The Ferrari 642 (also known as the Ferrari F1-91) was a Formula One racing car designed by Steve Nichols and Jean-Claude Migeot and was used by Scuderia Ferrari in the 1991 Formula One season. It was a development of the team's 641 chassis, which had mounted a championship challenge in .

Ferrari started the 1991 season with high hopes of winning the championship. Jean Alesi signed a contract with the Scuderia when Nigel Mansell returned to the Williams team. The 642's best result was a second place taken by Alain Prost at the 1991 United States Grand Prix, held at the Phoenix street circuit.

The 642 was replaced by the Ferrari 643 at the 1991 French Grand Prix.

Complete results (key) (results in italics indicate fastest lap) Year Team Engine Tyres Drivers 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pts. WCC Scuderia Ferrari SpA Ferrari Tipo 291V12 USA BRA SMR MON CAN MEX FRA GBR GER HUN BEL ITA POR ESP JPN AUS55.5*3rd Alain Prost 2 4 DNS 5 Ret Ret Jean Alesi 12 6 Ret 3 Ret Ret * 39.5 points scored using Ferrari 643

References