I absolutely love all the Mario Kart games, but could not agree more on how frustrating they can be.
Super Mario Kart: 150cc, there's nothing else to say about it. The game cheats you in every manner possible. Luigi turns on his Star whenever he wants and takes me out or makes it impossible to pass.
MK64: Toad's Turnpike on Extra. I've never won that race. The best I've ever managed is second.
MKSC: I can't think of anything specific that other MK games don't have.
MKDD: The handling seems really awkward in this game. It's most frustrating when you've been playing a different MK game and then go back to this one.
MKDS: Wifi is irritating. I love it, but hate it. The lag doesn' bother me that much, but the hackers, the disconnectors, and the snakers that seem to never get their hands tired out. I can snake wicked fast, but not for too many races, I need to rest my hands, but some people just don't need too.