Claim: Finishing at 1:36:03.21, Jacques Laffite of team Ligier-Ford was the fastest driver in the 1979 Argentine Grand Prix, a Formula One motor race held on 21 January 1979 at the Autódromo Municipal Ciudad de Buenos Aires.
Evidence: France Jacques Laffite 1:36:03.21 Pos Ligier-Ford The 1979 Argentine Grand Prix was a Formula One motor race held on 21 January 1979 at the Autódromo Municipal Ciudad de Buenos Aires.