Tyre replacement question

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Currently have 225-50-R18 on my car.
Which would be a better alternative:

225-55-R18

or

235-50-R18
 
I would go with the 235, slightly wider but same side wall profile percentage means a smaller change in rolling circumference than the 225/55.
 
For what reason do you not want to replace with the same size tyre..?

235 would be a wider tyre..
55 would be a higher profile tyre, so slightly more comfortable ride but, this may or may not affect your speedometer reading.. there is a website that can calculate this, forget what it is called..
 
WAslayer said:
For what reason do you not want to replace with the same size tyre..?

235 would be a wider tyre..
55 would be a higher profile tyre, so slightly more comfortable ride but, this may or may not affect your speedometer reading.. there is a website that can calculate this, forget what it is called..
Click to expand...

Both will affect speedometer, odometer and tripmeter, the 235 less so...

tiresize.com

Tyre Size Calculator

A better easy to use tyre size calculator. Use our tyre size calculator to find tyre diameter, width, sidewall, circumference, and revolutions per mile.
tiresize.com tiresize.com

@adrcl raises a good point around cost.
 
Neuk_ said:
Both will affect speedometer, odometer and tripmeter, the 235 less so...

tiresize.com

Tyre Size Calculator

A better easy to use tyre size calculator. Use our tyre size calculator to find tyre diameter, width, sidewall, circumference, and revolutions per mile.
tiresize.com tiresize.com

@adrcl raises a good point around cost.
Click to expand...
The wider tyre should be negligible in its affect..

I am thinking that the original tyre size is one of those uncommon and likely hard to come by hence the price..

Sad thing is, my wife's car may have the same size, I don't remember now, and her tyres are nearly done for..
 
WAslayer said:
The wider tyre should be negligible in its affect..

I am thinking that the original tyre size is one of those uncommon and likely hard to come by hence the price..

Sad thing is, my wife's car may have the same size, I don't remember now, and her tyres are nearly done for..
Click to expand...

It is 1.5% for the 235/50 and 3% for the 225/55 so not much at all.
 
225/55 R18 will be a higher profile that what you currently have and might absorb bumps a bit better.

235/55 R18 will be a wider tyre with a slightly lower profile than what you have. Low profile looks sportier, but is less comfortable and more likely to burst if you hit a pothole, or damage the rim over harsh bumps.
 
This thread reminds me that the wifes car has an odd tyre size(225/55/19) that is not cheap and soon the car is going to need 2 tyres.

Need to start shopping around and i have been struggling to find 185/60/13 tyres as my 175/60/13 tyres also need replacing.

Expensive tyre replacement months ahead.
 
unobeat said:
This thread reminds me that the wifes car has an odd tyre size(225/55/19) that is not cheap and soon the car is going to need 2 tyres.
Click to expand...
I have to replace 4 x 255/40/19 in the next month or so. Sooo looking forward to it
 
adrcl said:
225-50-R18 seem to be 3 x the price of the other 2?
Click to expand...
Don't buy a car if you can't afford the tyres.

Doesn't matter what alternatives you are going to put on its going to have some effect or the other.
 
bromster said:
225/55 R18 will be a higher profile that what you currently have and might absorb bumps a bit better.

235/55 R18 will be a wider tyre with a slightly lower profile than what you have. Low profile looks sportier, but is less comfortable and more likely to burst if you hit a pothole, or damage the rim over harsh bumps.
Click to expand...

Both the options the OP posted are higher profile than the 225/50/18 he currently has on the car.
 
adrcl said:
Currently have 225-50-R18 on my car.
Which would be a better alternative:

225-55-R18

or

235-50-R18
Click to expand...
I had similar issues with my 300c Chrysler
225/60/18 - the only vehicle with that size at the time and very scarce and fvck expensive. Only Pirelli had them

I settled for 235/55/18 which had not change to the ride and about 2.5% on the clock difference they were Hankook's at 1/3rd of the price and I was very happy with them

Never go much wider than your existing because in the wet your car will act like a boat
 
So @Hemi300c
If i change from oem spec 225/55/19 to 235/55/19.
It should be fine with not much difference in the drive and speedo clock as for comfort i am keeping the same profile.
 
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