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Old 05-18-2019, 03:28 AM   #23 (permalink)
litesong
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Join Date: Aug 2008
Location: Everett WA
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Quote:
Originally Posted by roosterk0031 View Post
.... 2017 Elantra.....45 mpg indicated.... The 3 days I drove it to work 52 indicated, 49 calculated on a short tank.
Yeah, about 6% difference (I assume you used 87 octane E10). If you had used 87 octane 100% ethanol-free E0, your MPG might have been 52 indicated, 52 calculated. Our two Elantras tend to give more accurate car computer to pencil/paper results burning E0, compared to using (not burning efficiently) E10.
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