Solved: Sketched, The 5th. - Tatra 613 4x4 design sketch by ÚVMV

[Allemano]

That's it! Well done!

the unveiled puzzle car and some other designs from the same design studio:

[Allemano]

The original sketch was made by Czech designer Milan Strejček from ÚVMV.
As far as I understand it was inspired by the first Range Rover and was about to be equipped by the known aircoole DOHC Tatra 613 V8 engine.
The third design was obviousely made in collaboration with the Prague Institute of Road and Urban Transport (ÚSMD) and the Secondary School of Transport in Prague called preliminary design of the vehicle for rescuing people from crashed cars.