Having enjoyed widespread success with its previous models among mainly Soviet customers, the T6A2 was quite different in appearance to its predecessors, and was bought extensively by cities in the former East Germany, as well as by Szeged (Hungary) and Sofia (Bulgaria).

Towards the end of the 1980s, many East German cities required new trams to replace their aging fleets, and it was for this reason that Tatra commissioned the building of three prototype vehicles in 1985.

The 13 examples delivered to the Hungarian city of Szeged were labeled T6A2H and entered service in 1997 into a fleet that had previously consisted of exclusively Hungarian-built stock.

256 T6A2 trams and 92 B6A2 trailer cars were produced from 1985 to 1999 and delivered to: Szeged Transport Company SzKT decided in 2003 to modernize its ageing fleet with refurbished used Tatra tramcars.

[2] The cars underwent a complete refurbishment and modernization that included renewing the frame and bodywork, replacing the doors from four- to two-winged, as well as the seats.