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225/55/17 v 225/50/17

  • 05-04-2014 5:52pm
    #1
    Bob_the_dog
    Registered Users, Registered Users 2 Posts: 184 ✭✭


    Hi All,

    Is there much of a difference in these tyre sizes? Meant to order 225/50/17 for my Yeti but ordered 225/55/17 instead. Lesson learnt, never try read the numbers off a tyre in the dark!!!

    Tks
    Bob


Comments

  • #2
    comongethappy
    Registered Users, Registered Users 2 Posts: 2,753 ✭✭✭comongethappy


    The Yeti's wheel arches are pretty big, so I doubt it will be an issue?

    (I'm probably wrong though).


  • #3
    CiniO
    Registered Users, Registered Users 2 Posts: 16,069 ✭✭✭✭CiniO


    Bob_the_dog wrote: »
    Hi All,

    Is there much of a difference in these tyre sizes? Meant to order 225/50/17 for my Yeti but ordered 225/55/17 instead. Lesson learnt, never try read the numbers off a tyre in the dark!!!

    Tks
    Bob

    Tyre diameter will increase by 22mm.
    Your speedometer will show 3.3% lower value than it used to.


  • #4
    Bob_the_dog
    Registered Users, Registered Users 2 Posts: 184 ✭✭Bob_the_dog


    Plenty of space in the wheel arches, so in theory shouldn't be a major problem.

    Tks all


  • #5
    RichyX
    Registered Users, Registered Users 2 Posts: 2,221 ✭✭✭RichyX


    I'm about to do similar for my Celica and from what I've read the difference is minimal for a change from 50 to 55 ratio.


  • #6
    pred racer
    Registered Users, Registered Users 2 Posts: 4,384 ✭✭✭pred racer


    Mine is supposed to run on 225/50/17 but I always get 45's coz they're cheaper.


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  • #7
    Lissavane
    Registered Users, Registered Users 2 Posts: 542 ✭✭✭Lissavane


    pred racer wrote: »
    Mine is supposed to run on 225/50/17 but I always get 45's coz they're cheaper.
    The tyres might be cheaper but if Cinio's post above is correct, you will use more fuel on 45s than on 50s.


  • #8
    Slicemeister
    Closed Accounts Posts: 1,526 ✭✭✭Slicemeister


    Lissavane wrote: »
    The tyres might be cheaper but if Cinio's post above is correct, you will use more fuel on 45s than on 50s.
    Seriously? Have 225 45 18 on my own yoke and not too happy with mpg.


  • #9
    CiniO
    Registered Users, Registered Users 2 Posts: 16,069 ✭✭✭✭CiniO


    Lissavane wrote: »
    The tyres might be cheaper but if Cinio's post above is correct, you will use more fuel on 45s than on 50s.

    I don't think bit lower tyres would make any difference to fuel consumption.
    Fact that engine would be running on higher revs to reach the same speed (compared to higher profile tyres) doesn't mean the fuel consumption will increase.


  • #10
    pred racer
    Registered Users, Registered Users 2 Posts: 4,384 ✭✭✭pred racer


    Lissavane wrote: »
    The tyres might be cheaper but if Cinio's post above is correct, you will use more fuel on 45s than on 50s.

    I doubt my tyre size has as much effect as my right foot;)

    Car was running on 45s when I got it, I didn't find out for ages they were the wrong size.


  • #11
    MJ23
    Closed Accounts Posts: 3,039 ✭✭✭MJ23


    I changed from 225/45/17 to 215/55/16. Sweet as a nut. The deeper tyre wall is much better. Smoother and better mpg.


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