This site give you the difference between sizes, example of 150 vs 160. Might come in handy when traveling and finding you need tires that dealer does not have your size, at least you have a way to judge how might it might effect handling. I am not recommending changing sizes, just information. By the way Dunlop has $100 on Roadsmart 3 this month.
https://www.tacomaworld.com/tirecalc?tires=150-70r17-160-70r17
https://www.tacomaworld.com/tirecalc?tires=150-70r17-160-70r17
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