Mario --> B Dasher,Standard MR,Shooting Star
Luigi --> Poltergust 4000,Standard LG,Streamliner
Peach --> Royale,Standard PC,Light Tripper
Yoshi --> Egg 1,Standard YS,Cucumber
Dry Bones --> Banisher,Standard DB,Dry Bomber
Donkey Kong --> Rambi Rider,Standard DK,Wildlife
Wario --> Brute,Standard WR,Dragonfly,
Bowser --> Tyrant,Standard BW,Hurricane
Dasiy --> Power Flower,Standard DS,Light Dancer
Waluigi --> Gold Mantis,Standard WL,Zipper
R.O.B --> Rob-Bls,Standard RB,Rob-Lgs
Toad --> Mushmellow,Standard TD,4-Wheel Cradle

When game is fully completed all karts are free to be used by any character. You will also have new ending credits and a new menu screen.