters
  • Dimensions (length x width x height): 67” x 35” x 16”
  • Product weight: 34 pounds

Thule Pulse Large

  • 16 cubic feet of storage space
  • The maximum length of items: 181 centimeters
  • Dimensions (length x width x height): 76” x 33” x 16.5”
  • Product weight: 34 pounds

5. Thule Motion XT Rooftop Cargo Carrier:

If you’re looking for a large roof cargo box, then here’s more information about the Thule Motion XT Rooftop Cargo Carrier. This roof box provides you with 22 cubic feet of storage volume. It has a total load capacity of 165 pounds.

With the quick-mount installation system, you’ll hear a familiar click sound when this item is properly installed. The Thule Motion XT also features a dual side opening, allowing access from the driver and passenger sides of your Toyota Sienna.

This item weighs 55 pounds. It’s 9.15 inches long, 37.5 inches wide, and 18 inches tall.

How Do I Install a Thule Roof Cargo Box?

The first step is to take your roof box and place it on top of your car. Next, open the roof box and place the U-bolt mounts on the pre-designated areas of this item. Now, you’ll want to twist the tops of the U-bolt until you hear a click sound.

If you’re more of a visual learner, you can also check out these detailed, step-by-step instructions from Thule’s official website.

How much weight can a Sienna roof hold?

Sienna roofing is designed to handle extreme weather conditions, but how much weight can it hold? You might be surprised!

The Toyota Sienna has a maximum 165 pound capacity, and you need to evenly distribute the load. The bar is 53 inches long with end caps at 1-3/4 inch each (54 3/4 inches total), centered on 38 inch rails which are variable in length of up to 38".


We hope you enjoyed this information and that it helps you find the best Toyota Sienna Thule cargo box! For more information about the top-rated roof boxes, check out By visiting this website, you can learn more about the most popular roof boxes for a wide range of automobiles. We also have lots of guides that will help you choose the right roof box.

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