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2008-2013 Cadillac CTS Performance Mods Discussion, 2010 CTS AWD Gas Mileage in Cadillac CTS Second Generation Forum - 2008-2013; As for mileage I drive between 55 & 60k miles per year with 80-85% highway. Every car I have owned ...
  1. #16
    dburkart is offline Cadillac Owners Member
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    Re: 2010 CTS AWD Gas Mileage

    As for mileage I drive between 55 & 60k miles per year with 80-85% highway. Every car I have owned from Acura to BMW AWD I have always been able to at least meet the highway mileage for my average mileage. The calculations being done manually at each fillup with the odometer verified as well. I had quite a surprise when instead of 26 MPG Highway when I am solely on the highway becomes 21.5 to 22 mpg is somewhat disappointing. This was driving with cruise and a veritable egg between my foot and the accelerator. Vehicle is a 2010 AWD CTS wagon 3.6 Premium with 23.5 K miles bought from a Caddy dealer as a certified car. Before I have a dealer check the car I would like to know if this MPG is typical or atypical.

    Thanks,
    Dave

  2. #17
    dlpuette's Avatar
    dlpuette is offline Cadillac Owners Member
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    Re: 2010 CTS AWD Gas Mileage

    I run about 85% freeway and have been averaging 23 give or take. I always zero out the odo and the avg mpg screens as well as check it with the pump gal/odo. I've been surprised at how reasonably accurate the avg screen has been. I always use cruise and run about 7-8 mph over the posted limit

    BTW this is on reg 87 gas

  3. #18
    dburkart is offline Cadillac Owners Member
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    Re: 2010 CTS AWD Gas Mileage

    I would take 23 mpg average. I am just surprised it is as far off the stated mpg as it is.

    Dave

  4. #19
    conedoctor is offline Cadillac Owners Connoisseur
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    Re: 2010 CTS AWD Gas Mileage

    I get about 21 average and over 30 pure highway.

  5. #20
    MD_Coupe's Avatar
    MD_Coupe is offline Cadillac Owners Fanatic
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    Re: 2010 CTS AWD Gas Mileage

    I'm back to 13 god damn it. One time...just once did it get 18 combined. And that was right after I had the 20's put on. Absolute only thing pissing me off about the car. Test drove a V coupe today, the dealership demo, with 400 miles and the mule had 13.5mpg avg on the dash. Really really chapped my hide.

  6. #21
    conedoctor is offline Cadillac Owners Connoisseur
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    Re: 2010 CTS AWD Gas Mileage

    I have dropped about 1-2 l/100 since putting my winter tires on, stupid extra tread and studs lol

  7. #22
    OceanLad is offline Cadillac Owners Member
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    Re: 2010 CTS AWD Gas Mileage

    I'm only 3 tanks in, but I've been shocked by the mileage. I'm getting just over 15 MPG in my 2010 CTS4 AWD 3.6 Wagon.

    It sounds like peoples MPG is all over the place.

  8. #23
    Tbbt is offline Cadillac Owners Enthusiast
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    Re: 2010 CTS AWD Gas Mileage

    Yes, MPG is all over the place.

    There are MANY criteria that affect MPG. Tire pressure, tire type, brake dragging, air filter cleanliness, oil cleanliness, type of oil, wind, hills, seasonal gas type, ethanol %, weight of your right foot, on and on.

    These are fun cars to drive and if you enjoy driving them, you are not going to get the EPA mileage numbers.

    When manufacturers test for mileage, they are using professional drivers that are driving for mileage, not enjoyment.

    Driven conservatively, not for enjoyment, I get 24+ on highway trips and average 22 mixed driving. It can be done, you just need to work at it.

    Marv

  9. #24
    conedoctor is offline Cadillac Owners Connoisseur
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    Re: 2010 CTS AWD Gas Mileage

    I don't think air filter matters.

    I would say driving style is the #1 factor.

  10. #25
    SC2150's Avatar
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    Re: 2010 CTS AWD Gas Mileage

    Tell you what, any here that want to document there fuel economy before and after a visit here with $250 worth of work I will do if it does NOT improve your MPG 2-3 at least, I will refund you. No risk and it will prove to the doubters what can be done to address this issue.

    Located between Sarasota & Tampa.

    www.RevXtreme.com
    RX Performance Products/RevXtreme.com 941-721-1826

  11. #26
    calif phil is online now Cadillac Owners Fanatic
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    Re: 2010 CTS AWD Gas Mileage

    You can't beat a deal like that. If I wasn't in KS I would take you up on your offer. What can we do ourselves
    to increase the mileage?

  12. #27
    99flhr is offline Cadillac Owners Enthusiast
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    Re: 2010 CTS AWD Gas Mileage

    Quote Originally Posted by calif phil View Post
    What can we do ourselves
    to increase the mileage?
    Place an egg under the gas pedal

    ----------

    Quote Originally Posted by OceanLad View Post
    I'm only 3 tanks in, but I've been shocked by the mileage. I'm getting just over 15 MPG
    You`ve been inquiring about F/I in a nearby thread, I`m positive that will boost your mileage.
    OceanLad likes this.

  13. #28
    OceanLad is offline Cadillac Owners Member
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    Re: 2010 CTS AWD Gas Mileage

    I understand driving style affects mileage, but I've never been this far off. Here's hoping that it will creep up with time.

    And I would definitely take you up on it SC1250 if I weren't 2 days driving away. You ever think of moving the shop to MD? You'd have one customer, which is a start.

  14. #29
    MD_Coupe's Avatar
    MD_Coupe is offline Cadillac Owners Fanatic
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    Re: 2010 CTS AWD Gas Mileage

    Quote Originally Posted by OceanLad View Post
    Here's hoping that it will creep up with time.
    Don't hold your breath.

  15. #30
    SC2150's Avatar
    SC2150 is offline Cadillac Owners Connoisseur
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    Re: 2010 CTS AWD Gas Mileage

    Tim at T&T Performance in MD can take care of you....contact him and have him call me.

    RX Performance Products/RevXtreme.com 941-721-1826

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