The vehicles in RO play NOTHING like WWIIOL. The vehicle does not maintain it's speed when you switch out of the driver position; it just stops, meaning you can't scan for targets while you're on the move in a tank with your commander or gunner. You also can't reload if the gunner position is empty, meaning you have to fire, pull out of cover, switch back to gunner, sit and wait to reload, pull forward, switch back to gunner again, and fire. You can't fire, and then be on the move while you're imaginary crewman reloads for you, and be ready as you relocate ala WWIIOL.
The tanks are the best part of WWIIOL, and are implemented beautifully to be used either by one person, or many. The tanks in RO, are purposefully crippled to solo in, which is not a smart move, IMO, given how little people listen in game, and how precise tank combat needs to be. It just makes it an unrealistic tank tactics feel, and, it