Unfortunately, today(v1.42) in A3, the AI is a very bad driver and not able to avoid a lot obstacles in its path. But the problem is complicated: wheel of the vehicle is too fragile, at collision with a stone or small stone fence. Thus, this problem is closely connected with bad AI-driving and turns into a big problem for all AI-driving in the game (for Hunters, MRUP and other wheeled transport)
For this reason, very often the wheels of the vehicle, which is controlled by the AI, break down and in the future, the vehicle loses its ability to move.
Very often the player sees the picture as on my screenshot.
The result is this: "AI vehicle was stopped by a small stone"!

Please make the wheels of vehicles more durable to collision with stones or small obstacles.
It could be a bit to smooth out the problem of AI-driving!
Maybe BIS, can even make it more durable only for the AI-driver, but not for human player.
I think in any case it requires some adjustments