2nd gen. A3 - (Typ 8P/8PA, 2003–present) Second generation (Typ 8P/8PA, 2003–present)

225/45/18 vs 225/40/18

Old 01-14-2011, 01:18 PM
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Default 225/45/18 vs 225/40/18

Hey folks, was hoping I can get some opinions. I'm looking to get some new tires and rims for the summer. I just recently purchased Koni FSD / Eibach suspension kit, but have to install. From what I've read online, the drop is around 1.2-1.5 inches.

What would you guys recommend as my tire size? I really don't want any rubbing to occur, especially since I live in Montreal, where the roads are only re-paved once every quarter century.

I like 225/45/18, simply because it will only add to the improvement of ride quality. But I am not sure if it diminishes my braking and my cornering.

225/40/18 is obviously what most people use, but I'm skeptical since the tires are much thinner, which equates to a much rougher ride, and as I said before, I live in Montreal.

Any help would be greatly appreciated... FYI, I currently use 17" now for the winter, with stock Audi wheels.
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Old 01-18-2011, 06:56 PM
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Default Re: 225/45/18 vs 225/40/18

225/ 45 / 18 and 225/ 40 / 18 and only different in width.. If u like that agressive stance go with the 225/45/ 18, but say u want more rubber, more comfort absorbtion through bumps and stuff, then 235/45 18 is the tire for you.. Thats the size I have, I havent lowered my car yet but will in spring time comes around.. Check my profile for pics if your interested on how it looks.. Cheers!
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Old 01-18-2011, 11:07 PM
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Default Re: 225/45/18 vs 225/40/18

Checked out your pics... Thats exactly what I'd like to have. What much space do you have from the top to the wheel well?

Also, are you using sline springs or non sline? I just want to make sure I don't get any rubbing... I've heard the rear wheel well has a small bolt that holds the bumper and don't want to have it rub when I hit bumps and what not...

Nice whip btw!
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Old 01-19-2011, 09:48 PM
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Default Re: 225/45/18 vs 225/40/18

Originally Posted by everfresh View Post
Checked out your pics... Thats exactly what I'd like to have. What much space do you have from the top to the wheel well?

Also, are you using sline springs or non sline? I just want to make sure I don't get any rubbing... I've heard the rear wheel well has a small bolt that holds the bumper and don't want to have it rub when I hit bumps and what not...

Nice whip btw!
Thanks.. Im glad you put some thought into this.. Majority of car owners, just do what they want without the research, and end up regretting.. Its a Non-S-Line A3, So it came with stock springs and Mcpherson Struts.. I say with the Summer wheels on, its got lots of room under the wheel well (guesstimating-4-inches) but considering that the tire sits flush with the front and rear fender.. I say the lowest would be a 1.2-1.5 inch drop, Safest bet..Not sure though because I havent lowered my car yet.. Lowering it in Spring- with Ebiach Sportline lowering Springs.. Other info- Depending if your getting Coli Overs or Lowering springs-if they are brand new, (Doesnt sag if used) dont lower it to low because it might lower a bit, term is called Sagging.. 2ndly When the car is done sagging or not, get an alignment.. That should keep your car in a straight line.. For the winter, I'd stick with the 17inch rims & tires, that should compensate with the snow when the car is lowered..

Last edited by Greddy87; 01-19-2011 at 09:59 PM.
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