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Gas mileage

3848 Views 30 Replies 24 Participants Last post by  Bigwong23
Hey All,
Just out of curiosity, what kind of gas mileage are you able to get. My GT window sticker claims 17/25 (city/highway), now I am under no delusion, I do understand that those numbers are not always correct and driving habbits will play heavily on individual results, but to date, the best I can get in my GT Vert is 19.2 mpg. I do not race it, it has not been over 100 mph (yet), I do not use the AC, and I practice decent drving habits (mainly because my 4-yr old daughter is usually with me), but I still get significantly lower mileage than what is advertised by Ford or reported by the car magazines. How are the rest of you doing with mileage?
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I get 15 in town and 25-26 on the highway at 70-75 MPH. Even though I know it is not supposed to make any difference, I swear I get better mileage on mid-grade versus regular; 2-3 miles per gallon. Was getting 23 MPH on regular. Guy in my Mustang club with an 05 GT says same thing - better mileage on mid-grade. Again, I know it is not supposed to make any difference, BUT

When running on regular or mid-grade I get a bit of a throttle delay; however, on regular, once the engine responds it bogs a bit before taking off. On mid-grade I get the delay, but the engine has no hesitiation after that. Yes, I know it should not matter. Discovered this all by accident on a trip when I stopped for gas and the station was out of regular.

Or maybe it is just all in my head...
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