The Honda Jazz is a supermini / small mpv-hatchback (crosstar variant a mini-crossover) that, on current UK trim, uses a bare roof on standard jazz; factory rails on crosstar for roof accessories. The standard Jazz has a bare roof needing clamp-on bars; the Crosstar crossover trim sits 30 mm higher with factory roof rails. That single classification determines almost every other decision, which brand’s fitting kit lists your car, whether the crossbars sit low and quiet or up on visible feet, and how the kit clamps down.
Two load figures do most of the work when picking bars. The dynamic load rating is what the rack can carry while the car is being driven and is usually 50 to 75 kg on passenger cars; the static rating is much higher and applies while the car is parked, which is where roof tents live. Both figures sit under the vehicle’s own roof-load rating printed in the handbook, and that owner’s-manual figure is the number an insurer would look at after a claim.
Motorway noise is worth thinking about too. Round or square bars are cheaper and no less safe, but they whistle noticeably above 60 mph; aero-shaped bars cost more, run quieter and cost a fraction less at the pump when empty. If the Honda Jazz is a daily motorway car, aero bars usually earn their keep; if the rack comes out a handful of times a year, plain bars do the job.
Frequently asked questions
What roof type does the Honda Jazz have?
On UK cars this is bare roof on standard Jazz; factory rails on Crosstar. The standard Jazz has a bare roof needing clamp-on bars; the Crosstar crossover trim sits 30 mm higher with factory roof rails.
What is the difference between dynamic and static load?
Dynamic is the maximum load the rack can carry with the car being driven, the smaller of the two figures. Static is the parked figure, and roof tents must respect it. Both are still capped by the vehicle’s own roof-load rating.