Q5/SQ5 MKI (8R) Discussion Discussion forum for the First Generation Audi Q5 SUV produced from 2008 to 2017

Tire Size for stock 18"

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Old Jun 3, 2017 | 07:08 PM
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Default Tire Size for stock 18"

Hi Everyone,
First post. First Audi. Bought a 2013 Q5 2.0T. Awesome little SUV! I like the stock 18" wheels b\c of the nice ride it's designed for. However, I like to increase the tire width from 235/60/R18 to something around 265 or 275? Is this possible? I also maybe considering 20mm rear & 15mm front wheel spacers for a better stance. Any suggestions is appreciated!

Thanks in advance.
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Old Jun 4, 2017 | 05:45 AM
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https://www.audiworld.com/forums/q5-...sizes-2921258/
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Old Jun 4, 2017 | 06:27 AM
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255/55/18 should be easily doable. Same diameter as stock, and lots of tire models available in this size.
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Old Jun 4, 2017 | 10:21 PM
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Thanks for the link. I've notice they discussed about the tire sizes for a 19" stock.
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Old Jun 4, 2017 | 10:28 PM
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Originally Posted by ex-quattro PETE
255/55/18 should be easily doable. Same diameter as stock, and lots of tire models available in this size.
I am just curious if anyone have experience by increasing the width only and keeps the profile 60/R18. I've found a few tires size with 265/60/18 and 275/60/18.
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Old Jun 5, 2017 | 02:26 AM
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Originally Posted by BANSASN
I am just curious if anyone have experience by increasing the width only and keeps the profile 60/R18.
Why would you want to do that? you do understand that the "60" is not an absolute height value but a percentage of width, dont you? If you increase width but keep the ratio at 60, you will end up with a tire that is too tall and may cause all sorts of handling issues and possibly rub, too. That is why I mentioned using 255/55/18 because it will have the same overall height as a stock tire.
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Old Jun 5, 2017 | 09:14 AM
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Here's a 255/50R19 tire mounted on a 19" x 8.5". As you can see, the tire make a pretty big but still reasonable bulge. Now, imagine replacing the wheel with a smaller and narrower wheel (18 x 8) as yours...


Last edited by Yoshimura; Jun 5, 2017 at 09:20 AM.
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Old Jun 5, 2017 | 09:28 AM
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Originally Posted by Yoshimura
Here's a 255/50R19 tire mounted on a 19" x 8.5". As you can see, the tire make a pretty big but still reasonable bulge. Now, imagine replacing the wheel with a smaller and narrower wheel (18 x 8) as yours...

Thanks for the image. This helps cleared it up. I like your grill front bar with the chrome strips. I wonder if that will fit my 2013 grill.

@ex-quattro PETE I see it now. Thank you.
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