It's my version for gus, wich show:
If car is bought and shared: name id owner sharer
If car is bought and not shared: name id owner
If car isn't bought: name id owner (for sale) price
   elseif ($2 == !car) {
    if ($vcmp.cmdcheck(!car,%id) == fail) !halt   
    elseif (%a == -1) vcmp.msg %id  Absent ID/Name
    elseif ($vcmp.vehicle(%a,id) == 0) vcmp.msg %id  $vcmp.name(%a) is currently on foot!
    elseif ($vcmp.carowner($vcmp.vehicle(%a,id)) == For Sale) vcmp.msg %id Name: $+($chr(91),$vcmp.carname($vcmp.vehicle(%a,id)),$chr(93)) ID: $+($chr(91),$vcmp.vehicle(%a,id),$chr(93))  Price: $+($chr(91),$vcmp.vehiclecost($vcmp.vehicle(%a,id)),$chr(93)) 
    elseif ($vcmp.carsharer($vcmp.vehicle(%a,id)) != None) vcmp.msg %id Name: $+($chr(91),$vcmp.carname($vcmp.vehicle(%a,id)),$chr(93)) ID: $+($chr(91),$vcmp.vehicle(%a,id),$chr(93)) Owner: $+($chr(91),$vcmp.carowner($vcmp.vehicle(%a,id)),$chr(93)) Shared: $+($chr(91),$vcmp.carsharer($vcmp.vehicle(%a,id)),$chr(93))
    elseif ($vcmp.carowner($vcmp.vehicle(%a,id)) != For Sale) vcmp.msg %id Name: $+($chr(91),$vcmp.carname($vcmp.vehicle(%a,id)),$chr(93)) ID: $+($chr(91),$vcmp.vehicle(%a,id),$chr(93)) Owner: $+($chr(91),$vcmp.carowner($vcmp.vehicle(%a,id)),$chr(93))
    else {
    vcmp.msg %id Car Info
   }
 }