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245 45r18 tires to big?

Gavman

New member
Location
Utah
Car(s)
Kia Stinger GT
I'm looking at new tires and wanted to know should I go 245 45r18 or 245 40r18 I'm going to be at stock height with 18x8 rims. Also is there much of a difference in handling etc with side wall height?
 

MonkeyMD

Autocross Champion
Unless you REALLY need:
1) better wheel protection I.e. Shock absorption from severe potholes
2) softer ride due to back problems
3) marginally higher ride height for I don't know, offroading

Go with 245/40

They'll give you more accurate speedo
Less likely to rub
Look better (subjective)
 

Ismetz

Passed Driver's Ed
Location
Waterloo iowa
I got 245/40 18” Pilot P4S on my car on stock suspension and I got no rubbing or any fitment issues.
 

DarkArrow

Drag Racing Champion
Location
OC
Car(s)
'18 R
I'm not sure if this helps, but on my R, I have 245/40 18 PSS on 18x8.5 wheels at stock height, and they rub when I hit big bumps or corner hard. I haven't done the screw mod yet.
 

Ismetz

Passed Driver's Ed
Location
Waterloo iowa
I’m surprised it rubs. Maybe the Golf R sits lower the a GTI? I didn’t do the screw mod and no rub or anything.
 

Ezyrider

Ready to race!
Location
IL
I have the stock hankook 225/40/18s. Will be replacing soon, plan to go with same size on my stock wheels, as I have heard too many issues with larger er tires on stock wheels My .02


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Sparky589

Drag Racing Champion
Running 245 40 18's with decent drop and I'm getting occasional rubbing. Going to do the fender screw delete tonight, and will chime back in if that fixes it.

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Gavman

New member
Location
Utah
Car(s)
Kia Stinger GT
What's the wheel size you went with sparky? As in width and offset?
 
Last edited:

Sparky589

Drag Racing Champion
What's the wheel size you went with sparky? As in width and offset?
I went with the konig ampliform, it's an 18x8.5 wheel with an offset of 43.

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mk7rip

Go Kart Newbie
Location
socal
Car(s)
mk7
Running 245/40r18 R888s up front on 18x8.5 et45 with some 10mm spacers. Slightly lowered and i just slightly rub on the inner fender well.
 
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