All you need is (in the init field):
You can do this with pretty much any vehicle. If some sections of the vehicle are not covered, add more entries (3,4 etc.) to red numbers.{this setObjectTexture [_x,'#(argb,8,8,3)color(0.03,0.03,0.03,0.5)'];} forEach [0,1,2];
To change the vehicles color, change the blue values. The values are: [red, green, blue, alpha];