What age do most states offer a Vintage trail permit ? Pennsylvania is in the process of adding a one time permit for anything 25 years and older and yes, the cutoff moves a year every year. Question is what do people consider the newer stuff ? Most would consider anything under 10 years newer, maybe not necessarily state of the art but, definitely newer. I believe most consider anything from the long travel revolution of the early 1990's on up at least in the modern age of snowmobiles. By the 90's most all sleds had reliable electronic ignitions, hand warmers, oil injection, more than 6" of front/rear travel, even some with fuel injection.
One has to take into consideration Cars & Motorcycles have been mass produced over 100 years and sleds are at ~50 years. We are not talking furniture.
-Classic 10 or 15 yrs. and older ?
-Vintage 25 yrs. and older
-Antique 35 (?) yrs. and older