*Lancia Stratos weighed between 900 and 950 kilograms, depending on configuration. Power output was around 275 hp (205 kW) for the original 12 valve version and 320 hp (239 kW) for the 24 valve version. Beginning with the 1978 season the 24 valve heads were banned from group 4 competition by a change to the FIA rules (which would have required additional production of 24-valve cars for re-homologation).[10][12] Even with this perceived power deficit the Stratos was the car to beat in competition and when it did not suffer an accident or premature transmission failure (of the latter there were many) it had great chances to win.

The car won the 1974, 1975 and 1976 championship titles in the hands of Sandro Munari and Björn Waldegård, and might have gone on to win more had not internal politics within the Fiat group placed rallying responsibility on the Fiat 131 Abarths. As well as victories on the 1975, 1976 and 1977 Monte Carlo Rally, all courtesy of Munari, the Stratos won the event with the private Charger Team as late as 1979* Im Lancia Stratos. I was designed by Italia for rally. I was highly successful rally car, winning the World Rally Championship in 1974, 1975 and 1976 and race car winning 1974 Targa Florio,five times the Tour de France Automobile and three editions of Giro d'Italia automobilistico.