The 25th Anniversary, or Anniversario in Italian, was the last and most agressive Countach. The exterior was redesigned by Horacio Pagani and the chassis updated with the help from World Rally Driving Champion Sandro Munari.
The chassis was upgraded extensively for this version with help from World Rally Champion Sandro Munari. As a result, the Anniversary really is the ultimate Countach since it is more reliable and better handling than the rest.
627 examples were produced from 1988 through to 1990.