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Tire & Wheel Forum sponsored by The Tire Rack |
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06-27-2017, 10:42 PM | #1 |
Scooby Newbie
Member#: 191934
Join Date: Oct 2008
Location: Connecticut
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Wheel fitment for 2018 STi
Now that the 18 STi's are rolling in, and with the increase in caliper size, do we know what size wheels will fit? I've been scouring the internet for days and cannot find an answer to that question. Living in New England, summer tires as OE just won't cut it for when I get the car. I'm left with trying to find a set of 19" tires to replace the Yoko's or a winter wheel setup. Appreciate the advice.
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06-27-2017, 10:48 PM | #2 |
Scooby Newbie
Member#: 150233
Join Date: May 2007
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Trying to find out same thing. Going to need a snow setup asap
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06-27-2017, 11:09 PM | #3 |
Scooby Newbie
Member#: 191934
Join Date: Oct 2008
Location: Connecticut
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I'm very concerned about this. I am supposed to get the car in August. That leaves me with 2-3 months to find a solution. I've even asked my friend at Konig, but he doesn't seem to have an answer for me and of course the dealership wasn't any help either. There doesn't even seem to be a good selection of tires that fit the OE rim. I'm probably gonna find an all season tire and just sell the stock tires to offset the cost.
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06-28-2017, 12:19 AM | #4 |
NASIOC Vendor
Member#: 12029
Join Date: Nov 2001
Chapter/Region:
MAIC
Location: Sterling, VA
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Our Wicked Awesome wheels (18x9.5" +42) have a lot of brake clearance, and they fit every 6-pot aftermarket system we've tried, including Stoptech and the Brembo Trophy kit. My guess is the Subaru brakes will fit.
--Dan Mach V FastWRX.com |
06-29-2017, 12:19 PM | #5 |
Scooby Newbie
Member#: 180960
Join Date: May 2008
Location: Sk, Canada
Vehicle:2016 STI white |
Did a quick search on Subaru Canada's website and it shows the base model sporting the same 18" base rims that they've had on from 2015 and up. That should tell you what you need to know.
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10-15-2018, 12:25 PM | #6 | |
Scooby Specialist
Member#: 24096
Join Date: Sep 2002
Chapter/Region:
MWSOC
Location: omaha nebraska
Vehicle:2015 STi Red/white |
Quote:
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06-29-2017, 12:52 PM | #7 |
Scooby Newbie
Member#: 416864
Join Date: Mar 2015
Vehicle:2016 STI WRB |
The 6 pots are the same thickness as the 4 pots. Therefore, if the wheels fit the 4 pots, they'll fit the 6 pots.
The only thing to be concerned about is wheel diameter. 19s and 18s will fit. I can't confirm 17s though. |
06-29-2017, 02:12 PM | #8 |
Scooby Newbie
Member#: 191934
Join Date: Oct 2008
Location: Connecticut
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That's good information to know. I would much rather 17's and a bigger sidewall for a winter set up, especially with our crappy roads in the north east. I can settle for 18's if I really have to. 19's scare me for winter roads plus they are just too expensive for the winter abuse.
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08-04-2017, 11:48 AM | #9 |
Scooby Newbie
Member#: 279061
Join Date: Apr 2011
Location: Cincinnati
Vehicle:2018 WRX STI Lapis Blue |
Thanks! Did you find this our yourself or how did you come accross this info? Im about to pick up some 2008-14 18" BBS STI wheels.
Last edited by JJay03; 08-04-2017 at 12:14 PM. |
08-05-2017, 12:02 AM | #10 | |
Scooby Newbie
Member#: 416864
Join Date: Mar 2015
Vehicle:2016 STI WRB |
Quote:
https://www.autoblog.com/2010/01/07/...n-still-not-c/ The overall rotor diameter and thickness is slightly larger than the 4 pot rotors, but the calipers themselves are the same thickness. Check the link for pictures. |
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08-05-2017, 12:03 AM | #11 |
Scooby Newbie
Member#: 416864
Join Date: Mar 2015
Vehicle:2016 STI WRB |
And here's another article with more pictures confirming fitment of 18s on 6 pots
http://www.speedhunters.com/2010/07/..._impreza_r205/ |
08-05-2017, 02:32 PM | #12 |
Scooby Newbie
Member#: 279061
Join Date: Apr 2011
Location: Cincinnati
Vehicle:2018 WRX STI Lapis Blue |
Im sorry but I am still not seeing where it says about the 6 pot being the same width as the 4. I know on my last car Chevy SS when going from the 4 to 6 pot calipers that it would be very very close to the wheel and most had to run a small spacer. The Diameter was ok but it was caliper to the back side of the spoke making contact. It sucks to buy wheels from a private seller that do not fit so just trying to make sure.
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08-05-2017, 07:23 PM | #13 | |
Scooby Newbie
Member#: 416864
Join Date: Mar 2015
Vehicle:2016 STI WRB |
Quote:
That being said, if you put your thinking cap on, you can pretty easily deduce that the 4 and 6 pot calipers are the same thickness, seeing how the same OEM wheel fits over both of them with the same amount of clearance from the spokes. |
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08-05-2017, 07:55 PM | #14 |
Scooby Newbie
Member#: 279061
Join Date: Apr 2011
Location: Cincinnati
Vehicle:2018 WRX STI Lapis Blue |
I have not seen those wheels on a STI with 4 pots. Im not one who knows every subaru wheel though so I was getting my info from this thread.
https://forums.nasioc.com/forums/sho...1#post35072501 I know the diameter and offset are good so even if I have to add a small spacer I guess its no big deal. I will most likely buy them tomorrow and report back once I mount them. |
08-06-2017, 05:52 PM | #15 |
Scooby Newbie
Member#: 279061
Join Date: Apr 2011
Location: Cincinnati
Vehicle:2018 WRX STI Lapis Blue |
Got my winter wheels.
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08-17-2017, 04:27 PM | #16 |
Scooby Newbie
Member#: 472356
Join Date: Aug 2017
Location: Chesapeake Beach, MD
Vehicle:2018 STI Crystal Black Silica |
Thinking about trying a set of BBS 17" for my 2018, seller said they fit his 2017. Don't really want to drop the money just to do a fitment test.
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08-21-2017, 11:53 AM | #17 |
Scooby Specialist
Member#: 31748
Join Date: Jan 2003
Chapter/Region:
Tri-State
Location: Upstate NY
Vehicle:'19 WRX STI Series.Gray |
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08-17-2017, 04:30 PM | #18 |
Scooby Newbie
Member#: 279061
Join Date: Apr 2011
Location: Cincinnati
Vehicle:2018 WRX STI Lapis Blue |
17's would be really close. You might want to stick with 18's at least.
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08-17-2017, 04:42 PM | #19 |
Scooby Newbie
Member#: 472356
Join Date: Aug 2017
Location: Chesapeake Beach, MD
Vehicle:2018 STI Crystal Black Silica |
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08-17-2017, 04:59 PM | #20 |
Scooby Specialist
Member#: 447566
Join Date: May 2016
Location: GA
Vehicle:2017 86 Black |
Wheel fitment for 2018 STi
With 13.4 inch rotors, I can't imagine that 17" wheels (except maybe Braids?) will fit the 2018+ STI brakes. Best to at least stick with 18s.
Last edited by Chuckable; 08-17-2017 at 05:21 PM. |
08-18-2017, 03:11 PM | #21 |
Scooby Specialist
Member#: 172027
Join Date: Feb 2008
Chapter/Region:
MAIC
Location: Manassas
Vehicle:2006 CGM Wagon 322WHP 355 WTQ |
I can confirm that a 17" barrel will clear the 2018 STI brakes, barely.
For example, the Mach V Awesome wheels, 17x9 +42, DO indeed fit, though the wheel weights would need to be carefully placed as the caliper would scrape them off. |
08-18-2017, 03:33 PM | #22 |
Scooby Specialist
Member#: 64405
Join Date: Jun 2004
Chapter/Region:
E. Canada
Location: QC, Canada
Vehicle:2018 STi WRB |
I have seen this from member tylerlieberman at iwsti. This sparco wheel fits but no more details on the wheels specs. Looks like the 17" that fit are going to be a very tight fit and probably won't be a lot of them that fit.
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08-18-2017, 07:31 PM | #23 |
Scooby Specialist
Member#: 447566
Join Date: May 2016
Location: GA
Vehicle:2017 86 Black |
Wow I had no idea that wheel barrels of those 17" wheels would fit!
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08-19-2017, 04:53 PM | #24 |
Scooby Newbie
Member#: 91655
Join Date: Jul 2005
Chapter/Region:
E. Canada
Location: Quebec
Vehicle:15 STI CWP |
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02-25-2019, 11:37 AM | #25 |
Scooby Newbie
Member#: 497894
Join Date: Feb 2019
Location: Maryland
Vehicle:2018 WRX STI Limited WR Blue |
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