How about adding water?
Special abilities might be:
Knight Rider - Can jump real high / Temp. Turbo Boost
Hover Craft - Can fly over water
Formel 1 car - Fastest Acceleration / Quick Repair
Tank - Biggest Armor / Temp. Invulnerable
Police Car - Horn+lights (Temp. scares enemy cars away)
Jeep - Temp. can't "fall over"
Special abilities might be:
Knight Rider - Can jump real high / Temp. Turbo Boost
Hover Craft - Can fly over water
Formel 1 car - Fastest Acceleration / Quick Repair
Tank - Biggest Armor / Temp. Invulnerable
Police Car - Horn+lights (Temp. scares enemy cars away)
Jeep - Temp. can't "fall over"