theres a reason why all heavy vehicles and vehicles that are designed to carry heavy loads are mostly built with diesel engines..
buses_galore
How about a hummer?
Ponders
Once the 747 moves, it isn't that hard to tow it because it will move under its own inertia. Instead it might be dangerious for the Toureg if the tow bar gives way and the 747 can't stop in time and rolls over the Toureg.