Wheel and tire size calculation and fender gap
 

Hi all,
My stock 2016 A8L currently has 255/45R20 all around. If I change to a 21" wheel with tire size of 275/35R21, will the gap between the tire and fender going to be wider or narrower??


Thanks,
Anthony

It's not really stock as it stands...

Stock should be 265/40-20. If the size you mention is really on the car, the tire diameter will drop slightly for the 21's--about ½" diameter reduction, or 1/4" more gap.

Thanks MP4.2+6.0
I was really hoping you would see this post and response.

Have a great day.

@antmay based upon the what should be stock for a 20" wheel, you'd be near perfect.

https://www.tacomaworld.com/data/tir...275x35xR21.png

However, based upon what you stated: 255/45/20, if you want to stay about the same for a 21" wheel, you'd want 255/40/21

https://www.tacomaworld.com/data/tir...255x40xR21.png

raj99,
wow, thats super informative.

Thanks so much.