Nyorai kupfuurira kweiyi ndima - MP4/6 yakamhanya yose nebhuku "H" muenzaniso gearbox. Semi-automatic transmission yakaedzwa mumwaka (uye yakaratidzwa paHungarian Grand Prix
; motokari yakagadzirirwa nayo yakamhanya mavhiri mana panzira muzviitiko zvisati zvaitika Senna; motokari yacho yakazoshandurwa kudzokera kumunhu anodzidzisa) asi haina kumboonekwa seyakanaka zvakakwana kuti ishandiswe mumakwikwi; Ferrari naWilliams ndivo chete zvikwata zvaishandisa semi-automatic gearboxes mukati me1991. Iyo MP4/6 yaizopinda munhoroondo semotokari yokupedzisira yeFormula One kukunda Mukwikwidzi weNyika achishandisa shanduro yemaoko kana injini yeV12.