20" wheels, I can't decide which ones
Well I feel stupid. I went out to get the tire size and wouldn't ya know - they're 20's. So... I CAN confirm that 20's fit. Sorry for that - I have too many cars and got mixed up on what the van had. The tires are: 245/45/ZR20. I'll look for some better photos.
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What will putting 20" wheels on a GC do to the accuracy of the speedometer and to the fuel economy and DTE calculations?
I am guessing the speed will be reading very low - is that correct?
If so, is there any way to correct this?
I am guessing the speed will be reading very low - is that correct?
If so, is there any way to correct this?
Going with a lower profile tire helps, but it will still read low MPH. I'll GPS it vs speedo it & see. One of the other guys said it was about 3 mph @ 60 MPH, so it won't be too bad.
BTW, I did go with the OEM color & will probably put Hankook 245/45 ZR20s on them.
BTW, I did go with the OEM color & will probably put Hankook 245/45 ZR20s on them.








