The whole point of the Gravity Jeep is that it's unique. If you then start adding Gravity Tanks and Gravity Longhorns and Gravity Skis, it becomes a bit useless.
OMG GIVE IT TO ME RAW RWRAW RAW Thats what the noobs MIGHT do
Maybe you should try looking at the gravity jeep script.
a gravity tank would be cool though.
yeah but then people might abuse it and there will only be gravity vehicles