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It's a question often discussed here. For me, the answer is always the same. The correct inflation pressures for your OE tires is what has been recommended by the vehicle manufacturer. The vehicle manufacturer's recommended cold inflation pressures are depicted on the vehicle certification label, tire and load label and in the vehicle owner's manual. Unless; there is optional/supplemental recommendations from the vehicle manufacturer.
That statement or one like it will be found in every reference you ask for when hunting for your vehicle's correct inflation pressures.
Optional inflation pressures between vehicle manufacturer cold recommendations and tire sidewall maximums is at the discretion of the consumer.
The USTMA supports the vehicle manufacturer's recommendations by stating that your tire inflations should NEVER be lower than what has been recommended by the vehicle manufacturer.
NOTE: The tire manufacturer will list, on the tire sidewall, the maximum permissible inflation pressure needed for that tire to provide its maximum load capacity. It's not a recommendation. It's intended to be informational.
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