Pedzisa mutsara unotevera: 641 yakanga iri shanduro yakavandudzwa yomutangiri wayo, 1989 Ferrari 640, yakagadzirwa naJohn Barnard. Iyo yakagadziridzwa 641 dhizaini yakatariswa neyaimbova McLaren dhizaini Steve Nichols mushure mekunge Barnard asiya Ferrari kuti ajoine timu yeBenetton, pakangopera kugadzirwa kwemotokari. Motokari yacho yakanga ine injini ye3.5-litre V12, kutanga nemhando ye036, uye gare gare mu
San Marino ine 037. The V12 akanga yavose sezvavakatarirwa pa, chete zvishoma pasi pamusoro Honda V10 injini anoshandiswa McLaren, asi kwete sezvo kuchinja kana sezvo zvakanaka pakuendesa simba kubva makona anononoka sezvo Honda, Renault V10 injini anoshandiswa Williams kana Ford-Cosworth HB V8 anoshandiswa Benetton. Pasinei zvapo neinjini yayo inorema, 641 yaiva pakati pemotokari dzakanakisisa dzokubata pamutsetse. Prost akachizivisa semotokari yakanakisisa yegore.