AWD Tire Question
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Driver School Candidate
Joined: Oct 2020
Posts: 3
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From: TX
If you have 19" OEM wheels (F-Sport AWD) - stock tires are 235/40/19 ... upsizing to 245 width gives you more options/choices and no adverse affects.
He mentioned he has 18" OEM wheels (non F Sport AWD)- stock tires are235/45/18..upsizing to slighter wider 245 gives you more tire options and no adverse affects either.
Keeping the height/profile the same in this case at 45 ensures the lowest possible difference in rolling diameter...Helpful tool: https://www.1010tires.com/Tools/Tire...ismetric=False
@MGs350 Pros and Cons: Wider tires give you more tire on the pavement thus better grip for handling/acceleration...but at the expense of a little bit of braking disadvantage and snow/sleet disadvantage. Narrower tires (215/225 wideth) are safer in inclement weather but don't grip as well as wider tires.
Usually upsizing or downsizing helps when selecting tires when it comes time to replace them, especially if you are having a hard time finding all 4 preferred tires in the stock width - upsizing just a touch gets you the same tires all around and often at a cheaper price (i've seen 245 tires cheaper than 235 in many instances!)
He mentioned he has 18" OEM wheels (non F Sport AWD)- stock tires are235/45/18..upsizing to slighter wider 245 gives you more tire options and no adverse affects either.
Keeping the height/profile the same in this case at 45 ensures the lowest possible difference in rolling diameter...Helpful tool: https://www.1010tires.com/Tools/Tire...ismetric=False
@MGs350 Pros and Cons: Wider tires give you more tire on the pavement thus better grip for handling/acceleration...but at the expense of a little bit of braking disadvantage and snow/sleet disadvantage. Narrower tires (215/225 wideth) are safer in inclement weather but don't grip as well as wider tires.
Usually upsizing or downsizing helps when selecting tires when it comes time to replace them, especially if you are having a hard time finding all 4 preferred tires in the stock width - upsizing just a touch gets you the same tires all around and often at a cheaper price (i've seen 245 tires cheaper than 235 in many instances!)
This was really insightful AJLEX thank you for the input. I'll keep this in mind. Yes @MGs350 car came with 235/45/18.
Racer
Joined: May 2004
Posts: 1,733
Likes: 383
From: Philadelphia
The trade is an increase in comfort for a minor decrease in handling.
Most folks are not generally pushing the limits of this car as a daily driver, so comfort is generally more important than handling.
The other popular change among those seeking comfort is GT tires instead of high performance. With them, you get longer tread life and greater comfort at the expense of grip.
I have not seen anyone report fitment issues going from 235 to 245, and it's my plan to make that change next time I replace tires.
Last edited by jonathancl; Oct 6, 2020 at 10:40 AM.
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