2015 Grand Cherokee Overland tire change

Hi all.
Just bought a Grand Cherokee Overland diesel.
It comes standard with 20” rims.
I would like to fit Cooper STT Pro muds
What would be the correct rim and tire size to buy
Thanks


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How tall is the tire now? In a standard measurement, not metric. Measure from the ground to the top tread. Are you planning on going bigger or keeping it about the same size?

Would like to keep the height as close as much to the standard height and slightly broader. Height is at 70cm from ground to top of tread


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Do they not sell them in the oem size? Or are you looking to go bigger? I run the oem size Nitto Terra Grappler G2 on my ‘15 Summit with the oem 20” wheels. They perform great.



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Beast SA said:

Would like to keep the height as close as much to the standard height and slightly broader. Height is at 70cm from ground to top of tread


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Click to expand...

70cm is about 27.5 inches. In the chart below, Cooper only makes 2 sizes close to that for the STT Pro. A 30x9.5R15 and a 225/75R16, however both are actually taller. Also, the measurements in the chart are not with the weight of the vehicle on them.

Eddie and Cindy run the 225/70R16 on their Jeep Renegade and it is 28.5" (72.4 cm) with the weight of the vehicle on it: https://wayalife.com/showthread.php...-SIZE-Database?p=663526&viewfull=1#post663526

And most important, you have to make sure that your new wheel size will clear your brake caliper and rotor.