Five year old article on the "15 inch tire problem"

72bluNblu said

Unless cars start coming with 15” rims again, you will only see tire availability for 15” rims decrease. Like has been said, not hard to figure out. Current car production doesn’t have much, if anything, in the way of 15” rims. Certainly not with anything wider than 225 unless it’s a truck, and even then not much. So yeah, there just isn’t the demand to justify making that many sizes. And it will get worse, not better. BFG and Cooper only have options because they’re filling the demand for every single muscle car era classic there is. As that continues to wane, your only option will be Coker.

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All of the above goes without saying.

So there are thousands of muscle cars rolling around on BFG Radial T/As, Cooper Cobras, Mickey Thompson SportsmanS/T, Masterctaft Avengers, etc. It’s not necessarily a growing market but it supports quite a few competitors, all offering rock hard 400 treadwear rubber! If ONE performance tire was offered in muscle car size ranges, it would almost certainly grab a sizable chunk of that market and they could charge 2x the price. It might even pull back some of the 18” guys if the grip was at least passable.

I suspect that the offerings are steering the market rather than the other way around because of some bean counters at the tire companies who don’t get car culture.