How do we get optimum MPG with 2005 Pontiac Vibe on Highway?

October 25, 2009 | Car  

Re: “How do we get optimum MPG with 2005 Pontiac Vibe on Highway?”
  1. 1
    PiskiHaven says:

    Only drive downhill…bum a tow back home.

  2. 2
    FORD-MAN says:

    Make sure your tires are properly inflated , good alignment , good tune-up and run about 62-65 mph on cruise control .

  3. 3
    Spinner...428 says:

    OK 300 miles for most people is a Day trip
    So I will list everything for a 250 miles trip to a 3000 mile trip

    Depending on Load
    (weight of everybody & everything) inside Less is better… Take only what you need or will use on the trip.

    Ok … Should have replaced fuel filter at 15000 miles
    Make sure Oil is full ( not over )
    Tire presure around town 32
    bump them up to 34 psi in all 4
    Air Filer New ?
    Check tires … good thread ?

    Ok fill up … 1st tank 89 octane fill up clicks
    around off to the nearest nickel,,
    ((DON’T keep clicking IT til it spills out))

    when it gets down to 1/4 tank fil up again
    87 Octane fine now and rest of the trip…
    check oil every other fillup.

    While driving cruise control for best mpg
    accelerating burns more fuel…
    your engine is ECM controlled with fuel montioring
    engine under cruise is set best at 67 mph on flat land
    hills or small mountains no change no savings.
    If you drive 55 to 58 mph you will only save 2%

    Next your car is set for passing …. watch the drag…
    This is were people loose 12% of fuel mileage
    If your passing someone and you just bearly caught up with them ? and you move out to pass with your cruise on?
    The side drag and head wind will drag as long as you are beside the other vehicle, stays til your 85% past them.

    Passing accelerate before pulling out, keep accelerate past them and clear them move back over and hit RESUME on your cruise… Called ,,, get it over with plan…

    Last A/C …. your car is setup to run with A/C at any time
    A/C is better on …On the Highway….
    Windows up while on the Hwy … That Drag thing again…

    When in town cruising, if nice outside turn A/C off and roll windows down….

    Happy Trails…..

  4. 4
    Andy J says:

    I’ll post what I do to get 36 mpg highway in my Alero (only rated at 28).

    Air up the tires to max psi (on the sidewall). This will cause less rolling resistance. The ride may be a little rougher now, but the savings are worth it.
    The before mentioned maintenance. A dirty air filter or old spark plugs can drop a few mpg by itself. A bad oxygen sensor or fuel filter can take off 30% of your mileage. Seriously.
    Junk outta the trunk! I’ve read that every extra100 pounds decreases mileage by .5 mpg.
    Drive slower. This is the big one. Prius owners have done several tests and proved that the best mileage is around 45 mph. This is because the engine is in the highest gear and at low rpms. Any more speed and the rpms go up, as does the fuel used. On road trips I do about 60, which is a very noticeable savings from 70. If you have a manual, always have it in 5th (or 6th, depending on your Vibe).
    Drafting. This can be dangerous, but the fuel savings are massive. Find a semi truck with trailer and get about 2 or 3 car lenths behind it. You will notice that you can come off the throttle a LOT, as the truck is creating a vacuum that pulls you along. Drivers of some light cars like Geo Metros and Ford Festivas have been known to put it in neutral while drafting and get pulled for hundreds of miles while at idle. Talk about saving gas!
    Stay off the brakes. Every time you brake, you have to use more gas to get back up to speed again.
    Buy gas that doesn’t have ethanol in it. 10% ethanol is required in a lot of places for emissions reasons, but it reduces mileage by 15 - 20%. 7-11, Williams, Walmart, Sam’s Club, On Cue, and other cheapie places all run gasohol. Buy from “top tier” places like Shell, Conoco, Chevron, etc. Yes, it will cost a little more, but you’ll make up for it with the extra mileage.
    Check the links below and have fun with it. I bet you could get 40 mpg easily.

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