Should i trade my old dirtbike for a shotgun?

the dirtbike is a 110 cc and it has some broken fenders and what not (its about 6-7 years old) and its one of those japenese knock off brands (its called a dream terminator) but it runs pretty decent. and the shotgun is a fairly new 12 gauge Harrington and Richardson single shot shotgun (meaning you have to reload after every shot) .. is the shotgun worth the dirtbike or not? i dont really have any use for the dirtbike since i have a car..