Here's mine:
First the mixer, power supplies, and a 30-pin-to-Lightning adapter go into one of those silver padded cases (that's had extra padding added):
The another piece of padding, and the router, ethernet cable, and power cable go in:
Finally, it, and all the rest of the PA, go into the back of a Hyundia Elantra Touring (i30, for those on the Eastern side of the pond):
There's still room for my keyboard rig, if the gig were for my own band. I don't have a sub loaded in, but I could probably fit one. For tonight's gig, the bass player's bringing the sub. As you see it, there are two main PA cabinets, four monitor wedges, mic and speaker stands, two cases of mics, a big box-load of cables, amp rack, the DL, a smaller case with iPads, my heavy-duty power distribution, and ... a spare Mackie CFX20 mixer.
Yeah, all of that is stuffed into that little car with room enough left for two keyboards, a keyboard stand, and my effects pedal board. Plus, there's still room for a passenger!