 After the inauguration of the World Rally Championship in 1973, Andersson, drove mainly a Toyota Celica, achieved seven podium places in his 28 outings in the series and won the 1975 Safari Rally in a Peugeot 504, co-driven by Arne Hertz.In the early 1970s, Andersson was also the owner of his own rally team "Andersson Motorsport", which later became the Toyota Team Europe (TTE).In 1979 he moved the team from Uppsala to Cologne Germany where operations were based for an assault on the World Rally Championship.