1999-2009 [Subscribe to Daily Digest] |
So $1.50 to $2.16 a fill-up (range of .10 x 15 gal to .12 x 18 gal). If your mileage improves by 1 mpg on higher octane fuel, that's a roughly equal to the additional cost.
JMJ
posted by 208.115.14...
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