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Old 01-31-2024, 03:40 PM   #8 (permalink)
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Originally Posted by Ecky View Post
I read this question as asking about wheel diameter with a fixed outer tire circumference. For example, in the 5th gen Prius, you can get them with either 17" or 19" wheels, but both come fitted with tires that result in virtually the same rolling circumference.
Exactly. The 16 inch wheels also have the same circumference. Just more rubber for a better ride and less chance of wheel damage. The overall weight for the 16 inch set up will be less than the 17 inch one

Tesla shows in their ranges about 20 miles of range added when downsizing

And Prius 19 inch highway wheels go from 50 mpg highway up to 54 highway when dropping down to 17 inch wheels
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