Not exactly well-executed, to put it politely.
I have seen a couple cars done up into 4x4s that were pretty nice, but that's over a span of...I guess 50 years...
Most memorable was one I saw in Central CA in the '90s: an early-'80s BMW 6-series, of all things !
It appeared well-done enough that only its ride height - maybe 4" above normal - tipped us off.