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Old 12-21-13, 05:47 AM   #1
scottiza
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Question MPG - significant decline with winter

I have a 2013 CT 200h. While I was thrilled with my original MPG averaging around 43 in the warm month, I am now experiencing something closer to 33MPG in the cold. Turning off the heater and the seat warmer don't seem to move the numbers notably.

Has anyone else experienced this? Advice?

Thanks,
Tiza
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Old 12-21-13, 02:00 PM   #2
nabbun
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Search is your friend. It's mostly due to the winter fuel blend.
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Old 12-21-13, 07:11 PM   #3
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^ Could be that, it could also be the engine running longer and more often to keep the car warm on those cold days, too!
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Old 12-22-13, 08:27 AM   #4
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Quote:
Originally Posted by scottiza View Post
I have a 2013 CT 200h. While I was thrilled with my original MPG averaging around 43 in the warm month, I am now experiencing something closer to 33MPG in the cold. Turning off the heater and the seat warmer don't seem to move the numbers notably.
Has anyone else experienced this? Advice?
Thanks,
Tiza
How cold is "cold" where you live? I recently filled up the car after a ten day period when the high temperature never exceeded -19C (-2F), and the overnight temperature got as low as -37C (-35F). I got an actual (i.e., calculated) 8.6 L/100 km (27.4 mpg US). Virtually all my driving was short trips in town, so, not surprisingly, the ICE never warmed up enough to allow the car to run on the battery.

Other than the increased fuel consumption the extreme cold had no ill effects on the car.
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Old 12-23-13, 02:58 AM   #5
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Thanks for the note. UGH! By your norms our "cold" must be Spring for you. While the temperature did dip down to the 20s, I have also seen the same MPG issue yesterday when it was it (oddly) reached 61. I asked a mechanic at the dealer and he did mention something about the engine needing to be warm enough.

Can you explain more about why this affects MPG?

Stay warm!
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Old 12-23-13, 08:05 AM   #6
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Originally Posted by scottiza View Post
Can you explain more about why this affects MPG?Stay warm!
There's a lot of useful information about how cold weather affects fuel consumption at:
http://m.green.autoblog.com/2009/11/...rop-in-winter/
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Old 12-23-13, 02:08 PM   #7
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Jay is on point!
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