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Theoretically I put 17 in tires on my car, can I use a 15 in spare if need be?

13 Answers

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  • 1 month ago

    yes you can use the 15 inch tire

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  • F
    Lv 6
    1 month ago

    As long as the stud pattern is the same and the overall diameter of wheel AND tyre is roughly the same it's OK.

    My car has 215/45zr17 or 225/40 ZR18 and the spare is 135/70R16.

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    • F
      Lv 6
      1 month agoReport

      It wouldn't pass an MOT in the UK either but somehow it's allowed as a temporary measure.

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  • Dan
    Lv 5
    1 month ago

    Sure, as a spare if it fits. Mind you there's a speed limit on the doughnut spares and it would be wise to obey that for any spare that's the wrong size.

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  • 1 month ago

    NO.you can not.

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  • 1 month ago

    Looks as bad on paper as it is in real life. But, as long as the 15 inch spare has the same overall diameter as the 17 inch tires it will work. By the way, the 17 inch and 15 inch measure refers to the hole where the rim goes, not the height of the the whole tire.

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  • Kenny
    Lv 7
    1 month ago

    If the 15" can clear the brake caliper and the tire is the same diameter.

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  • Jay P
    Lv 7
    1 month ago

    The 2" rim diameter difference doesn't matter.  What does matter is the overall rolling diameter of the wheels ( rim and tire combination ).

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  • 1 month ago

    No. the wheel diameters do no match up.

    • Road warrior
      Lv 4
      1 month agoReport

      BS. 15" and 17" are Rim Diameters; NOT ODs.

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  • Anonymous
    1 month ago

    Depends on the size/profile/diameter of the tires, not the rim size:  the greater the difference between tires on the same axle, the greater the problem.  Problems are handling/braking/steering . . . and if different sizes on drive axle, wear on differential internals.

    A little difference - OK . . . . a short while - OK.  A big difference or long distance - bad news.

  • Dze
    Lv 7
    1 month ago

    if its on a 15" rim yeah lol .. they use those little donuts on 12" rims all the time ..

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