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  1. #1
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    Member No: 3760 m5_lite is an unknown quantity at this point m5_lite's Avatar
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    mileage with M5?

    Hello all!
    I have a '97 540i/6 that I drive on a daily basis with over 218K miles on her right now. I get a combined 21 MPG with a max of about 28MPG on the highway alone.

    I'm thinking about also getting an E34 M5 to "supplement" my garage. I'd also like to drive her alot as I do my E39. Question is, what kind of mileage am I looking at when driven "normally"? I'd like to see your personal mileage figures and driving styles.

    Thanks!

    Gene

    <img src="http://im1.shutterfly.com/procserv/47b6dc24b3127cce97436d140be600000016102IZM2zhw5Y8" >

    Quote: "But for the amount of time I'm on LSD it is just too much of a hassle to pull it out every time."


  2. #2
    JuserM5
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    18MPG reliably - stop&go&hwy, Mostly in traffic.


  3. #3
    Sunny5
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    Oh blow me!!!!

    You don't get 18 miles to the gallon..please.

    you are looking at 14-15 in town

    you know, you're not suppose to put the thing in 5 gear at 20 miles per hour...

  4. #4
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    Re: mileage with M5?

    I get about 12.5L/100Km (about 19mpg) for average driving. Combined highway, city with a fair amount of foot-to-the-floor red-line acceleration. With really hard driving - that can drop to the 14-15 range (~16MPG)

    I can get this down to about 10L/100Km (23.5MPG) if I drive the speed limit.

    These are OBC reported numbers mind you and I have no idea if my OBC is properly calibrated.

  5. #5
    Usual Suspect
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    Re: mileage with M5?

    13 in city 25 highway at 3k ion 5th gear. Its a thirsty car, but way more fun than a Prius

  6. #6
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    Re: mileage with M5?

    I get 17 mpg (80% slow highway) on my usual weekly route (via mass balanace calculations AND my OBC has been calibrated to match). 100% highway is 20-23 depending on my foot.

    I don't believe the previous estimates were calculated and I bet their OBCs are not correct.

  7. #7
    juserm5
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    My OBC says my car better than yours.

    I'm telling you I have never averaged below 17MPG since I have owned the car. I regularly exceed the speed limit and my commute always involves some stop and go.


  8. #8
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    I also get better than 18 MPG city & highway

    OBD average speed 35-40 MPH.

    On a road trip I usually get 23-24 MPG, an OBD average @ 85-90 MPH.
    My E38, 740 (4.4 liter) gets 20+ MPG with an OBD speed average 85-90 MPH.

    The highway gas mileage for both would be better if I didn't have to keep slowing down to get arround the fast lane hogs and accelerating back to speed.Rod...
    BMWCCA GGC

  9. #9
    CalChris
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    20.3Mpg

    If I baby it. Once got 23mpg on a road trip. Drive it hard and get 12mpg though!

  10. #10
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    Mine is chipped and my average mileage is 20.5 mpg over the last 7 years / 30,000+ miles. I got 18.7 mpg on my last tank which included an autocross day. I think the worst I've ever done on a tank is in the 18s. The worst I've ever seen was 11 mpg after a fill-up then going, well, lets just say very fast, up an interstate mountain pass between about 8500 ft and 10500 ft in elevation. But that was only over 7 or 8 miles. I was back in the 20's after going down the other side. Best was between 26 and 27 mpg on interstate / cruise control. I did 25.6 mpg once through the Colorado mountains under very spirited driving conditions, but typically that trip gets me 22 to 23 mpg. I don't spend much time in city / stop and go conditions though. I have another vehicle for that.
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