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2009-2014 Cadillac CTS-V Performance Mods Discussion, MPG Check in Cadillac CTS-V Series Forum - 2009-2014; Just checking , I certainly did not purchase this car for economical purposes. However, I have put on almost 1000 ...
  1. #1
    Gary Veeeee's Avatar
    Gary Veeeee is offline Cadillac Owners Fanatic
    Automobile(s): 2012 CTSV
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    MPG Check

    Just checking , I certainly did not purchase this car for economical purposes. However, I have put on almost 1000 miles and ran a few tanks of 93 . My average city only no highway yet is 11 on the nose. This is about right , right ?? Also bone stock no mods yet...

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  3. #2
    BigDog001's Avatar
    BigDog001 is offline Cadillac Owners Fanatic
    Automobile(s): 2011 CTS Black Diamond V Coupe
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    Quote Originally Posted by Gary Veeeee
    Just checking , I certainly did not purchase this car for economical purposes. However, I have put on almost 1000 miles and ran a few tanks of 93 . My average city only no highway yet is 11 on the nose. This is about right , right ?? Also bone stock no mods yet...
    I am 16 highway and city combined at 19k miles. I notice mpg sits around 20 - 22 when on highway
    M5eater and M5eater like this.

  4. #3
    baabootoo's Avatar
    baabootoo is offline Cadillac Owners Connoisseur
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    Re: MPG Check

    It's all in the foot to.

  5. #4
    V-swagon's Avatar
    V-swagon is offline Cadillac Owners Fanatic
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    I got 22.8 mpg on my 09 V cruising 70 mph. I had 26,000 miles on it. Mods were Magnaflow cat back and a modified stock air box with stock air filter. On that trip, I think it was around 200 miles.

  6. #5
    Gary Veeeee's Avatar
    Gary Veeeee is offline Cadillac Owners Fanatic
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    Thread Starter
    Quote Originally Posted by baabootoo
    It's all in the foot to.
    Yeah, I definitely have been playing with it ,especially short bursts to break it in right.

  7. #6
    Trapspeed's Avatar
    Trapspeed is offline Cadillac Owners Connoisseur
    Automobile(s): 2009 CTS-V
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    I'm averaging 16 or so.

  8. #7
    WA 2 FST is offline Cadillac Owners Fanatic
    Automobile(s): 2012 CTS-V sedan; 2002 TT Z06; 2005 Ram SRT-10
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    Re: MPG Check

    12-13 mostly city driving... 1600 miles on the car. 570rwhp, so I have most, but it is all how you drive it. I have an automatic, and I drive it in Sport Mode all the time, so even when cruising, it will shift later which is not going to help MPG.

  9. #8
    FFBOS is offline Cadillac Owners Fanatic
    Automobile(s): 2009 Black Raven CTS-V (613rwhp/606rwtq) 10.7@125
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    Re: MPG Check

    I get about 170-200 a tank depending on how you drive. I'm 90% city.

    Recently got 150 for a tank..

  10. #9
    larry arizona is offline Cadillac Owners Connoisseur
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    Re: MPG Check

    16.2 all city in 6M and many spirited bursts daily. Highway trips (appx 75-80mph) I can pull 22-23MPG, the common trip I take is 250 miles.

  11. #10
    Crystal Red CTS-V is offline Cadillac Owners Fanatic
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    Re: MPG Check

    4500 miles so far and 19 mpg lifetime. Approx. 60% highway miles.

  12. #11
    thegraham77 is offline Cadillac Owners Member
    Automobile(s): 2011 CTS V Coupe Thunder Gray ChromaFlair
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    Re: MPG Check

    Airaid CAI and I averaged 19.4 (calculated with actual math and by the in car mpg display) on a 400 mile trip. I also had about 30 of those miles in town....and really got into it about 5 times in town. 91 octane fuel.

  13. #12
    zinner's Avatar
    zinner is offline Cadillac Owners Fanatic
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    Re: MPG Check

    13.9 MPG avg over 15k miles. Almost all city miles, I might get on the expressway but I never behave. I got 21 mpg driving on a 7 hours trip.

    I use fuelly to calculate the milage, and its dead on with the computer.

  14. #13
    ClarkkentCTSV is offline Cadillac Owners Fanatic
    Automobile(s): 2009 Thunder gray CTS V
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    Re: MPG Check

    The best fuel economy to date was when I went out of town in my wife's SUV and left the V parked in the
    garage! My best MPG avg was 17 combined city/highway, but the norm is about 13. It is just so
    difficult not to mash the go pedal at least once a day. Sometimes I think my fuel needle moves faster than
    my boost gauge.

  15. #14
    M5eater's Avatar
    M5eater is offline Cadillac Owners Connoisseur
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    Re: MPG Check

    I've seen 20+ on 60-70mph highway stints.

    Otherwise 15-16mpg combined 40/60 is normal for me.. 'normal' meaning I drive enough that I've never engaged CAGS, the first time was on the dyno this past saturday acutally.

    I have been into the lower teens, or even single digits in super-heavy city and on un-naturally aggressive days. 11 seems normal given either car is only rated for 12-14, and I've never been able to give it so little gas that it engages CAGS..

  16. #15
    1997BlackETC's Avatar
    1997BlackETC is offline Cadillac Owners Connoisseur
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    Re: MPG Check

    The window sticker was dead on, 12mpg city and 19 highway.

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