No clue if those count, but I'd take a ridiculously oversized sword with power gloves to help me actually wield the thing. By "ridiculously oversized", I mean the size of a 16 floor tower block.
As for a vehicle, I'd take a starship. Possibly one like the Normandy SR-2 from Mass Effect 2. Not the best choice to go with in a combat situation, but there is quite a bit of space inside, letting me put all sorts of things there. A bunch of soldiers and turrets included.