It is straightforward, it is a bit strange to see tank wrecks that are so dark in colour (totally black!), I don't think it is really realistic to see every tank blown to such complete darkness. Gameplay-wise it might be good to be able to identify a wreck, but it is not a necessity to be able to identify a wreck that easily. I do think it is a kind of "frustration" the game needs that you mistaken a dead tank as a target in medium-long range. (this suggestion doesn't affect long range because they all look dark...)
Also, when a tank/vehicle is destroyed, all infantry next to the tank died as well. I think it is a bit too much... if possible I'd like to have shock effects (and perhaps damaged to bleeding) but not killing.
And just a dream and crazy thought, that, since some tanks could die with turrets facing the right direction, why not associate the "degree of wrecking" with the turret rotation as well? (or a parameter that changes with user input, which would kind of "rotate 360 degrees") So this would be a kind of "randomization" since rarely any two tanks would have the exact input for movement/turret before being killed.