Thread: Rain.
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Old 08-16-2017, 08:47 AM   #8 (permalink)
Ecky
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ND Miata - '15 Mazda MX-5 Special Package
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I'm sure it's an oversimplification, but I estimate I see maybe a 10mpg loss when the roads are damp, and might see 20-30mpg lost if the water is visible. Add to that, I sometimes have to run the A/C compressor to keep the windows from fogging and a 95mpg highway trip can easily turn into a 60mpg trip.
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