Toyota Sienna Roof Cargo Box Buyers Guide

When you bought your Sienna, you probably thought this car would give you all the space you could possibly need, forever. 

Then once you exploited this feature, you now find you need more. And now you are here, trying to find the Best Cargo Box for your Toyota Sienna.

Well, don’t worry. We have searched and scoured and found the best cargo boxes available on the market today.

We’re here to help you find the perfect box that can carry all your gear as well as being good value, safe and secure. 

Remember, if you have any questions you can easily get in touch with us via the form on our contact us page.

Swipe the table!
Volume Size Opening Our Rating
Thule Motion XT XXL 22
cu ft
L: 90"
W: 36" H: 20"
Both sides
Yakima Skybox Carbonite Cargo Box 21 cu ft L: 81"
W: 36" H: 15
Both sides
SportRack Horizon Cargo Box 17 cu ft L: 91"
W: 31" H: 17"
Passenger
INNO Shadow 11
cu ft
L: 83"
W: 36" H: 14"
Both Sides
Thule Force XT Sport 11 cu ft L: 75"
W: 25" H: 17"
Both Sides

A little about the Toyota Sienna

Generally, the Toyota Sienna comes with roof rails. This applies to the 98 plate models onwards. So if you have just found yourself looking for roof storage options for your car, this is one thing that you need not think about!

The Sienna’s have a rooftop carrying limit of 220lbs. So consider how much the stuff you want to take weighs and add on the weight of the rack and any rail accessories before you buy.

It would not be useful to buy a hefty box and then find you can only put a few things in it. Also, you don’t want to damage the roof of your Sienna from having to carry more weight than it can bear.

So now let’s take a look at our top 5 cargo boxes.

The Best cargo roof boxes for Toyota Sienna

#1 Thule Motion XT XXL Cargo Carrier

This aerodynamic, spacious, and sleek roof-mounted box is so easy to use and looks the part!

Weighing 55lbs and available in two colors, with a 610L volume (or 22 cubic feet) it can store everything you and your family could possibly need.

However, if you plan to travel light, then maybe the 16 or 18 cubic feet model box would be a better option for you.

The dual side opening makes accessing your gear nice and easy. The integrated torque indicator snaps with a distinct sound when the box has been adequately mounted – guaranteeing a secure fit. 

The box will not sit in the way of your rear door opening, and the Slidelock system will automatically lock the lid when the box is securely closed. Safe, sleek, and simple – a winning choice.

  • Easy to open/close irrespective of weather conditions
  • Grip friendly outer handles and supporting lid-lifters
  • Load capacity 75kg

To find out more be sure to check out our Thule Motion XT review and Guide.

#2 Yakima Carbonite Skybox

This is a stunning box and weighs 75 lbs. But it has a low load limit considering its size. This box offers 21 cubic feet in volume. 

Bear in mind that the Thule is smaller, but the weight load capacity is much more.

The product benefits from dual-sided opening and a super latch for easy opening or closing. It has a lovely tapered design which reduces hatch interference. This is a tool-free installation product. 

It is also available in smaller sizes if you would like something a little lighter from Yakima.

  • Tool-free installation
  • 21 cubic feet
  • Load capacity 28kg

#3 SportRackHorizon XL Cargo Box

This cargo box doesn’t look as sexy as some of our other picks, but it is highly durable and hard-wearing.

Its volume is 17 cubic feet, and it comes with a quick-release attachment kit for easy mounting and removal. It will fit on round bars, square bars, and most factory racks. It is made from impact-resistant ABS material.

There is also the Horizon Alpine or L for those of you looking for something smaller. This weighs 44lbs.

  • Durable and hard-wearing
  • One side opening only on the passenger side
  • Load capacity 50kg

#4 Inno Shadow 16 Cargo Box

This is a beautiful box. It is simple to mount and has a diffuser design for a much quieter drive. We are big fans of the dual-sided opening, and this is another product with this feature.

Aside from the Sienna, it will also fit SUVs, Mini Vans, and Wagons. This product range includes the new memory mount system from Inno, for easy installation. It weighs 42lbs and has a capacity of 13 cubic feet. The interior dimensions are 72 x 25.6 x 11 inches.

  • Aerodynamic design
  • Dual opening ability
  • Load capacity 110lb

#5 Thule Force XT Rooftop Cargo Box

With 11 cubic feet capacity, this box boasts its ability to fit a wide range of vehicles, but we love how it looks on our Sienna.

It is the smaller of our top picks, yet it looks so sleek that we could not afford not to bring it to your attention.

As with all Thule Boxes, this one uses a Power Click quick-mount system to allow easy loading to your car roof. The integrated torque indicator snaps with a distinct sound when the box has been adequately mounted – ensuring a secure fitting experience.

The lock knob means it is smooth to open and close. This also helps you avoid damaging the Thule Comfort Key. Another cargo box with a dual-sided opening providing easy access, from either side of your vehicle. 

Because the box sits slightly forward on your roof, this still gives you full trunk access with little or no risk of contact with your box. This product weighs 32lbs.

  • Secure clicking mounting systems
  • Light and sleek
  • Load capacity 165lb

Conclusion

So now you have our top picks, but you also have our thought process behind how we decided which products were fit for purpose.

It is always easy to note the positives of any cargo box, but we have also tried to include some points to direct your thought process towards thinking about whether the cargo box is right for you.

There are so many cargo boxes available it can be tough to pick one. Think about the weight of what you need to take on your trip. Consider how much the box itself weighs too. It needs to be weather-resistant and secure.

We hope you have found this article useful and that it has helped you on your way to buying the Best Cargo Box for your Toyota Sienna.

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