In Just Cause 2 for PS3 and Xbox 360, there are black market vehicles that can be found at certain locations. Here are the general locations with coordinates:
Rowlinson K22 – This black chopper is found at Bandar Baru Nipah near coordinates 15883 by 4288
MTA Powerrun 77 – This black speed boat is found at the island southeast of Pekan Kesum near coordinates 20655 by 31045
Pell Silverbolt 6 – This black aircraft is found at Teluk Permata Airport near coordinates 9456 by 5762
Garrett Traver-Z – This black sports car is found near a fence at an unmarked crossroads near coordinates 6415 by 24453
Makoto MZ 250 – This black motorcycle is found at Sungal Tapal near coordinates 20402 by 24965