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Old 09-02-2019, 10:29 PM   #15 (permalink)
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Join Date: Feb 2018
Location: Michigan/Virginia
Posts: 1,167

Insight - '06 Honda Insight MT
Team Honda
Gen-1 Insights
90 day: 81.29 mpg (US)

Mom's Prius (my driving) - '08 Toyota Prius
Team Toyota
Last 3: 60.96 mpg (US)

Insight Delivery Driving Log - '06 Honda Insight MT
90 day: 70.7 mpg (US)
Thanks: 274
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Will the new car be a manual or an auto? Manual = better mpg, regardless of gearing (for the most part).

Would 14" rims even fit on the Yaris? With 16s my guess is that anything smaller than 15s might not clear the calipers.

Lightweight 15" rims with Bridgestone Ecopia 185/65R15s (Prius eco tire) would keep the same gearing. Prius 15" rims are lightweight at 14lbs IIRC but they're 5x100 vs the Yaris 4x100 bolt pattern.

165/80R15s would give you taller gearing and a narrower tire for FE, but I can't seem to find any that are LRR rated, so FE would likely take a hit unless run at 100 PSI or something insane like that.
2006 New Formula Red Honda Insight MT, 267k: (Build thread)
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