Winter Tires - 225/50/17 vs. 235/45/17 All Seasons that came with the car.
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    1. #1
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      Winter Tires - 225/50/17 vs. 235/45/17 All Seasons that came with the car.

      I have a set of 225/50/17 Blizzaks used last Winter on a 2010 Audi A4. Want to put them on a 2013 S60 T5 AWD with the 17 inch upgrade wheel currently sporting 235/45/17 all seasons. I realize there is about 1/2 inch difference in diameter. Any thoughts would be appreciated.

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    3. #2
      Member EngTech's Avatar
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      Depending on the Your Location and amount of Snow vs Actual type of Driving _ I'd personally would even consider 215's as those would track even better at speed .
      Amount of Slush in Your area vs actual hard pack on roads __ . / . __

      I will say , You don't want to take a long Hard look at the Body shops with all the Fender bender's & Audi's , Volvo's , BMW's _ sliding off Curves _ due the Tires Floating on Slush .. ( Stock )
      Type of Tire selection for Your Conditions is very Important .
      ** V50 AWD - Handling & Performance Tweaks = New Stance / VW CC - Handling Tweaks - Testing & Porting - Intake Mods
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    4. #3
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      Thanks, I want to use the 225/50/17's because I own them and they have less than 2,000 miles on them. Just want to make sure I won't run into any issues with rubbing on the fenders, etc.

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    6. #4
      Member DWBF1's Avatar
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      Remember, your speedo will be off as well using that size.

      You could probably unload what you have on Ebay/Craigslist and then parlay that money into buying tires of the right size.
      2000 V70 R| 2011 S60 T6 Polestar AWD *SOLD*

    7. #5
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      Quote Originally Posted by DWBF1 View Post
      Remember, your speedo will be off as well using that size.
      Would not be too worried about this. The difference in tyre OD is only 2.1% (656.8mm vs. 643.3mm) which means your speedo (and odometer) will indicate 2.1% high. ie @ an indicated speed of 60mph, actual speed will be 61.3mph. Not a big deal but just be aware of this around speed radar etc.

      I also wouldn't expect any problems with the larger tyre size coming into contact with anything. When you consider that car/tyre manufacturers would have to allow some clearance for the safe fitting of snow chains, an extra 1/2" (13.3mm to be exact) of tyre OD shouldn't present a problem (unless of course you combined the larger OD with the fitting of snow chains!!). I know its not directly an answer to your question but we've being running 1/2" oversize tyres on our main car (an X3) for 2 years and 50,000 km without any issues (or speeding fines).

      Tony

    8. #6
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      Quote Originally Posted by CBJ View Post
      I have a set of 225/50/17 Blizzaks used last Winter on a 2010 Audi A4. Want to put them on a 2013 S60 T5 AWD with the 17 inch upgrade wheel currently sporting 235/45/17 all seasons. I realize there is about 1/2 inch difference in diameter. Any thoughts would be appreciated.
      I have a set of 245/45/17's snow tires (ironically also off of our old A4, albeit a 2009) and they are going on this Saturday. My long time shop has them, and assures me that they will fit. By my calculation the sidewall of your snows is 2mm larger than my snows, and mine will fit, so I am confident that yours will too. Just have them mount one, and while its in the air turn the wheels completely to both sides and see, rubbing will be very apparent.

      BTW, why do you not need them for the Audi anymore?
      2013 S60 T5 AWD, 100,000+ miles in 14 states, Premier Plus, Beechwood Leather, Climate, BLIS, NJORD Rims Caspian Blue Metallic, Pirelli P7 Cinturato Plus
      Previous: 2017 Nissan 370z Sport, 2009 Audi A4 Quattro 2.0T & 2000 Mitsubishi Eclipse GT

    9. #7
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      Quote Originally Posted by Rnilsen15 View Post
      Just have them mount one, and while its in the air turn the wheels completely to both sides and see, rubbing will be very apparent.
      This is not correct. Suspension needs to be under load (i.e., on the ground) to properly test for rubbing. While it's in the air you won't be able to tell.
      2000 V70 R| 2011 S60 T6 Polestar AWD *SOLD*

    10. #8
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      Quote Originally Posted by DWBF1 View Post
      This is not correct. Suspension needs to be under load (i.e., on the ground) to properly test for rubbing. While it's in the air you won't be able to tell.
      It is not incorrect, it's incomplete. You are correct for up and down suspension travel, but left/right turning can be accomplished while in the air, and is a good indicator, not guarantee, of fit before he spends the money to mount all 4 and potentially finds out it rubs.
      2013 S60 T5 AWD, 100,000+ miles in 14 states, Premier Plus, Beechwood Leather, Climate, BLIS, NJORD Rims Caspian Blue Metallic, Pirelli P7 Cinturato Plus
      Previous: 2017 Nissan 370z Sport, 2009 Audi A4 Quattro 2.0T & 2000 Mitsubishi Eclipse GT

    11. #9
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      No it can't. The wheel's position relative to where it would rub (on the inner fender liner) is different depending on if there's load on the wheel or not. The fender liner curves inwards, towards the edge of the fender.
      2000 V70 R| 2011 S60 T6 Polestar AWD *SOLD*

    12. #10
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      Had my 245/45/17 mounted on Saturday and they do not rub.
      2013 S60 T5 AWD, 100,000+ miles in 14 states, Premier Plus, Beechwood Leather, Climate, BLIS, NJORD Rims Caspian Blue Metallic, Pirelli P7 Cinturato Plus
      Previous: 2017 Nissan 370z Sport, 2009 Audi A4 Quattro 2.0T & 2000 Mitsubishi Eclipse GT

    13. #11
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      Quote Originally Posted by CBJ View Post
      I have a set of 225/50/17 Blizzaks used last Winter on a 2010 Audi A4. Want to put them on a 2013 S60 T5 AWD with the 17 inch upgrade wheel currently sporting 235/45/17 all seasons. I realize there is about 1/2 inch difference in diameter. Any thoughts would be appreciated.
      As much as you'd think you could get away with it, I'd be concerned. The 235/45R17 tires that are OE have a load rating of 97XL, but even the standard 215/50R17 tires have a load rating of 95XL. The Blizzaks in the 225/50R17 size, IIRC, have load ratings of 94. So, I would recommend against them. If you ultimately do use them, I would never load up the car significantly.

    14. #12
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      Quote Originally Posted by [Ch]amsalot View Post
      As much as you'd think you could get away with it, I'd be concerned. The 235/45R17 tires that are OE have a load rating of 97XL, but even the standard 215/50R17 tires have a load rating of 95XL. The Blizzaks in the 225/50R17 size, IIRC, have load ratings of 94. So, I would recommend against them. If you ultimately do use them, I would never load up the car significantly.
      Good point. I checked tire rack and 245/45 17 is an optional size for the S60, the 225/50 17 is not listed. While it might not rub, I would be concerned about the weight rating too.
      2013 S60 T5 AWD, 100,000+ miles in 14 states, Premier Plus, Beechwood Leather, Climate, BLIS, NJORD Rims Caspian Blue Metallic, Pirelli P7 Cinturato Plus
      Previous: 2017 Nissan 370z Sport, 2009 Audi A4 Quattro 2.0T & 2000 Mitsubishi Eclipse GT

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