[Harish]

lol its a big script work..
try this

on player buy a car bool:ishavingcar[MAX_PLAYERS];

and save it seperately as owncars/playername.ini

save the cord with GetVehiclePos and GetVehicleZangle and color1 and color2

and playerspawn load the file owncars/playername.ini

and put CreateVehicle with all the cord readed