I don't believe they made the bear tracker in 4x4.. but the bear tracker, timberwolf and wolverine of these models were identical.. and it was several years they all looked identical.. that's why it's so hard to tell what it is or the year model.. and yes, both bikes are complete except the mystery bike is missing the pull cord assembly and if the big bear had a factory winch, it's missing but if it didn't come with a winch then it's 100% complete.. no manuals for the big bear, but haven't checked the mystery bike yet.. I'm gonna go out on a limb tho and say it's gone.. lol.. but I'm gonna get new ones for both.. and it's gonna be very awesome seeing them revived considering they haven't been ran in close to 9 years.. they've just been sitting up in a grassy tomb.. as far as a budget, I didn't really wanna be over 1500 to 2000 because if I ever decided to sell them, that's about all I would get out of them.. but considering I got both together for 200 bucks, I should be well under that mark.. and I always use eBay for just about everything.. that's where I've gotten all the parts for the bear so far and found the hotshot performance cdi for it.. thanks, and hopefully I can be of help to yall one day and return the favor..