Let's talk tire sizes

[scott99c2]

Ok, let's put this out there first, I'm not a fan of the "stretched" tire look on a rim. That may be fine for a Civic, but that isn't going to work for me. I bought HRE FF01's for my S7 and they are 10.5" all around. Here are pictures of HRE recommended tires: 275/35/20



That's pretty damn stretched. According to Sean at TAG, a 285/35 is about the only size that won't rub.

Here's how far it is from the rim:



So on a 10.5" rim, which fits beautifully with the offset, that may be the best I can do. So it appears I have some options:

a) Return the whole package before I drive on it and find a 20x10 to use
b) Get another size tire and go up some (285/35, 295/30, etc)
c) Suck it up and be like a Civic.

Any thoughts or opinions on this topic?

[S5_newbie]

I'm having same problem with my Rotiform 21x10.5" as well. Running the stock 275/30/21 and they look like I stole the damn tires.



I'm going to go with a 295/25/21 setup asap to achieve this stance.




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[S5_newbie]

I would consider going with a 295/30/20 setup.


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[scott99c2]

I would consider going with a 295/30/20 setup.


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Thanks, if nothing else, you made me laugh about the tires looking like you stole them!

[P_G]

275/30/21 look stretched on the OEM 21" blades on an RS7 so no surprise they look like they do on a 10.5" rim. Looked at 285/30 but some tyre shops won't fit them for safety reasons because they suggest 275 is the maximum you should fit on a 9J rim. You just can't win.

If you are in a 10J or 10.5J I would have thought 295/25 but fear the harshness of ride


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[gaudium in veri]

I have the same issue and will try to post a pic in the next few days. Just got my new set of 21x10.5 ADV1 rims like 2 weeks ago and kept the stock tires (275/30/21) on them. They are too stretched and it also makes the wheel gap larger. I may get larger tires come spring and may have to see about lowering the car a bit too. It's a bit too stretched and too much wheel gap for my taste.

[zcd2.7t]

10.5" wide wheels?? Seems like complete overkill on cars like these unless you want the ricer/stance-boi look..

I mean, I guess if you don't mind rubbing, or plan to roll your fenders, but still....

Different strokes for different folks, I guess.

Responding directly to the OP: I'd send 'em back.

[P_G]

On an RS 10.5J fits just fine


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[notaclue]

Assuming your stock S7 setup came with 265/35/20, you should be fine with 295/30 on 10.5" rim. I have 285/30 Conti DWS06 on my A7 sport with Eibach springs and have zero rub. They are a bit stretchy for me too, but not terrible. Conti doesn't make the 295/30 in the DWS06, but PSS has them...prob will buy them when I need a new set.

The 295/30 is much closer to the 265/35 overall diam spec. - http://www.wheel-size.com/calc/?whee...cl=50mm&sr=0mm

Hope this helps you decide - good luck!

[scott99c2]

10.5" wide wheels?? Seems like complete overkill on cars like these unless you want the ricer/stance-boi look..

I mean, I guess if you don't mind rubbing, or plan to roll your fenders, but still....

Different strokes for different folks, I guess.

Responding directly to the OP: I'd send 'em back.

I don't believe in using spacers, and these are a great flush fit wheel-wise. They're just not so great from a tire perspective.

[zcd2.7t]

I don't believe in using spacers, and these are a great flush fit wheel-wise. They're just not so great from a tire perspective.

I won't run spacers either.

Seems you're gonna need new tires, then...

[S5_newbie]

10.5" wide wheels?? Seems like complete overkill on cars like these unless you want the ricer/stance-boi look..

I mean, I guess if you don't mind rubbing, or plan to roll your fenders, but still....

Different strokes for different folks, I guess.

Responding directly to the OP: I'd send 'em back.

10.5" is almost standard for most 21" one piece wheels. When the car is pushing almost 600hp, I would actually think 9s all around will not suffice.

285/30/21 is bigger than the stock 275/30/21, in theory it fills the gap a bit better but I've seen some OPs post their stance and they don't look that good. Also there's high chance it'll rub.

295/30/21 works but only if you are ok with a beefier setup. Again chance of rubbing too.

Will post pics once I order my 295/25/21 Michelin PSS in. Have lowering links standing by in case I need to dial that extra 1/4" or 1/2" drop. Yes I'm OCD :p


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[BB c7]

Seems like wheel and tire experts are here.
Can i ask questions?
I would like to get a niche form wheel on my c7 a6 with sport suspension. They have 20x8.5 wheel that guaranteed the fitment.
But i would like to go with 20x10 wheels because of the concave look.
My question is, if any of you running 20x10 wheels on c7 a6 ?
Would it fit with out any issues?
If i run 255/35/20 tires would it stretch too bad ?
Thank u all


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[Don Draper]

Ok, let's put this out there first, I'm not a fan of the "stretched" tire look on a rim. That may be fine for a Civic, but that isn't going to work for me. ..............

Any thoughts or opinions on this topic?

You're very humble.

[scott99c2]

You're very humble.

High praise from someone who lists every $50k+ car he's ever owned in his sig.

[mjfloyd1]

I agree that that looks too stretched. I'd either get wider tires or send them back for narrower wheels. Your car, your choice but I think I'd go with wider tires.

[Don Draper]

High praise from someone who lists every $50k+ car he's ever owned in his sig.

Touche. But Ive never been condescending about someone elses mode/brand of transportation. Although, what they do with it is a different story..

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[P_G]

Back on topic I'd look at 285/30 as the same alternative to try as these tyres fit the RS6 albeit on a 9.5J rim so I can't see problems with rubbing. Got any more pics with the HRE's on BTW?

[VVG]

A few comments......

1. Actual tire widths for a given size can vary widely between brands. Did you know that a 255 Yokohama Advan Sport is 11mm wider than a 275 Michelin PSS? (I actually measured this). Likewise, Continental fits wider than Michelin. I guarantee that a 275 Continental tire would not look so stretched on a 10.5" wheel.

2. As a rule of thumb: 255 fits best on an 8.5-9" wheel. 265 on a 9-9.5" wheel. 275 on a 9.5-10" wheel. The aspect ratio also comes into play however. The lower the aspect ratio, the more the stretch on a wider wheel.

3. Finally, for all of you who don't want to use spacers.....why not? I have run them for years on a number of high performance vehicles with no issues whatsoever.

[P_G]

Continental 5P 275/30 look stretched on a 9J OEM blade alloy, let alone a 10.5J wheel. Not as stretch as the OP's pictures for sure but the side wall is not straight and flush with the face of the alloy and what rim protection there is supposed to be on them does not protrude over the lip / face of the alloy. Good years have consistently had the best rim protection in my years of driving performance Audis along with Vredesteins, Continentals are poor, never used Michelins to date but may go 285 MPSS's next on the OEM wheel.

[Logtec]

What's the best tire for less body roll, the hardest ones, Pirellis? I never liked Continetals, they are way too soft for my taste an ware out quickly.

[P_G]

Pirellis are softer than Conti's in my experience. Grippy yes but low durability.

[jstrebel]

I run 285 Toyo's on a 10.5 rim.. lowered, some minor rubbing. But looks better overall then the 275's

[IceyTys]

I'm having same problem with my Rotiform 21x10.5" as well. Running the stock 275/30/21 and they look like I stole the damn tires.



I'm going to go with a 295/25/21 setup asap to achieve this stance.




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Hey what sized offsets are you running, 35mm? And are you clearing the front brakes without a spacer? I'm looking at the same wheel for my S6, but nowhere online I can't seem to find where they'd fit.

[widebodyfx]

Hey what sized offsets are you running, 35mm? And are you clearing the front brakes without a spacer? I'm looking at the same wheel for my S6, but nowhere online I can't seem to find where they'd fit.

10.5 +35 would be a challenge to fit normally on a stock body 6. Short or narrow tires might make it possible but it's a fair bit of poke compared to the fairly standard 9.5 +35 http://www.willtheyfit.com/index.php...t2=35#isPage=1

I'm local if you want to see what 9.5 +35 looks like.

[IceyTys]

10.5 +35 would be a challenge to fit normally on a stock body 6. Short or narrow tires might make it possible but it's a fair bit of poke compared to the fairly standard 9.5 +35 http://www.willtheyfit.com/index.php...t2=35#isPage=1

I'm local if you want to see what 9.5 +35 looks like.

Thanks WidebodyFX, unfortunately I'm not local anymore. I'm now in Austin, TX. There's a guy I've met on insta running same wheel at 10.5 on a 3.0 TDi wagon, and he says wheels are almost perfectly flush, my concern however is I couldn't clear the brakes of the S6 with these Rotiforms. Reason why I was curious bout the offset and spacer question. I emailed Rotiform, but never heard back.

FYI my last s5 was 20x10.5 ET 27, so definitely not afraid to be aggressive, just trying to maximize the concave look of my s6 with a 21" wheel w/o going custom forged. Mind numbing

[S5_newbie]

Hey what sized offsets are you running, 35mm? And are you clearing the front brakes without a spacer? I'm looking at the same wheel for my S6, but nowhere online I can't seem to find where they'd fit.

No spacers on front brakes and theres good 2-3mm clearance to the brakes. Standard Rotiform 35mm offset on their 21" SPF wheel.

Will have 295/25/21 Michelin PSS on by Tuesday, so will update everyone how that's going to look.

Anyone interested in taking my stock set of 275/30/21 Conti SportContact 5P? 80ish% tread left.

[S5_newbie]

Seems like wheel and tire experts are here.
Can i ask questions?
I would like to get a niche form wheel on my c7 a6 with sport suspension. They have 20x8.5 wheel that guaranteed the fitment.
But i would like to go with 20x10 wheels because of the concave look.
My question is, if any of you running 20x10 wheels on c7 a6 ?
Would it fit with out any issues?
If i run 255/35/20 tires would it stretch too bad ?
Thank u all


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You should run a 275/30/20 tire all around and it'll be the perfect stance.

255s will indeed stretch way too much. Most 255 tires don't even list 10" as a width their tire can fit.

[IceyTys]

No spacers on front brakes and theres good 2-3mm clearance to the brakes. Standard Rotiform 35mm offset on their 21" SPF wheel.

Will have 295/25/21 Michelin PSS on by Tuesday, so will update everyone how that's going to look.

Anyone interested in taking my stock set of 275/30/21 Conti SportContact 5P? 80ish% tread left.

Awesome, thanks, can't wait to see ur car with the new tires. GL

[Glacier6]

You should run a 275/30/20 tire all around and it'll be the perfect stance.

255s will indeed stretch way too much. Most 255 tires don't even list 10" as a width their tire can fit.

I was running Conti DWS 265/35/20 on my 20x10s and there was a bit of stretching.

Just replaced with DWS 06 275/35/20 and the fitment is now perfect.


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[scott99c2]

I was running Conti DWS 265/35/20 on my 20x10s and there was a bit of stretching.

Just replaced with DWS 06 275/35/20 and the fitment is now perfect.


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Got any pictures?

The closest tire size is really a 295/30/20, which should work fine on a 10.5" rim. I'm just concerned about rubbing. Anybody got any experience?

[Don Draper]

275/35 /20 Conti - CS2 on 10.5. Not as stretched as the PSS. Comes down to the sidewall profile.

[Ze_Nardo6]

3. Finally, for all of you who don't want to use spacers.....why not? I have run them for years on a number of high performance vehicles with no issues whatsoever.

I was wondering the same thing. I have heard very few negatives regarding spacers.

[lx4life]

275/35 /20 Conti - CS2 on 10.5. Not as stretched as the PSS. Comes down to the sidewall profile.

As what Don Draper talked about, you have to actually look at the tire cause every tire run differently, hard to imagine but true. I am running 285 30 on a 20x11 and they are stretched like I am running 255, on the other hand i had 295 25 on my 22x10.5 and it had a nice lip protection. Tire hung over the wheel.

[BB c7]

275/35 /20 Conti - CS2 on 10.5. Not as stretched as the PSS. Comes down to the sidewall profile.

Do u know if i can run 20x10 et40 wheels on c7 a6 with sport suspension?


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[scott99c2]

275/35 /20 Conti - CS2 on 10.5. Not as stretched as the PSS. Comes down to the sidewall profile.

Thanks Don, that's helpful. I'll call Tire rack today and see what they say.

[scott99c2]

I was wondering the same thing. I have heard very few negatives regarding spacers.

I just view the spacers as another point of failure, and I don't really like the way they work, to be honest. The idea is to bolt something to the hub, then bolt something to the spacer and hope that it's just as strong as something the factory designed. In the old days (yes, I'm older than a lot of you), they also caused stress on the hub resulting in failed bearings and ball joints, because it moves the axis of the stresses further out.

In my opinion, the *right* solution are wheels with the correct offset that don't cause those stresses, don't have extra parts to fail, etc. In reality, the chances of failures are very small and lots of people use them. I just view them as a band-aid to fixing the problem correctly, that's all.