http://www.moderntiredealer.com/article/story/2013/02/taming-wild-sku-proliferation.aspx
"………...Over the last three decades, the number of unique sizes fitted to U.S. vehicles in a model year has nearly quadrupled. In 1983 there were 157 unique sizes, in 1993 there were 237, in 2003 there were 340 and in the 2012 model year — a whopping 588 unique sizes……………."
Plus there are some new and odd tire sizes available this year and 2015:
New passenger tire sizes:
275/35R15 (standard load) (what the heck does this fit?)
305/55R20 (extra load);
P245/40R18 (extra load).
New LT sizes:
LT205/70R15 (Load Range C);
LT215/65R16 (Load Range D);
LT375/40R24 (Load Range F).
http://www.moderntiredealer.com/news/story/2014/12/get-ready-new-tire-sizes-are-on-the-way.aspx
"………...Over the last three decades, the number of unique sizes fitted to U.S. vehicles in a model year has nearly quadrupled. In 1983 there were 157 unique sizes, in 1993 there were 237, in 2003 there were 340 and in the 2012 model year — a whopping 588 unique sizes……………."
Plus there are some new and odd tire sizes available this year and 2015:
New passenger tire sizes:
275/35R15 (standard load) (what the heck does this fit?)
305/55R20 (extra load);
P245/40R18 (extra load).
New LT sizes:
LT205/70R15 (Load Range C);
LT215/65R16 (Load Range D);
LT375/40R24 (Load Range F).
http://www.moderntiredealer.com/news/story/2014/12/get-ready-new-tire-sizes-are-on-the-way.aspx