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Old 02-15-2021, 06:11 PM   #1
Enphenate
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Default Bought an 07 2.5i Wagon with 225/40/18 tires, should I replace the wheels/tires?

I just purchased a 2007 Impreza 2.5i Wagon, it came with 18" OZ Racing Supperleggera wheels and 225-40-18 Yokohama YK580 tires. I believe the suspension is stock. I can't seem to find a lot of information but I don't believe this is an ideal configuration for my vehicle.

Considering stock wheels on this vehicle are 16", I feel like these tires are too low profile especially for WA/Seattle streets. I'm looking to get the best stability, handling, and grip I can on this vehicle. Would it benefit me to drop down to 17" wheels with wider, taller tires 235/245 - 45/50?



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Old 02-15-2021, 06:46 PM   #2
shagfagon
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18's are lame. I run 17's on my GD.
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Old 02-16-2021, 03:43 PM   #3
Mr. Boost
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225/40R18 is pretty close to the stock 205/55R16 size in terms of overall diameter, so it shouldn't be a problem to use what you've got. If you want to downsize to 17" for more ride comfort and sidewall, 215/45 or 225/45 would be close enough to the stock specs.


Running 235s or 245s would be overkill, IMO, even if you could get them to fit. You don't need that much grip on a 15 year old Impreza with stock suspension.
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Old 03-01-2021, 11:36 PM   #4
shralp4
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clean wagon looks great!
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Old 03-07-2021, 05:09 PM   #5
REX_WGN
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Quote:
Originally Posted by Mr. Boost View Post
225/40R18 is pretty close to the stock 205/55R16 size in terms of overall diameter, so it shouldn't be a problem to use what you've got. If you want to downsize to 17" for more ride comfort and sidewall, 215/45 or 225/45 would be close enough to the stock specs.
agreed. I think the math is correct.

OP, there's a tire and wheel website where you get to play with tire and wheel specs and see what's changing.

The wheels and tires actually look pretty good. I'm not doubting the bad road conditions you are mentioning in the NW, but they don't compare to the rust belt NE lol.

I think 225 at 17 is a good with, something along the lines of 225/45. It's a little tougher on the wagons since we don't have the widebody of the sedans. But again, it all depends on the specs such as the offset of the wheels as well. If you go 235 or more, you may have to roll your rear fenders.
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Old 03-15-2021, 11:20 PM   #6
Supernovabjt
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Nice looking wagon. I've got a white 05 wagon on 225/45r17s. I've got STI pink springs and the ride is firm but not harsh, and they do rub just a little. Going from the 18s to the 17s wont change your ride quality much. If you really want to squeak out a bit more pothole resistance and not go all the way back to 16's, try the stock size for 17" wheel option on your car (I think it was a 215/45r17). the slightly narrower profile will help a bit with ride quality.
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