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I average 17.5 doing 80-82 on the highway. I can bump it up to 22 by doing 70. 2500rpms at 85 vs 1800 in the Z06, that's is one of the major differences far as gas mileage. Weight, is marginal at about 120lb at that...and of course the blower.
Wonder what the guys with 12-13's with the Z06 gearing are getting...
I get like 22-23mpg on highway city is right around 14-16 mpg this very gentle of course.
But I do care with the liter at 1.67 $ for 94 which is more than 7 $ a facking gallon! !!!
Yesterday I told my girlfriend, hey sweetheart i'll take some place expensive. Let's go to the gas station! !!
I just came off a trip. So I know I was getting 18-19 on the highway. Cruise set on 80. In town, around the HOUSE... I have no CLUE! But my Ford King Ranch with 10" Lift on 40" Tires gets 10.4 on a good day.