Ford 'voluntarily' revises C-MAX fuel economy numbers

Ford 'voluntarily' revises C-MAX fuel economy numbers

During a live-stream press conference today, Ford announced that it is "voluntarily" changing the fuel economy numbers for the all-new C-MAX.

This is kind of big news. Though, I could have told you back in February when I tested the compact crossover that this was coming. I got nowhere near the 47 mpg estimate for combined driving. Not even close actually. Granted this was in the dead cold of a Chicago winter when all hybrids are poor performers for everyone except he folks at But still. I got 30 mpg in combined driving. And I was trying.

Ford asserts that even with the revised estimate of 43  mpg in combined driving, C-MAX is still a class leader, besting the Toyota Prius V by a whopping 1 mpg.

So,  how did Ford come up with the original 47 mpg in the first place? Well, it's not because the C-MAX went through the actual EPA testing. Apparently there's this interesting loophole in the EPA General Label rules that allows an automaker to group a family of vehicles together. In this case, the C-MAX fell under the family of Fusion Hybrid vehicles. Which makes total sense, of course. (SMH)

One thing I will say for Ford, however, is that they are committed to customer satisfaction. And, in light of this change, the automaker said it will make a one-time "goodwill payment" of $550 to C-MAX owners and $325 to people who are leasing a C-MAX.

You can see the full press release on Ford's media website.


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  • Car and Driver had earlier indicated that their actual mpg for the Fusion hybrid was about the same as for the C-Max, so that EPA rating may be wrong, too.

    I mentioned earlier that C&D said that the efficiency advantage of hybrids is lost at highway speeds and the EPA ratings used by Ford and Hyundai were based on 2 test cycles with adjustments, rather than 5 test cycles, which would show more.

    Between what you and C&D said, the correct EPA rating would seem to be in the high 30s, unless one drives with an egg between the foot and accelerator. It is doubtful that Ford is beating the Prius.

    Finally, their Sept. issue's instrumented test of the Lincoln MkZ H2.0 (the Fusion of Lincolns) noted that best takeoff was to floor the gas to charge the battery before taking off (same as the Fusion),which I am sure is not a fuel economy technique.

    On the other hand, Honda's two electric machine no need for a transmission Accord (hybrid or plug in) sounded interesting. They didn't say what the price of the hybrid was (the plug in sounded pricy).

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