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Tyre Fitment Question For Sedan

omp

By omp,
in V Series (V35, V36, V37 & Infiniti)

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omp Collaborator

omp

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Posted (edited)

Hello all

I will be picking up some V35 18" coupe wheels from a mate soon. My V35 sedan at the moment is fitted with 215/55-17 std wheels and tyres. The 18's have fitted on the 225/40-18 for the front wheels and 235/40-18 for the rear. These tyres have about 6 months worth of useable life in them left. When these are done what would be a good size to go to? Using a tyre calculator 235/45-18 would be the best. Would these fit on the front as well as I would prefer to have the same size all around for rotating purposes. Using this tyre calculator My link it says if you go over 3% your brakes could fail is this true?

Edited by omp
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GTScotT Grand Master

GTScotT

Posted
Posted

With that sort of car the tyre size you run is not sensitive. I would either stick to the OEM size to suit the coupe (being essentially the same car) or I would alter the size based on fitment.

To clear any question you might have, cars that have sensitive tyre sizes are things such as AWD. Your car is RWD and as such doesnt matter too much if you run different sizes front to rear etc.

grae35 Collaborator

grae35

Posted
Posted

Thank you for your reply.

Is what I have posted above the standard size for the coupe? 225/40 front 235/40 rear?

Thanks again

225/45/18 are std for front

245/45/18 are std for rear

I also have a sedan and have a set of 18inch coupe rims for motor sport use. They do give an improved wider stance but unfortunately arent rotatable front to back unless you get same size tyres front and rear.

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