Probably the crown jewel out of the eight tracks is the most simple one ever made for a Mario Kart game, Double Dash's Baby Park! After being featured as a retro track in MKDS, it returns for more frustration! Of course Bowser shells aren't around anymore, that was half of the fun with this place, but oh well. Get ready for many broken controllers when you visit it in 200cc! Then we have a duo of GBA tracks, Cheese Land and Ribbon Road. Not that surprised, the GBA was the most underrepresented in terms of retro tracks so far, with only Mario Circuit present. MK7's Neo Bowser City rounds out the retro quartet.
As for new tracks, Animal Crossing was actually announced a while ago, and it will feature four variants, one for each season. Here's to hoping this is cosmetic and nothing else, because otherwise I'm pretty sure no one would like ending up on the winter version if they can avoid it (especially in Time Trial). We already have Sherbet Land covering the whole icy aspect anyway. Surprisingly, we get a second F-Zero-based track, which is naturally going to be Big Blue. Didn't expect that, I thought Mute City was going to be it - not that I'm complaining, it was one of the coolest tracks in the game anyway, complete with the recharge zone mechanic. Then we have Wild Woods and Super Bell Subway as the two tracks no one really cares about, at least until we get to play them.
As an added bonus, we also know what the four extra vehicles will be: the Streetle and P-Wing karts, the City Tripper bike (no word on the drifting type), and the Bone Rattler ATV. This last one is particularly welcome, because the only ATV that doesn't look like crap is the standard one. Then again, if you only care about function, there are karts and bikes with the same sets of stats as the other ATVs, but if you really want to drive an ATV, this'll be welcome (as long as the stats are there).
Note that I probably won't be able to try the DLC and give my two cents on it for a while, since my gamepad is currently out for repairs all the way over in Toronto. I'd say that's unfortunate timing, but the thing was still under warranty, so at least there's that.