MINI Cooper...premium or regular gas?

Discussion in 'Automotive' started by Kryptonite, Jan 5, 2015.

  1. Kryptonite

    Kryptonite Fancy Title Here

    Apr 10, 1999
    Columbus Crew
    Nat'l Team:
    United States
    What say you all? I've got one person insisting on premium (mid-range) and another insisting you're not supposed to use premium.

    This would be for a US model, US gasoline, if that's worth a difference.
  2. SenordrummeR2

    SenordrummeR2 Member+

    Jul 21, 2008
    Layton, UT
    Real Salt Lake
    Nat'l Team:
    United States
    It should say in your users manual what the minimum grade gas you should use. I'd use that as your baseline. However, there are reports that indicate higher octane fuels aren't as effective at higher altitudes, so I'd just go by what you feel performs best in the car.

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