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So, without actually seeing a spare for the 2022 Kona N-Line, you’re going to assume that it can’t be the factory spec 125/80D16? Ok.
Yes, it can't be that size. because IF anyone used that size on a Kona N-Line it 100% will take out a transfer case because the outside diameter is 2 inches too small and Hyundai only wants 2mm smaller tire size to save the transfer case. Of course you can get by with more then 2mm. maybe 5mm it would still be ok , but I bet not much more. And you think you can go 2 inches? **** no. It would have to be 145/90 16 of some kind of variant of say a 17 inch wheel with a tire with a 26.3 inch diameter. The 125/80 16 is 24 inch diameter.
 

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So, without actually seeing a spare for the 2022 Kona N-Line, you’re going to assume that it can’t be the factory spec 125/80D16? Ok.
I purchased a 2022 Kona SEL with AWD back on February 25, 2022. It came with a 125/80D16 spare tire. Thanks to this forum and in particular this thread, I had the spare tire changed to a Falken 145/90R16 last week, rather than chance ruining something on my Kona, if I ever need to use the spare tire.

Still wondering if even with the 145/90R16 being used as a spare tire . . . if you get a flat on the front axle, if you need to put the 145/90R16 on the rear axle and move a rear axle tire (215/55R17) to the front, since there is still a slight difference in tire size diameter between the 145/90R16 and the 215/55R17 tires?
 

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Discussion Starter · #24 ·
I purchased a 2022 Kona SEL with AWD back on February 25, 2022. It came with a 125/80D16 spare tire. Thanks to this forum and in particular this thread, I had the spare tire changed to a Falken 145/90R16 last week, rather than chance ruining something on my Kona, if I ever need to use the spare tire.

Still wondering if even with the 145/90R16 being used as a spare tire . . . if you get a flat on the front axle, if you need to put the 145/90R16 on the rear axle and move a rear axle tire (215/55R17) to the front, since there is still a slight difference in tire size diameter between the 145/90R16 and the 215/55R17 tires?
With FWD you’re only supposed to put the spare on the rear wheel, because it doesn’t have the same traction as a full size tire. It’s a royal pain because you basically need to do 2 tire changes if you got a flat at the front.

With AWD it’s actually less of a problem, because the AWD system will automatically compensate for the loss in traction. That’s the entire reason for having AWD. The diameter difference between 145/90R16 and 215/55R17 is 0.035” or 0.9mm, which is too small to notice with a naked eye, and still within the tolerance of uneven tire wear. The max difference for AWD is 4/32” (0.125), with the recommended number not exceeding 2/32” (0.06).

Because Kona AWD acts as FWD most of the time, it’s not a bad idea to put full size tires up front. But, I wouldn’t worry about it if I’m just driving it several miles to the next garage.
 

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Discussion Starter · #25 ·
The spare tire size is 125x80Dx16 as supplied by Hyundai, and the tire brand is Kuhmo.

Pat.
Yeah, that’s not good. I think you’re better off replacing it with 145/90R16. Falken is better because it’s radial, hence the R. The other brands (Yokohama and Kumho) use bias ply, so theirs is 145/90D16. In the grand scheme of things it matters little for a tire used for 50 miles max. However, Falken happens to be the cheapest around here.
 

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Yeah, that’s not good. I think you’re better off replacing it with 145/90R16. Falken is better because it’s radial, hence the R. The other brands (Yokohama and Kumho) use bias ply, so theirs is 145/90D16. In the grand scheme of things it matters little for a tire used for 50 miles max. However, Falken happens to be the cheapest around here.
The spare tire size is 125x80Dx16 as supplied by Hyundai, and the tire brand is Kuhmo.

Pat.
Welcome to Hyundai!!!!!!!!!!!! <----- Stupid is what stupid does. I will assume a Sube guy will buy an AWD. Sending the WRONG spare to the car buyer that will explode his transfer case in about 1 second, if he uses the spare tire). If you do have a FWD there is no way I would use the smaller spare for any reason. Make Hyundai get you the correct spare. If you blow a tire flat bed your car.
 
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