Got a couple questions to ask... 1995 Deville tune-up and gasoline - Page 2

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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Got a couple questions to ask... 1995 Deville tune-up and gasoline in Past Cadillac Vehicle Discussion; ...
  1. #16
    albee213 is offline Cadillac Owners Member
    Automobile(s): 1998 Deville D'Elegance
    Join Date
    Mar 2013

    Re: Got a couple questions to ask... 1995 Deville tune-up and gasoline

    Does anyone ever do the math on what fuel costs? How much are you saving when you use Regualr VS Premium? Lets do some math together people!

    If you fill your tank up at a half tank like I do that’s about 10 gallons.

    10 gallons at $4.09 per gallon is.... $40.90

    10 gallons at $3.89 per gallon is.... $38.90

    Wow I saved $2 dollars once a week for $104 dollars per year...

    Your engine as it gets older builds up deposits in the combustion chamber which actually raises compression levels slightly and the fuel mixtures have changed since the late 90's adding more and more alcohol to the mix causing older engines to not run we well unless they have a bit more octane. Either way you are not saving a damn thing by using regular fuel and probably costing you the same or slightly more if you have to step on the peddle a bit harder to get the same amount of passing power/hill climbing power.

    I delivered pizza for years when I went to college and kept tight records on fuel consumption and I found that I would brake even using premium over regular in most cars.

  2. #17
    Sheryllynne is offline Cadillac Owners Member
    Automobile(s): 1999 Cadillac Deville
    Join Date
    Oct 2012

    Re: Got a couple questions to ask... 1995 Deville tune-up and gasoline

    my 99 doesn't run well on reg, I only use 91 Shell or chevron, yes brand is important to me on gas, especially on Cadi's for me anyway

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