Join Date: Jul 2006
Location: Batesville, Indiana
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Re: P vs. LT tires?
P = p-metric or passenger car tire (also used on SUVs and 1/2 ton pickups)
LT = light truck tire (some people use them on 1/2 tons but mostly 3/4 & 1 ton pickups)
As 1983FJ60 said, the LT is beefier in general, firmer, more weight carrying capacity . . . and they often have many more plys (twice as many in many cases) and are generally more resistant to punctures, cuts, etc.
If I remember correctly, a P tire is up to 4 plys and LT tires come in C (6 ply), D (8 ply), and E (10 ply) weight carrying capacities and allow higher air pressures. Some P rated tires come in an "extra load" version which handle more load than a standard P tire. LTs are heavier and the extra weight will affect mileage. Many run them at lower pressure for a softer ride but then that also eats into mileage.
Unless you off road quite a bit and feel you are pretty abusive of your tires, a P tire is all you need.
FJ Summit Co-Director since 2013 email: james at fjsummit dot org
2008 Sandstorm FJ Cruiser
2019 White TRD Premium 4Runner
I am the Woodsman...the four-wheelin', tree-farmin', custom-furniture-makin' descendant of Olaf "The Woodcutter"
Last edited by Woodsman; 09-27-2008 at 05:43 PM.