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Old 03-21-2016, 01:54 PM   #23 (permalink)
Ecky
Master EcoModder
 
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Join Date: Dec 2011
Location: New Zealand
Posts: 5,013

ND Miata - '15 Mazda MX-5 Special Package
90 day: 40.51 mpg (US)
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Mine isn't very heavily modded, and I didn't thoroughly document its economy before I started tinkering, but I want to say that, with the A/C running and doing ~70-75 on the highway, I got around 50mpg on my trip home from buying it.

Slowing down a little bit on the highway has really resulted in more fuel saved than all of my mods put together. It's also a much more pleasant ride, as things get quieter at 60-65.
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