Gas Mileage With a Maggie
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2004-2007 Cadillac CTS-V Performance Mods Discussion, Gas Mileage With a Maggie in Cadillac CTS-V Series Forum - 2004 - 2007; I've had my Maggie on for about six weeks and notice the gas mileage is significantly less. I used to ...
  1. #1
    sefa01's Avatar
    sefa01 is offline Cadillac Owners Enthusiast
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    Gas Mileage With a Maggie

    I've had my Maggie on for about six weeks and notice the gas mileage is significantly less. I used to get 16-17 around town and 23-24 highway. Now it's 12-13 and 19-20, respectively. I thought it might be that I was winding it out more (love to hear that Maggie whine), but I deliberately kept the rpms down on a long highway trip and still only got about 20 mpg.

    What are others' experience?


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    2004ctsv's Avatar
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    Re: Gas Mileage With a Maggie

    Maggie tune - 20/15
    Stealth tune - 18/12

    Not objective comparison - more "spirited" driving w/ Stealth tune

  4. #3
    Kmajecki's Avatar
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    Re: Gas Mileage With a Maggie

    Mine seemed dramatically better according to the computer but i burned a tank in a day and a half this weekend... I do find i "could" stay in 6th more often thanks to the extra power which keeps the RPM's down, but i rarely do...

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    stkshkr's Avatar
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    Re: Gas Mileage With a Maggie

    City...11
    Hwy...23

  7. #5
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    Re: Gas Mileage With a Maggie

    city 8-12

    highway 15-18

  8. #6
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    Re: Gas Mileage With a Maggie

    I have never broken mine down per city and highway, but I get around 13-14mpg per tank. I think there is at least a 10-15% variation based on how heavy one's foot is. To be honest, it brings a smile to my face when I fuel up, do the math, and calculate a number closer to 10mpg .

  9. #7
    JimmyH is offline Cadillac Owners 10000+ Posts
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    Re: Gas Mileage With a Maggie

    I get about 18.5 stock. But I am in traffic alot that is constantly speeding up and slowing down, not to mention the actual stop and go.

  10. #8
    heavymetals's Avatar
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    Re: Gas Mileage With a Maggie

    Someone needs to make a bumper sticker:

    KISS ANOTHER DINOSAUR GOOD BYE

  11. #9
    ronr's Avatar
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    Re: Gas Mileage With a Maggie

    City...12-15
    Hwy....24-26

  12. #10
    The Tony Show's Avatar
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    Re: Gas Mileage With a Maggie

    Top three books you'll never see:

    -French Military Victories

    -Great Blonde Nuclear Engineers of the 20th Century

    -Maggied V8's That Get Good Gas Mileage.
    Rest in Peace, J.D. (aka Dirt_Cheap_Fleetwood)

  13. #11
    Seattle CTS-V's Avatar
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    Re: Gas Mileage With a Maggie

    I average 12.5 mpg. Instant MPG shows 20-22 Hwy and 8-10 City.

  14. #12
    keeksv is offline Cadillac Owners Enthusiast
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    Re: Gas Mileage With a Maggie

    Quote Originally Posted by ronr View Post
    City...12-15
    Hwy....24-26
    Almost exactly what I get. Thanks Damian!

  15. #13
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    Re: Gas Mileage With a Maggie

    Highway.. 22ish
    track.. 4-6 gals in 20-25 mins.

    Spanked bimmers per gallon... priceless.

  16. #14
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    Re: Gas Mileage With a Maggie

    Stealth tune (bastardized a bit by me).

    14-16 city
    24-26 highway (consistently above 70 mph)

    WW

  17. #15
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    Re: Gas Mileage With a Maggie

    Quote Originally Posted by wildwhl View Post
    Stealth tune (bastardized a bit by me).

    14-16 city
    24-26 highway (consistently above 70 mph)

    WW
    you must drive like a puss on the highway... HAHA

    what about over 100?

    I dont get over 24 with NO maggie!

    Reed

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