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Old 11-21-2017, 10:04 AM
 
Location: Agg-Town, TX
1,847 posts, read 833,102 times
Reputation: 2060

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2015 Mazda 3: 41 MPG on the highway and about 33 in the suburbs.
2002 Mazda Protege: 31 combined.
2013 Volvo 670 with 325,XXX miles: about 6-9 depending on the load
2001 Freightliner with 1,230,XXX miles: somewhere around 4-5 MPG
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Old 11-21-2017, 10:46 AM
 
Location: Grosse Ile Michigan
30,708 posts, read 79,820,680 times
Reputation: 39453
I get dramatically different MPG summer vs. winter due to the change in fuel mixtures. Does anyone else see a substantial (i.e. more than 10%) difference?
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Old 11-21-2017, 10:53 AM
 
24,559 posts, read 18,259,472 times
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My 6-cylinder 2015 Subaru Outback gets around 25.5 mpg highway at the speed limit + 9 I usually drive. In the winter with the wind resistance from subzero air and the butane in the winter fuel mix, I get more like 24 mpg.

My VW GTIs used to get about 30 mpg driven like that in the summer and 29 mpg in the winter. They required 91 octane so my fuel cost was similar to the Outback which runs much cheaper 87 octane fuel.

My body-on-frame V8 AWD Mountaineers got 20 mpg in the summer and 19 mpg in the winter with that kind of driving pattern. If I slowed down a bit, they got much better fuel economy because the aerodynamics were so awful. In the winter where I mostly drove 2 miles and 500 vertical feet to the ski resort, I'd get 9 mpg.

I don't remember my fuel economy numbers for anything older than that.
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Old 11-21-2017, 10:54 AM
 
17,308 posts, read 12,251,233 times
Reputation: 17262
Quote:
Originally Posted by Coldjensens View Post
I get dramatically different MPG summer vs. winter due to the change in fuel mixtures. Does anyone else see a substantial (i.e. more than 10%) difference?
I get better mpg in winter since our cars are turbo charged and they love the cooler weather rather than the hot summer heat soak. But winter here in the Pacific Northwest is very mild as well with highs usually around 50 all season long.
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Old 11-21-2017, 10:55 AM
 
Location: Fuquay Varina
6,453 posts, read 9,816,761 times
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BMW X5M = 14mpg on a good day
2004 F150= 16mpg
1999 3000gt =33 mpg
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Old 11-21-2017, 11:27 AM
 
Location: Hickory, NC
1,199 posts, read 1,553,504 times
Reputation: 1719
Chevy Volt - 198mpg since I bought it in August. The car has a lifetime MPG of ~585.

Ford Fiesta ST - 30mpg city - 37hwy
Mazda Miata (6MT) - ~29mpg combined

DeLorean DMC-12 - ~24-25mpg (5MT)

I have no idea what my Jeep Cherokee XJ and Chevy S10 get. I drive them so little it doesn't matter. I'm guessing around 20-25.
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Old 11-21-2017, 11:34 AM
 
Location: Hartford County, CT
845 posts, read 680,429 times
Reputation: 461
2015 Chevy Impala Limited

Motorway speeds of around 100-130km/h and I normally see about 8.5L/100km

Converted I think it's something like 27-28 MPG. Haven't the foggiest for city driving, I live and work about 100m off the motorway in both directions.
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Old 11-21-2017, 01:19 PM
 
Location: San Ramon, Seattle, Anchorage, Reykjavik
2,254 posts, read 2,738,942 times
Reputation: 3203
They have a range. My Bentley Mulsanne gets 7 mpg in town. Both of my Ferraris get 10. My Suburban tow vehicle gets 12. Land Cruiser(s) get 14. SC430 gets 18. Subaru gets 28. My C-Max gets 45+.

All pretty good compared to my Cessna 206 on floats - 9 mpg at 150 knots. Of course its a lot faster and lands on water.
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Old 11-21-2017, 04:09 PM
 
Location: Yucaipa, California
9,894 posts, read 22,027,890 times
Reputation: 6853
I get around 12 mpg on the highway & 10 in the city. The carb on my car (85 olds) is shot.
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Old 11-21-2017, 07:48 PM
 
Location: northern New England
5,451 posts, read 4,053,058 times
Reputation: 21324
We drove VW Rabbits and Golfs (diesel) for many years - sometimes got 60MPG.

Now I am driving a 2013 Dodge Grand Caravan with an MPG gauge (well part of the odometer program) - got as much as 30 on a long highway trip, loaded with stuff. Around town I get 22-24. Best mileage is when I go to the next state to see my sister, I take back country roads all the way, about 50 MPH, few lights or stop signs, and I get about 27.

I just discovered you can "reset" the MPG gauge and have been having fun with that.

My next car will be a hybrid but I am loath to give up the van while it is still running well. Gonna drive it til it won't go no more.
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