Use a virtual garage to your vehicles, to hide them in safe. So other players cant blow 'em up if you're hiding them into it.
At your base, in the radius of your territory press 6, choose --> more ---> virtual garage to store or fetch 'em. Your vehicles will spawn on the exact same spot where you hide it. So beware to fetch 2 or more vehicles in the same time at th same spot, because they will blown up eac other!