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Launched in June 1963, the sedan used a 1.5 L OHV gasoline Inline-four engine and a 1.8 L diesel engine. The diesel received very low gearing of 4.1:1 - optionally available to the 1.5 as well - resulting in a top speed of only . In April 1964, they were joined by the 1.3 L OHC inline-four engine already in use in the Wasp pickup truck, at which time a three-door van/wagon version called the Express (in Japan) was also added to the lineup. In 1966, the a mild facelift featured a revised front fascia, and the Bellett B model was added. At the very end of 1966, a 1.6 litre SOHC engine was added for the 1600 GT. In 1971 the Bellett range underwent a second facelift, which also marked the end of diesel-powered Belletts.