2010-2014 Mustang Information on The S197 {GenII}
View Poll Results: 2010-11 GT Average MPG
less than 15
10
10.53%
15-18
26
27.37%
18-21
35
36.84%
21-24
16
16.84%
24-27
5
5.26%
27-30
1
1.05%
more than 30
2
2.11%
Voters: 95. You may not vote on this poll

10-11 GT MPG poll

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Old 3/21/11 | 06:57 AM
  #41  
freyke's Avatar
Bullitt Member
 
Joined: January 9, 2005
Posts: 350
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Getting about 15.8MPG average (Hampton Roads, VA vicinity), daily driver with 3.73 diff.
Old 3/21/11 | 08:32 AM
  #42  
Bert's Avatar
Thread Starter
Legacy TMS Member
 
Joined: January 25, 2010
Posts: 3,875
Likes: 1,598
From: Massachusetts
Originally Posted by Bladez167
. . . . Is it true that goes up as the engine breaks in more?
yes that is generally true but don't expect a huge increase
Old 3/21/11 | 09:26 AM
  #43  
Freakazoid's Avatar
GT Member
 
Joined: June 24, 2010
Posts: 126
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Originally Posted by Ronin38
^ You may average lower mileage than mine just because you're pulling the hills of Pittsburgh. (I grew up in Monroeville!) I'm now out in Dayton, OH, which is pretty much all flat.

Also- What octane gas is everyone using? I'm sure the dealer filled mine with 87. I filled it with 89 for the first tank so I'll see if that makes any noticeable difference, too... 93 might make more of a difference, I may try that for the next tank full. Probably hard to say, though, since it's still breaking in and I'm still getting used to the car.
super small world, I live in Pittsburgh too, but I grew up in Monroeville
Old 3/21/11 | 09:27 AM
  #44  
Freakazoid's Avatar
GT Member
 
Joined: June 24, 2010
Posts: 126
Likes: 0
Originally Posted by r1rider98
I am really disappointed about the mileage on my car. I get 12mpg and i baby it. In town or on the freeway. I coast to stop lights and shift at 2,000. I do not go by what the car says cause it is wrong. I mean my tractor trailer gets gets 7mpg with 80,000lbs. The sticker is totally wrong. I don't get it. The car runs great but the mileage sucks. I have 1,553 miles on it. I can watch the needle move driving to work.
glad I'm not the only one....I'm getting like 13 mpg and I really do baby it. How I drive doesn't seem to affect it...I can skip shift, I can shift low, I can shift high and it still stays in that general range. annoying indeed
Old 3/22/11 | 10:38 PM
  #45  
starbai's Avatar
Bullitt Member
 
Joined: July 6, 2010
Posts: 402
Likes: 0
Not that the difference in MPG would make the added cost worth it, but as a general rule, is 93 better, worse, or the same for higher MPG? Assuming same driving style and car.
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