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Has anyone fitted 255/45/R20 tires on 20 inch wheels?

I am considering buying winter rubber in 255/45/R20. Has anyone done this? Any issues other than ~3% speedometer inaccuracy? No rubbing?

255/40/R20 is stock size

But the 45 aspect ratio tires are more common and considerably cheaper. The extra 12mm of sidewall height should help with ride too.

Thanks!
 
No rubbing issues after almost a week of driving. Fill out the wheel arches better, and the ride is way smoother.
There is less than a finger of clearance between the tire and front upper control arm, but they move together so it should not rub.

Speedometer is underreporting, slightly.

I am probably buying summer tires in this size next year too.
IMG_3207.jpg
 
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I am considering buying winter rubber in 255/45/R20. Has anyone done this? Any issues other than ~3% speedometer inaccuracy? No rubbing?

255/40/R20 is stock size

But the 45 aspect ratio tires are more common and considerably cheaper. The extra 12mm of sidewall height should help with ride too.

Thanks!
100% good idea. Much smoother ride and no performance decline.
 
Any impact on handling at higher speeds?
Handling at higher speeds on the freeway seem about the same. I have yet to go for a blast out on the windy country roads near me with these new tires.

Had I opted for non-run flat tires I’m sure the ride would be even better. I may change from 42psi to 38psi and see if that helps.
 
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