Can I Fit The Thule Force XL Cargo Box On My 2026 Lexus RX 450h Plus With TH28PG  

Question:

Expert Reply:

Hey, Denis!

The Thule Force XL will fit on on the Thule cross bar kit part # TH28PG however, there are two measurements needed to confirm clearance. I tried looking up the information to answer this for you, but I wasn’t able to find the exact specs for your vehicle.

Since your 2026 Lexus RX 450h Plus has fixed mounting points, we’ll use those to get the measurements. The first one I need is the distance between the fixed mounting points, this will be your crossbar spread. For the Force XL to fit properly, this needs to be between 23-5/8" - 35-1/2".

The second measurement I’ll need is the distance from the front fixed mounting point to the line where the roof meets the rear hatch. To be able to open your hatch fully, this distance must be 53-5/8" or less.

I’ve attached photos to show exactly how to take both measurements.

expert reply by: Gwendolyn Y

0

Crossbar Spread
(click to enlarge)

Rear Hatch Clearance
(click to enlarge)

Gwendolyn Y.

12/29/2025

Hey Denis, were you able to get those measurements for your Lexus roof and check the fit of the Thule Force XL on the Thule cross bars? Knowing how it turned out could help others setting up a similar cargo box.