Freeway mileage
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Thread: Freeway mileage

  1. #1
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    Default Freeway mileage

    Would it be safe to assume that freeway mileage goes down quite bit in comparison to driving around town?
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  2. #2
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    Quote Originally Posted by dfdtruckie View Post
    Would it be safe to assume that freeway mileage goes down quite bit in comparison to driving around town?
    Yes, it would.
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  3. #3
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    If you're relying on the gasoline engine it might be a little better than around town if you hold the speed down (say, to 65 mph).

    If running electric, yes, definitely shorter range at higher speeds.
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  6. #4
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    Do you mean when driving on gasoline only? Or Electric? Can you give more details of what you want to see?

    My experience is:
    I get better mileage on the highway than around town, generally. Once up to speed on the highway, you are not doing a lot of stop and go, so your electric mileage is about 40+ on the highway. Use cruise control to make it consistent. But, stop/start around town, and if you have the climate controls on, your slower miles driven per hour uses more of the battery for climate control, radio, computer systems, etc. The best mileage is always about 38-mph stead-state with no climate controls on. People easily break 50 miles with that kind of driving. Add stop/go traffic and it will go down. Acceleration sucks fuel - whether gasoline or electricity (in all cars). On the highway, it goes down as you go faster. But many of us hit 42-49 miles electrically on the highway at 65mph in the summer. It will decrease on the highway once you turn on the heater or AC. I got 38 miles on a recent highway drive using ECO AC recently in 95*F weather - compared to 40 miles from the battery on a day with no AC and 75*F over the same route. Not much different.

    Drive it like "a regular car" and you should see numbers a little above the Volt's EPA. Get creative and scientific about it and we have seen people beat the EPA numbers by a lot. If you must drive 75mph on the highway then your mileage will drop - in any car.
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  7. #5
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    Quote Originally Posted by dfdtruckie View Post
    Would it be safe to assume that freeway mileage goes down quite bit in comparison to driving around town?
    It will go down but not a lot.
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  8. #6
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    I don't know about better mileage in town, but I have noticed that my Volt is extremely efficient in stop and go traffic, both on electric and gas.

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