Leclerc T.5 The designers of the Leclerc Main Battle Tank emphasized mobility over armor protection. That decision reduced the armor protection of the Leclerc but gave it a 3mph advantage over the American M1 Abrams. The unit cost of the Leclerc is over 9 million Euros which makes it the most expensive tank ever produced. On the plus side, the Leclerc is equipped with an autoloader system that increases its rate of fire and extremely sophisticated fire control software to keep those rounds on t