Not possible in pawn till now but possible in Squirrel and mIRC Create Vehicle Create Pickup here an Example of Squirrel NOTE : UNTESTED i made it in 1 min by hand no sure it will work ..
it will create a PCJ bike near player !
local pos = player.Pos
CreateVehicle( 191 , Vector( pos , player.Angle );
EDIT:Test it in Squirrel server! not in Pawn!