IS250 Factory Tyres

[baviaannl]

Just wanted to confirm with the MK2.

 

Am I right in thinking they came out the factory with 225 front and 245 rear profiles?

[Linas.P]

on 17inch wheels - yes, width was 225/245. I might be wrong, but I tend to use word "profile" for sidewall thickness, in which case it is 45 for both.

[scudney]

on 18 inch wheels they are 225/40 and 255/40

[J Henderson]

 

46 minutes ago, Linas.P said:

on 17inch wheels - yes, width was 225/245. I might be wrong, but I tend to use word "profile" for sidewall thickness, in which case it is 45 for both.

Yes, that's correct, hence the term "low profile". Journalists commonly use the term "section" to describe a tyre's width.

[Guest bigbullhead]

So the fronts and rears should be different sizes? I did not know that what if someone has the same sizes on both axles?

[rayaans]

59 minutes ago, bigbullhead said:

So the fronts and rears should be different sizes? I did not know that what if someone has the same sizes on both axles?

Yes from factory.

Won't do any harm having the same diameter on both axles as the 3rd gen is on 225/40 r18 and 255/35 r18

[Linas.P]

Indeed, that is because it is considered "safer" when car understeers instead of owersteering. Except of that there is no real reason to do it, last 2 times I have replaced tires on IS250 both times fronts were totally bald (~2mm) and rears still had 3.5mm of thread left. IS250AWD has squared set-up as well.

[baviaannl]

Are the wheel nuts 21mm on the mk2?

[J Henderson]

You need a 21mm socket to remove them, if that's what you mean.

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