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Currently getting some 18x7.5+48 rims, I was planning to get 215/45/18 tires for some side wall protection. Any thoughts?
Are you asking if they will fit? Can you give some more info? What year and trim is your car? Are you lowered?
Is 215 approved for a 7.5" wheel? Might look a little stretched.


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Are you asking if they will fit? Can you give some more info? What year and trim is your car? Are you lowered?
Is 215 approved for a 7.5" wheel? Might look a little stretched.


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I'm on stock suspension with some 18x7.4+48 set up I want some tires with wall protection.
 

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I'm on stock suspension with some 18x7.4+48 set up I want some tires with wall protection.
Still goes back to whether a 215 is approved for a 7.5" wheel
The overall diameter of 215/45/18 is close to stock so they should fit fine.

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17x8 +40 is super functional for our Civic's lol not any more or less functional than 17x8 +35 most people probably wouldn't be able to tell the difference with the naked eye.
To each their own. I want function AND form. 17x8 +40 would be way too sunken in for my liking.
 

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Difference between 17x9 +35 and 17x8 +40 is 18mm or 0.70 inches further out which really isn't that much. Slap on some wide and meaty 245 tires on the 17x8 +40 wheels and like I said most people will not be able to see the difference between the two with the naked eye.

To each their own. I want function AND form. 17x8 +40 would be way too sunken in for my liking.
 

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Difference between 17x9 +35 and 17x8 +40 is 18mm or 0.70 inches further out which really isn't that much. Slap on some wide and meaty 245 tires on the 17x8 +40 wheels and like I said most people will not be able to see the difference between the two with the naked eye.
I don’t know. Just for giggles, I bolted one of my Advan RZ-II wheels (17x8 et37 - without tire) on my car last night and the outside of the rim pokes out just a smidge past the fender. It worries me a bit.....


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17x8 +37 is very functional. You can put a good size tire on there and be safe. 225/45 is my pick.

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Front might poke a bit but not much rear will be closer to flush. 225/45 would be a safe bet or go 235/40 if you want to be more adventurous. 235 tire on a 8 inch wheel looks perfect, how I know I have a 225 tire on a 8 inch wheel on my car and a 235 tire on a 8 inch wheel on my wife's car.

I don’t know. Just for giggles, I bolted one of my Advan RZ-II wheels (17x8 et37 - without tire) on my car last night and the outside of the rim pokes out just a smidge past the fender. It worries me a bit.....


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I have a 2015 civic si Coupe and I plan on putting 18x8 +35 wrapped in a 235/40/18 tire. Do you think that would fit flush all around and be functional? I am riding on stock height and dont plan on lowering so I want to fill the sidewall more with an 18 inch rim.
 

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My contribution, 225/45/17 hankook ventus evo2 on 17x8 +35 avid.1 av20
Long ago, I know... but just wondering what suspension your car was running at the time? I just bought a set of these wheels and 215/45/17 tires... waiting probably a month for them to arrive and I'm curious what I can expect mine to look like! I assume you have no rubbing issues?
 

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I was running tein street advance coilovers. No rubbing. I may have kissed the fender liner a few times on big bumps. With the 215 you should have no issues.

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I tried this combo (18x8 +35 with 235/40’s) on my coupe. Lowered with 2 finger gap, rubbed on everything. Run over anything bigger than a stone, tires rubbed on the fenders. You will need to add a bunch of camber in the rear to get them in the fenders. If you want to try go for it, but expect to add camber or roll and pull your fenders.

A buddy with the sedan had no issues.
 

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Daver, I think your issue was the tires not the wheel specs. 235/40/18 is more than 3% taller than stock (.75" taller)
225/40 could have avoided some of the rubbing

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Daver, I think your issue was the tires not the wheel specs. 235/40/18 is more than 3% taller than stock (.75" taller)
225/40 could have avoided some of the rubbing

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That's what I'm hoping. In addition to the 235/40R18 being 3.3% taller than the 215/45R17 tire it's also 2 cm wider.

From factory my new setup will be on a rim that I think is 1" wider (17x8 vs 18x7) and the offset is 1 cm pushed out (+35mm vs +45mm). I'm running the 2012 HFP suspension.
 

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That's what I'm hoping. In addition to the 235/40R18 being 3.3% taller than the 215/45R17 tire it's also 2 cm wider.

From factory my new setup will be on a rim that I think is 1" wider (17x8 vs 18x7) and the offset is 1 cm pushed out (+35mm vs +45mm). I'm running the 2012 HFP suspension.
You will be perfectly fine with that setup. Not really a "meaty fitment" in terms of this thread bit certainly functional. Did you confirm that your 215 tire is approved on an 8" Wheel? It might look a little stretched.

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Daver, I think your issue was the tires not the wheel specs. 235/40/18 is more than 3% taller than stock (.75" taller)
225/40 could have avoided some of the rubbing

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LouSi is asking about these exact specs on the same car. Just giving him a warning. But maybe he wants more camber than I prefer? Or it may not be an issue due to it being stock height.
 
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I need to amend my comment a bit. Since the 2015 came with 225/40/18, 235 is only 1.25% taller.
I always think back to my 2012 with the smaller stock wheel.

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