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Originally Posted by Chuck Biscuits
I am also contemplating moving up to 14" or 15" wheels to facilitate modern (LRR) rubber. Maybe some first-gen Si wheels (4-holes).
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Don't overdo it - going from 15" to 17" kills the mileage on a Prius (see the thread about that).
On long near-constant speed freeway rides, wheel/tyre weight won't be that much of an issue, but in situations with much acceleration / deceleration, the wheel weight will cost you.
Increasing the overall tyre diameter too much, can also cost you some mpg.
If you don't overdo it - like a couple % - it can gain you some mpg though.
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Any suggestions for (light, light, light) wheels to watch for at the junkyard will be much appreciated.
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Won't the Insight wheels fit ?
They're rare though.