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Thule Sonic XXL 636S Cargo Box


Brand Thule

The Sonic XXL from Thule is a convenient way to store your belongings while saving space within your vehicle for friends. The Sonic XL is aerodynamic to reduce wind noise and drag, and the dual-side opening hinges let you access your cargo from either side of your vehicle. Get the most the most space out of the Sonic series with the XXL cargo box, which has a volume of 22 cu. 


  • AeroNose design provides maximum aerodynamics to reduce drag and noise, and making this the most aerodynamic cargo box available
  • Rear-Angled Base and wide vehicle mounting points help to maximize trunk and hatch clearance
  • AcuTight Mounting "clicks" when an optimal hold is achieved to ensure the box is secured tightly to the rack
  • SecureLock ensures cargo is safely locked and stored prior to driving
  • Dual-Side opening lets you load and unload from either side of your vehicle
  • Fits Thule rack systems, round bars, and most factory racks
  • 2 one-key locks are included to secure box contents and the box to the carrier
  • NOTE: Limited quantities as this model is being phased out.
  • Download Thule Sonic XXL Installation Manual


Length: W 37.50" x H 17.00" x L 100.50"
Weight: 63 lbs.

# 636S

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