 However, until 1977 the championship was only formally contested by manufacturers, not individuals, so only Thérier's Alpine-Renault team were formally awarded the title.He most frequently competed in an Alpine Renault A110, winning the Rallye Sanremo and the Acropolis Rally in 1970.He won the same two events again in 1973, along with the Rallye Sanremo, during his "annus memorabilis".