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Chezcat
Lv 4
Chezcat asked in Cars & TransportationMaintenance & Repairs · 5 years ago

Will mounting 195/60 r15 tires on a car that has stock 205/55 r16 tires cause a significant difference in the odometer?

My current OE tires are 205/55 r16. I have a set of winters from an old car that are in great shape, but they are 195/60 r15. I know the diameters of the mounted tires aren't the best match, but I'm wondering if it's reasonable enough that the odometer won't be way off.

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  • Steam_Kid
    Lv 4
    5 years ago

    not that much BUT yes there is always a BUT, now you have the risk of not stopping on time and hit someone in front when making a hard braking, and even skidding out the road when making a hard turn since the tire you got are thinner. the load capacity of the tire is smaller than the one recommended by the car maker. going with a thinner tire is far worst then using wider tires.

  • Ranger
    Lv 7
    5 years ago

    205/55r16 will turn 810.68 revolutions per mile.

    195/60r15 will turn 832.96 revolutions per mile.

    Yes, switching these two tires will effect your speedometer accuracy.

  • J J
    Lv 7
    5 years ago

    Find out. Go on a road in your area that have mile markers. At sixty miles per hour you go one mile in one minute.

  • Pilsner Man
    Lv 7
    5 years ago

    Not a significant amount, no, smaller error at lower speeds.

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  • Anonymous
    5 years ago

    yes

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