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2005-2009 Mustang S197 Discussion & News

Gas Milage

Old 12/11/04, 09:21 AM
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How is everyone doing on their gas milage?

I have a short drive to work and have about 500 miles on the car right now. I'm only getting about 14-15 mpg. My 2002 GT would get around 18-20 mpg.

Do I just need to get past the "break in" period and the mpg will get better?

Any thoughts?
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Old 12/11/04, 09:48 AM
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Yes, the economy should improve after the break in period is over. I have a few questions about how long that is. When can I rev it high? after 1k miles? 1.5K miles? It will be hard to control myself but I will have to.
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Old 12/11/04, 09:52 AM
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The manual only mentions not driving at the same speed / RPM for extended periods for the first 1k miles. Doesn't say anything about not reving high.
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Old 12/11/04, 11:10 AM
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With mixed highway and city driving I'm at 21 MPG.
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Old 12/11/04, 12:17 PM
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I'm getting 12-13 still. I took it in to Ford Service, they said it was normal. I have 900 miles now and have filled up about 6 times with super unleaded! I told him my 99 stang got 18-19 under the same driving conditions and it was a vert. He said "So."
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Old 12/11/04, 01:16 PM
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Don't bother with Supreme or Super unleaded. If it runs good on low octane as it should, it was designed for it You're just wasting money. If it's pinging on lower octane have the dealership look at it.
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Old 12/11/04, 02:01 PM
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Originally posted by ColoradoStang@December 11, 2004, 2:20 PM
I have 900 miles now and have filled up about 6 times with super unleaded!
This car only needs 87 octane. You're wasting money and that might also be the culprit of your low miles.
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Old 12/11/04, 02:57 PM
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17.3 was the lowest, first tank and heavy driving. 22 was the best with a mix of city and highway. 19-20 is average for me.

Jason
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Old 12/11/04, 03:38 PM
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Poor gas mileage was discussed at length in another post "14 MPG." It may be that you got a lemon.

I had a 1996, 1998 and 2000 Merc Villager. All three were rated at 17/23 MPG. The 1996 and 1998 had exactly the same drive train. The 2000 was similar but had the 3.3 ltr engine vs. the 3.0. Anyway, the 1996 averaged 20MPG (combined city/hwy) and so did the 2000 Villager. The 1998 model only averaged 12-13 MPG! The best mileage I ever got was during a trip to Florida (19 MPG).

I had the car checked by several Dealerships and no one could figure out why the mileage was so poor. Ford finally gave me $2000 to cover the added fuel cost till my lease was up!

During one of my many phone conversations with the factory rep I learned that the mileage posted on the sticker is an average figure. If you look at the fine print below the mileage numbers on the sticker you will see a much wider MPG range. In my case the city mileage was as low as 12 MPG and as high as 19. The rep also told me that about one in 50 vans coming off the line were getting mileage towards the lower end of the scale. Go figure!
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Old 12/11/04, 05:07 PM
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13.7 mpg, but i think my right foot is the problem
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Old 12/11/04, 10:11 PM
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I'm getting 13mpg and I'm not really driving all that hard. I rev it up to 3k on some shifts. Occassional 4k-4.5k accel but thats it.

70% city though. Still very bad. Hopefully its because I only have 230miles on her.
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Old 12/12/04, 02:17 AM
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I am at about 1000 miles now and still at about 15.5. Around 95% city with the air on and I know I would do better shifting earlier. Maybe when I "get-out-of-town" during the holidays, I'll be able to see the full potential.....won't do much good though, back to the grind when I get back. Having fun driving it though. Great performer, so I'll just buy the gas! I am certainly not complaining. :drive:
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Old 12/12/04, 05:18 AM
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with both highway and city I am running in at 21mpg on my GT
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Old 12/12/04, 01:13 PM
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I'm getting 15.7 mpg with mostly short distance city miles. I have about 750 miles on the car now.
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Old 12/12/04, 01:27 PM
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Originally posted by TKEUofM@December 11, 2004, 10:24 AM
How is everyone doing on their gas milage?

I have a short drive to work and have about 500 miles on the car right now. I'm only getting about 14-15 mpg. My 2002 GT would get around 18-20 mpg.

Do I just need to get past the "break in" period and the mpg will get better?

Any thoughts?
i'm getting 19.8 or 19.9 right now. around 1400 miles on the car. i drive 27 miles each way, every day. sometimes in traffic...sometimes not. i think the milege is pretty good for a 300hp v8.

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Old 12/12/04, 01:32 PM
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This isnt a Honda. Dont gripe about the gas mileage.
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Old 12/12/04, 04:03 PM
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I found a great way to improve gas mileage, with 1300 miles on my car, I am now getting 4 MPG! (MPG= Months Per Gallon).........Car is in winter storage!



Mike
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Old 12/12/04, 04:03 PM
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Originally posted by ColoradoStang@December 11, 2004, 1:20 PM
and have filled up about 6 times with super unleaded
If all else fails read the owner's manual

Octane recommendations
Your vehicle is designed to use
“Regular” unleaded gasoline with
pump (R+M)/2 octane rating of 87.

Fuel quality
If you are experiencing starting, rough idle or hesitation driveability
problems, try a different brand of unleaded gasoline. “Premium”
unleaded gasoline is not recommended for vehicles designed to use
“Regular” unleaded gasoline because it may cause these problems to
become more pronounced.
You are most likely wasting your money on premium gas and it may actually be making your gas mileage worse.
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Old 12/12/04, 05:01 PM
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I dont understand why people are purchasing a Mustang GT if they are concerned with gas mileage
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Old 12/12/04, 05:32 PM
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Over 2,000 miles now and with mixed city/highway my average is over 23 MPG.
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