In an auspicious debut, the diminutive rear-engined sedan swept the top four places in the "Under 750 cc" category, with Kazuo Togawa taking class honours.[78] The company returned the following year with their new Colt 600 and again swept the podium with a 1–2–3 in the "Under 600 cc" class.[79] In its final year of competition with touring cars in 1966, Mitsubishi scored a podium clean sweep in the "750–1000 cc" class of the 1964 Japanese Grand Prix with the Colt 1000, their first front-engined competition vehicle.[80]