How do you unlock all the cars in hot wheels world race?

How do you unlock all the cars in hot wheels world race?
Cloud 9
50: 40 Somthin
100: Golden Arrow

Satellite City
50: Aeroflash
100:Pony Up

Vapor City
50: Power Pistions
100: Zotic

Tezla's Cube
50: Malestrom
100: Silhoette II

Space Out
50: Jester
100: MST Suzuka

Mist Mountain
50: Rodger Dodger
100: 1/4 Mile Coupe

Emerald Crater
50: Vulture
100: Power Rocket (Impossible On Gamecube)

Deep Zone:
50: Power Pipes
100: Switchback

Egyptian Dunes:
50: Seared Tunner
100: Sweet 16 II

Glacier Edge:
50: Side Draft
100: Road Rocket

Lava Twists:
50: Sooo Fast
100: Muscle Tone

Pyramid Run:
50: Super Tunned
100: Mega Duty

Submerged City:
50: Backdraft
100: Nomader What

Ice City:
50: 24 Seven
100: Hot Wheels Prototype 12

Vast Jungle:
50: Twin Mill
100: Greased Lightning