Posted by Abigail Lloyd-williams on May 24, 2018

Please could somebody advise me of the correct tyre pressures for a Nissan Pathfinder 2007(UK) with 275/45R20 tyres. I frequently use it to carry approximately 250-300kg of animal feed spread along the load area. TIA

Answers / Replies
  • Posted by Serge on May 24, 2018

    Recommended tyre pressure for 2007 Nissan Pathfinder with 275/45R20 tyres should be around 2.4 - 2.6 bar since this is a plus tyre size. Check recommended tyre pressure for original tyres here - 2007 Nissan Pathfinder tyre pressure. As for carrying extra weight, check tyre inflation charts for metric and P-metric 275/45R20 tyre sizes here - 275/45R20 and P275/45R20. Hope this helps!

  • Posted by Jadatis on May 25, 2018

    The pressure list Serge gives for P275/45R20 is made with the old American formula. As late as 2006 American TRA stepped over to the calculation that European ETRTO already used since decades for all kind of tires up to truck tires even. So forget the P list and only use the euro-metric list ( without P in front of sizes) . Because Europe standard load uses 36 psi and America 35 psi to calculate max load for 160 km/h or 99 mph. European tyres of same size have mostly 1 load index higher. Most tyres of these low hw division of 45 are XL/ EXTRA LOAD / REINFORCED which are calculated in max load for Europe 42 psi / USA 41 psi. Googled for the size and gave load index 110 for XL so this LI 106 is the standard load. So you can use the euro-metric list given. And mind that load capacity is given for up to 99 mph, for higher speed there is a system of increasing up to 36 psi. But who drives faster than that?

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