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5.0L V8 Technical Discussions Any questions about the 'Coyote' engine, transmission, exhaust, tuners/CAI, or gearing can be asked here!

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Old 06-20-2011, 10:40 PM   #1
darksky1984
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Default 5.0 gas mileage

I didn't buy my new mustang for great gas mileage but I do want to get the most out of my car. Ford says that I should be able to get around 26 miles on the highway. But the best I've gotten is 22-23mpg. I set the cruise at 70mph and don't gun it during acceleration. I'm not sure how Ford got that number. I am getting around 18-19 in the city but I want to get around 26 on the highway since I drive longer distances on the weekends. What mpg's are you guys getting and how are you getting it? Thanks.
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Old 06-21-2011, 08:07 AM   #2
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Drive slower......mine gets much better at 65 vs. 70. There mpg tests are done at slower speeds I would say....like 55 mph.
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Old 06-21-2011, 08:24 AM   #3
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I got about 26mpg going 60-65 on a trip from home to DC and back (all the roads are 55, no interstates)
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Old 06-21-2011, 04:14 PM   #4
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Driving a four hour drive doing 75 mph i got 26.2 mpg the car had 500 miles when i did that a buddy of mine got 27.8 on the same trip so it can be done.
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Old 06-21-2011, 04:59 PM   #5
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Are you running the AC on these longer highway trips? I did fairly extensive (1000+ mile) testing on my '11 GT when driving to and from Canada. On one trip, I drove the entire time with the AC on, and averaged about 2-3mpg less than when I made the exact same journey with the windows down the entire way.
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Old 06-21-2011, 05:50 PM   #6
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I got worse gas mileage when it was new, after i broke it in abit I got a couple more MPGs. i think the best i got was 25mpg, but i have an auto so thats also to be expected, cruise was set to 70.
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Old 06-21-2011, 06:25 PM   #7
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Great numbers. I cruise at 75 and my current 18-19mpg ain't cutting it.
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Old 06-21-2011, 07:56 PM   #8
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I drove from winston salem n.c to deal's gap witch is about 300 miles one way so a total of about 650 miles andf it was with the window down some of the way and the air.
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Old 06-21-2011, 07:57 PM   #9
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I get about 17-18 city which doesn't surprise me since I like to drive the car the way it's made to be driven. I've gotten as high as 27mpg on the highway although that was a rare occasion. I get 26-27 on the highway only if I cruise at about 60-63mph, if I even move up to 65mph I drop about 1mpg. I wonder what kind of mileage I could squeeze out if I drove at 55mph
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Old 06-21-2011, 07:59 PM   #10
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Yes I have had the A/C on. It has been over 100 degrees lately in Oklahoma and A/C is a must. I can try slowing down to 65 but if I go any slower I'll probably be run over.
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Old 06-21-2011, 07:59 PM
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