Long story short: this Lamborghini Countach is four decades old and has been hiding for ages under layers of grime, dust, and dirt, with rodents finding shelter in the cabin, trunk, and engine bay.

In June of 1985, the automaker set to work developing the Lamborghini Diablo, a new V-12-powered flagship that it hoped would evoke the same sort of furor that the Countach had generated when the ...