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Do you notice substantial mileage drop in cold weather - 2014 ECO Boost 2L

  • 10% drop

    Votes: 3 50.0%
  • Closer to 20% drop

    Votes: 1 16.7%
  • Greater than 20% drop

    Votes: 2 33.3%

Mileage and cold weather - 2014 2L

2K views 7 replies 5 participants last post by  PaulOinMA 
I've been tracking mileage going back to the 1970s.

I see a significant drop in mileage over the winter.

Will be easy to tabulate December - February and June - August mileage from when I picked up my Escape in May 2015. Be back with some numbers.
 
Well, this certainly wasn't what I was expecting.

June - August: 11,598 miles / 497.448 gal. = 23.31 MPG

December - February: 17,775 miles / 746.172 gal. = 23.82 MPG.

Higher in the winter!

Let's examine what's going on.

1. Winter formula gas. That usually reduces mileage.

2. Winter wheels and tires compared to all-season Continental tires. That should reduce mileage in the winter.

Why am I driving more in the winter 3 months?

3. There are trips from MA to OBX in there, which I don't do in season. Long distance driving which greatly increased mileage. I also track my OBX trips. Let me subtract the MA-OBX trips from the winter data.

Looks like OBX trips, over 1,400 miles each, are skewing the data. Back in a bit ... again.
 
December - February subtracting OBX trips: 7,614 miles / 361.135 gallons = 21.08 MPG.

9.6% lower in winter. As mentioned, I also run winter tires.
 
<<< physical-organic chemist. 😀

I look at my thesis now and think, "I actually did this?" 😀
 
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