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Face it, an overstuffed cabin makes even the swiftest road trip feel as slow as molasses. Even if we had supersonic cars to whiz us coast-to-coast in hours instead of days, we'd still need to stow our super-sized load of stuff. Well, with the Thule Sonic Cargo Box riding up top, your gear stays out of the way and you look like you're traveling at the speed of sound—even if you're cruising the speed limit.

Featuring an Aeronose and an angle-cut back, your Thule Sonic Rooftop Cargo Box slips right through the wind—silent and sleek. What's more, the AcuTight Mounting system installs to most factory or aftermarket racks and makes a distinct “click" once secured. And, thanks to the dual side opening box design, packing and unpacking is a breeze from either side of your ride. Plus, the oversize SecureLock keeps your valuables safe and is easy to use even with gloves.

If you need a lot of room or just a little extra space, the Thule Sonic Roof Cargo Box has you covered. Available in 4 sizes ranging from petite to the gargantuan, there's one for every road trip. And, it's available in your choice of black of silver to accent your topside style. Best yet, Thule builds it from advanced ABS, coats it with a high-gloss automotive finish and backs it with a Lifetime Warranty.

Thule Sonic Cargo Box Customer Reviews

Average Rating

36 Customer Reviews

Thule Sonic Cargo Box

Reviewed by Theodore H (Glenwood Springs, CO) Reviewed for a 2017 Subaru Outback — Feb 15, 2017 8:58 AM

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Sleek, ingenious, easy to mount, but material is too weak and the lock and key are cheap.

Very pleased

Reviewed by Nicole L (HUDSONVILLE, MI) Reviewed for a 2012 Subaru Outback — Nov 17, 2016 10:31 AM

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Bought size medium because large was out of stock. Love it! Product is exactly as described: sturdy, very easy to use, and looks sleek. I think this is a good size for my Subaru Outback. Also found the online chat feature to be very helpful.

Thule Sonic XL for a Town and Country

Reviewed by Ramiro C (Bryn Mawr, PA) Reviewed for a 2014 Chrysler Town and Country — Jun 30, 2016 8:30 AM

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Product arrived on the previously agreed timeline ( not many options to choose from) and with no defects Easy to handle. Don't have references of competitors to compare with but the product is nice and has good quality and finish. Almost unnoticeable while driving which was a positive surprise. Put it in anTown and Country and our average MPG in our trip to the Outer Banks fully loaded was 24 MPG. Capacity wise is what I expected. Relatively flat but you can put in there sport gear.Very happy

Perfect for Grandparents

Reviewed by Nancy M (KERRVILLE, TX) Reviewed for a 2011 GMC Acadia — Jun 11, 2016 9:01 PM

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Each summer we meet our children and collect our grandchildren for a few weeks visit. This Thule allows us plenty of room for the kid's luggage and assorted things leaving the car roomy for their comfort. We think this is a great investment.

AWESOME

Reviewed by Dale S (Frisco, TX) Reviewed for a 2014 Volkswagen Jetta — May 01, 2016 5:42 AM

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I never thought I would buy one of these until a stray dog showed up & stayed. What? We use my wife's 2014 Volkswagen Jetta SportWagen TDI for medium range travel. Now with two dogs it became necessary to rethink our operation. A new larger vehicle was out of the question. This was the PERFECT solution. It arrived undamaged in what could be the largest, most sturdy cardboard box I've ever seen. Installation was straight forward & our first trip was a success.

Thule Sonic Cargo Box

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  • $569.95 - $659.95 each
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