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Tire Load Ratings vs Tire Width

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13 Nov 2025 16:17 - 13 Nov 2025 17:00 #262715 by iac27
I started asking this in one of my threads but I think it's probably worth a separate discussion. In North American, tires on 16" rims that are skinnier (less than 9.5" wide) are typically for bigger trucks so they usually have a load rating of 110-120 and are 10 ply. If you drop to a 15" rim you can get a 30x9.5 (or 235/75r15) in a load rating of 104-106 with 6 plies but the tire is a bit wider. Which would be better for a jimny assuming it didn't matter if you have a 15 or 16" rim.

For an example the Toyo open country AT III is available in a 215/85r16 which would be ideal but has a load of 115 and a weight of 39 lbs.

2006 JB43 from Japan // 215/70R16 Toyo AT3's with 2" RPG lift // Castor corrected front arms front and bushings back // high clearance plastic bumpers // adjustable panhard bars
Last edit: 13 Nov 2025 17:00 by iac27.

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13 Nov 2025 17:51 #262716 by DrRobin
A standard Jimny runs tyres with a load rating of 96, so 104 - 115 is already a fair bit higher than standard.

Even at 104 you are probably well within the total payload (all up weight) of a Jimny, so going for higher load rating, on it’s own, doesn’t make much sense.

The downside of higher load rating is tyre weight, heavier tires make the vehicle less nimble, increase fuel consumption and make the suspension work harder, so generally it’s best to avoid unnecessary tyre/wheel weight.

As regards which is best, that depends on your driving or more what you drive on? Probably for a light weight like a Jimny, tall skinny tyres would be good all rounders, but we can’t get them here so have to compromise between taller tyres and not too much width.

2020 blue SZ5 (one of the last to be registered in the UK)
Ex 2011 Blue Jimny SZ4
Northumberland Jimny Blog

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