Tire pressures seem s to come up a lot on these pages. Ive given a professional opinion every time. Like many have said here, the rear tires wear out at lower tire pressures- under 25 PSI, its too low is what the tire is telling you. The front dont wear out on the side edges because they are the steering tires and roll over on turns. They still wear out quicker with the lower tire pressure, just in a different way. 4 passenger cart owners should keep the tire pressures higher, biggest complaint is the car " wollows" dead give away every time that the tire pressures are too low. Bottom line most people keep the tire pressures too low and the tires wear out.
With the right tire pressures, tires will go 20k miles and you never have to rotate.
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