Biggest legal tire size for a disco 4

I have just starting running the Hercules Terra Trac II AT2 LT265/65R18 122/119 Load Index tyre.

Hercules Tires

So far only around town use but super quiet, good road holding and NO RUBBING at any height or full lock. Less than $300 each fitted and balanced.

Spare fitted underneath but did need to be deflated. On the website they list them as 801mm (31.54inch) and the speedo is now spot on with GPS speed checking at every speed test so far.

Keen to give them a test in a couple of weeks and give some feedback

They also list a 275 (32.09) and 285 (32.56) in 65 series for 18" wheels on the USA site, suitable for our D5 friends

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Originally Posted by apom

I have just starting running the Hercules Terra Trac II AT2 LT265/65R18 122/119 Load Index tyre.

Hercules Tires

So far only around town use but super quiet, good road holding and NO RUBBING at any height or full lock. Less than $300 each fitted and balanced.

Spare fitted underneath but did need to be deflated. On the website they list them as 801mm (31.54inch) and the speedo is now spot on with GPS speed checking at every speed test so far.

Keen to give them a test in a couple of weeks and give some feedback

...

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I'll check 'em out.

Costco quoted my $306 for 265/60 Dueler (Bridgsetone) tyres; and $362 for BFG Ko2 265/60/18 , and $364 for the BFG Ko2 265/65/18. The 65 seems much better value compared to the 60.

I have also thought that I could always put a smaller tyre under the Disco, with air in it. My 2014 Disco disco does not have a locking diff. With a locking rear diff, a different diameter tyre would be somewhat of a problem. But I cannot see a problem with the standard Disco's floating rear diff. I could put the punctured 265/65/18 onto the roof as well. Probably a less dirty job than crawling under the Disco. I have had a 6th tyre on the roof. I don't need anything else up there, but there's room for a 2nd tyre.

275/65r18 fits deflated no problems. Don’t need to remove heat shield. Don’t need to grind tow thingie (nitto ridge grapplers)