The Gandini-designed Lamborghini Countach recently celebrated its 50th anniversary..Throughout its 16-year production cycle, the Countach had many versions, some of which quite rare and special..Now that a new model is on the way, we are going to take a look at the complete chronology of the Countach..It all started with the 1971 Countach LP500\/LP5000 - the first of 3 prototypes..It wasn't until 1974, the first production version - LP400 - came out..The Countach was supposed to have a 5.0-liter V-12 from the start, but ended up with a 3.9-liter unit..In 1975, the Walter Wolf Special was created. It was a one-off, equipped with the 5.0-liter V-12 engine of the prototype..Then, there was the 1976 Countach LP400 Speciale. 3 were made, one of which was commissioned by Walter Wolf..In 1978 came the first official update - the Countach LP400 S. Flared fenders, optional rear wing, and a more usable interior were among the main features..In 1982 came the LP500 S - the model's second official update. The Countach finally got a 4.8-liter V-12..In 1984, two Lamborghini Countach Turbo S were commissioned by a Swiss Lamborghini distributor. Power was increased from 375 to 748 hp. The top speed was 208 mph.The biggest update came in 1985, with the introduction of the 5000QV. It had a bigger 5.2-liter V-12 and four valves per cylinder..The U.S. versions of the 5000QV had a Bosch fuel injection and made 420 hp - 35 down from the EU cars..In 1985 Lamborghini also had the Countach QVX - a Group C racecar. It saw some action at LeMans in 1985 and 1986, but was ultimately retired..1986 saw a very unique prototype - the Countach 7000. It was heavily redesigned and had a 7.1-liter version of the V-12. It made 592 hp and was capable of 240 mph...theoretically..In 1987, Giulio Alfieri introduced an improved version fo the Countach. Development actually started in 1984. It was based on the 5000QV. Only 1 exists..The 1987 Countach Evoluzione was a test bed for new tech. Many features of the prototype made it on the 1988 version and, later, the Diablo..The 1988 Countach 25th Anniversario was the swan song of the Countach. It celebrated 25 years of Lamborghini cars..The body was redesigned by Horacio Pagani. The car was based on the 5000 Quattrovalvole and was the most produced version, with 657 units made..Swipe up for the full history of the Countach and all its versions.. .