[[O.z]Caroline]

pawn Код:

dcmd_v(playerid, params[])
{
    new
        idx = 0,
        iString[ 128 ];

    if ( params[ 0 ] == '\0' )
        return SendClientMessage( playerid, COLOR_RED, "[ERRO] Use /v Nome" );

    idx = GetVehicleModelIDFromName(params,playerid);
    if(idx == 0) return 1;
        if(idx == 520 || idx == 425) return SendClientMessage(playerid, -1, "Veнculo proibido."); // Aqui
    new
        Float:x,
        Float:y,
        Float:z,
        Float:a;

    GetPlayerPos(playerid, x, y, z);
    GetPlayerFacingAngle(playerid, a);

    if(curPlayerVehI[playerid] != -1)
        DestroyVehicle(curPlayerVehI[playerid]);
    curPlayerVehM[playerid] = idx;

    curPlayerVehI[playerid] = CreateVehicle(idx, x, y, z + 2.0, a + 90.0, -1, -1, 5000);
    LinkVehicleToInterior(curPlayerVehI[playerid], GetPlayerInterior(playerid));
    PutPlayerInVehicle(playerid,curPlayerVehI[playerid],0);

    curServerVehP[curPlayerVehI[playerid]][spawn]   = true;
    curServerVehP[curPlayerVehI[playerid]][vmodel]  = idx;
    curServerVehP[curPlayerVehI[playerid]][vInt]    = GetPlayerInterior(playerid);

    format(iString, 128, "[INFO]: \"%s\" criado com Sucesso.", aVehicleNames[idx - MIN_VEHI_ID]);

    SendClientMessage(playerid, COLOR_GREEN, iString);

    return true;
}

Coloquei para proibir Hunter e Hydra,
caso queira colocar mais, acesse: https://sampwiki.blast.hk/wiki/Vehicle_Model_ID_List


Espero ter ajudado :P