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Old 08-28-2009, 09:46 PM   #28 (permalink)
Mustang Dave
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Join Date: May 2009
Location: Northern Arizona - It's a DRY cold..
Posts: 659

Trigger - '07 Ford Mustang V6 Premium Coupe
Team Mustang
Sports Cars
90 day: 32.51 mpg (US)

Big Red (retired) - '89 Ford F-250 4wd Custom
90 day: 18.13 mpg (US)

Big Red II - '13 Ford F-150 FX4
90 day: 18.99 mpg (US)
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Thanks for posting this, MetroMPG.
That speed vs. MPG graph pretty much mirrors my experience with my Mustang. Most performance car enthusiasts ass-u-me performance cars have a "sweet spot" around 75 MPH. That just ain't so with modern (efficient) fuel injection systems. In my experience, the best FE is at the lowest speed in your top gear. In my case, about 35-40 MPH.
And it's interesting that most people can't believe that a performance car can get fuel "economy".
According to EPA's 2008 estimates, I should be getting 17 City/ 25 Highway/ 20 Combined with my Mustang.
The worst I've ever gotten was .02 MPG under EPA Highway. (24.98) And that was because I ran it in the garage to charge the battery (at ZERO MPG) during the Winter.
According to's criteria, I've never not been a hypermiler with my Mustang.
I'm getting better fuel economy with my Mustang than a lot of people get with their 4-cylinder Camrys and Altimas.
A major part of it is the "nut behind the wheel" and route planning.
As they say, YMMV.
Fuel economy is nice, but sometimes I just gotta put the spurs to my pony!

Originally Posted by thatguitarguy View Post
Just 'cuz you can't do it, don't mean it can't be done...
Originally Posted by elhigh View Post
The presence of traffic is the single most complicating factor of hypermiling. I know what I'm going to do, it's contending with whatever the hell all these other people are going to do that makes things hard.

Last edited by Mustang Dave; 08-28-2009 at 11:14 PM.. Reason: adding information
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