Tiny Trucks by Robiwan Kenobi. These look to be in 6P scale.
is really neat, and downloads are disabled.
MicroRover by Sad Brick. A very nice 2P -- or
so -- build that also has downloads disabled.
Micro Rover by kamalmyafi. Render. Looks to be 6P or 7P,
it'll have to be thinned out a bit because it will probably take
more than 10 hits to destroy it. Again, downloads disabled.
Vehicle Stuff by Sunder_59. A nice selection of sci-fi vehicles in microscale.