Leaked: 2015 Mustang EPA Fuel Economy

[UPDATES AT THE BOTTOM]  With tighter and tighter regulations on fuel economy, the new 2015 Mustang MPG rating may surprise you. Generally the Ford Mustang has been seen as being a little bit of a fuel hog in the past, with some major improvements when the 2011 – 2014 redesign came out. With CAFE standards for 2016 that dictate a manufacturer’s vehicle line-up must have an average fuel economy of 35.5 MPG approaching quickly, there is a huge push on to have more fuel efficient engines. This leaves the performance car community in an awkward position.

Now that the 2015 Mustang Power Ratings have been released, it has left a lot of people speculating what we might expect in terms of fuel economy from the powerful new S550 Mustang platform. Window stickers have surfaced online of 2015 Mustang’s giving us a detailed break down of fuel economy.

2015 Mustang EcoBoost Fuel Economy

For the manual EcoBoost it is rated at 22 MPG city and 31 MPG highway giving it a combined 26 MPG, with automatic hitting 21 MPG city and 32 MPG highway for a combined 25 MPG. Forum members are a little surprised the number is not higher from the 2.3L turbo charged engine, as many were estimating we would see a high 30′s MPG rating and a combined rating of right around 30 MPG. It will be interesting to see just how the EcoBoost fuel mileage is effected by something like a cold air intake and a tuner, which will more than likely been one of the first mods for 2015 Mustangs.

2015 Mustang V6 Fuel Economy

The 2015 V6 Mustang is seeing a decrease in fuel economy unfortunately. The manual will get 17 MPG city with 28 MPG highway for a combined of 21 MPG. The automatic version of the V6 will achieve 19 MPG city and 28 MPG highway for a combined 22 MPG. This is at a loss from the 2014 V6 Mustang’s 19 MPG city and 29 MPG highway for a combined 22 MPG in manual and 19 MPG city and 31 MPG highway giving it a combined 23 MPG rating. Between the reduction in power from the 2014 V6 Mustang to the reduction in fuel economy, I would say we are seeing the beginning of the end for the V6 Mustang. The S550 Mustang could be the last to be offered with a V6, but only time will tell.

2015 Mustang GT Fuel Economy

Of the batch of window stickers that made it online, a window sticker for the GT 5.0L V8 option did not make it onto the internet, leaving us to draw conclusions and speculate the MPG rating. However, we happen to have an inside scoop on the 2015 Mustang GT’s fuel economy. The rumor that we’ve heard is the 2015 Mustang GT gets 24 MPG highway while cruising at 80 MPH. It sounds like we will be able to expect pretty good MPG numbers from the 2015 Mustang GT, like the one in the video below that showed up to the AmericanMuscle Car Show.

With this most recent tidbit of 2015 Mustang News and another piece of the mystery specs of the S550 revealed, we are reminded that we are nearing the delivery of the 2015 Mustang to the public. Ford has carefully and cunningly navigated the release of the 2015 Mustang; however, they are slowly running out of secrets to tell and days to count on the calendar. The one thing still shrouded in mystery and Voodoo is a 2016 SVT/GT350 model, but even that has an expiration date.

[UPDATES as of 9/5/2014]  Official window stickers have been released for the 5.0L V8 which show the manual achieving 15 MPG city and 25 MPG highway for a combined 19 MPG. The automatic GT fuel economy is slightly better with 16 MPG city and 25 MPG highway for a combined 19 MPG.

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  • Joe Pittelli

    I don’t believe it, they lied about the Eco Boast MPG in the Fusions, they don’t get anywhere near what it says!

    • Zachary Wright

      Ford has received a lot of criticism because of exactly that. A lot people(including myself) think they are intentionally shooting low on these MPG ratings

  • Joe Pittelli

    My sister traded in her 2002 Accura TL for a 2013 Fusion with the 2.0 Eco Boast, top of the line Titanium with AWD she is getting 12 mpg city and 22 mpg highway, the V 6 Accura got 14 city and 26 highway. Ford sent a letter to the owners tell them they are going to give them a check for about $100 dollars because of their mistake with the mpg ( they know it is wrong and have admitted it ) I told her to sue. Maybe some lawyer will pick up on it and sue Ford in a class action lawsuit.

    • saber khourdaji

      so is it even false on the new mustangs ?

    • Bill

      Hmmm TL = FWD. Fusion = AWD. There is a cost associated with dragging around over 50% more rotational drivelin components.

    • Chris

      Don’t be a little bitch. If you’re willing to file a suit on someone over an MPG window sticker when you’re buying a 3000lbs muscle car, then you should go drink a gallon of bleach on an empty stomach.

    • Adam

      I highly doubt she is keeping her foot off the floor with the gas pedal my 1989 5.0 lx gets 22mpg highway and its modded out….I call bullshit

  • Noctaire

    My ’02 GT with a 4.6L V8, no mods, 101,000 miles, made 26.8mpg on the drive to the show this weekend. I went through four tanks, all between 26mpg-26.8mpg. I even had the top down for part of those trips….

  • Joe Pittelli

    Ford states the AWD 2.0 Eco Boast as getting 22 city and 31 highway,( and car is not driven hard) not getting anywhere near Those MPG’s. I am well aware of the AWD affecting MPG, they state only a 2 mpg difference. Someone is Lying.

  • George Keseyan

    Little birdie told me they are bringing in a pilot shipment of 3.7L coupes and GTs to two dealerships in SoCal a week after Labor Day, one in Montebello and that huge but crappy one West of Van Nuys. 2.3L and convertibles are delayed.