What’s your MPG during winter?

DmK

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So i notice that my MPGs went down from 38 to 34-35 MPG.
i noticed that after I changed factory tires to Pilot Sport 4 A/S and changed engine oil to Motul Eco lite (it’s actually improved idealing and high rpm raving, car feels less shaky)

Makes me wonder what MPG everybody else gets?
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Jeffers

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If you're in California, it could be our 'winter blend' gas.
 
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TypeX

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So i notice that my MPGs went down from 38 to 34-35 MPG.
i noticed that after I changed factory tires to Pilot Sport 4 A/S and changed engine oil to Motul Eco lite (it’s actually improved idealing and high rpm raving, car feels less shaky)

Makes me wonder what MPG everybody else gets?
depending on area etc
Winter mix fuel is in rotation & usually lower mpgs


Winter gas is more volatile and evaporates more quickly, so it is ideal for it is used in the colder air of winter.

In terms of gas mileage, you get better mileage on summer blends than winter blends because the summer blend gasoline has about 2% greater energy value than winter blend.
 
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DmK

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depending on area etc
Winter mix fuel is in rotation & usually lower mpgs


Winter gas is more volatile and evaporates more quickly, so it is ideal for it is used in the colder air of winter.

In terms of gas mileage, you get better mileage on summer blends than winter blends because the summer blend gasoline has about 2% greater energy value than winter blend.
yeah that's also one of the factors. I'm in Ohio area
 

tacthecat

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1) Temperature - It's colder (in the Columbus area).
2) Depending on how you're changed/tuned and drive.
3) Winter gas.
4) New performance tires.

I've experienced this with several cars over 30 years.
 
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My avg mileage drop 2-3 mpg every winter. I don't worry about it anymore. It's a fact of life. Besides, I drive my car to have fun, not to hit a certain number.
 

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Huh, I didn't even think of winter gas dropping my mileage. I saw my average drop around 1-2 over the past few weeks, but I did also get an oil change and install a TIP over that time. And the temp has been dropping.
 
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DmK

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Huh, I didn't even think of winter gas dropping my mileage. I saw my average drop around 1-2 over the past few weeks, but I did also get an oil change and install a TIP over that time. And the temp has been dropping.
In my case huge part was putting more thicker oil and new tires overall
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