Confusingly, the "Sunny" name has been used on other Nissan models not part of the Sunny (B-series) family, notably various export versions of the Nissan Pulsar model line.
The first Nissan Sunny, exported as the Datsun 1000, was launched in September 1966, with two body styles, a two-door sedan (B10) and a van/station wagon (VB10). These were available in both a "Standard" and "Deluxe" version, featuring drum brakes, conventional leaf springs at the rear and wishbone type independent front end. The front end used a single transverse leaf spring.
The car featured a 4-cylinder in-line engine – the A10 – with a total displacement of 988cc and a 4-speed gearbox.
The 1968 model, introduced in October 1967 added to the lineup the four door sedan (B10) in both DeLuxe and Standard form. October 1968 saw the new 1969 models released with a new coupé (the KB10) added. Marketed as a "Sunny Coupé" in Japan, it was available in a wide variety of levels from "Standard", to "GL" (ostensibly "Grande Luxe"). The range of factory options and accessories was by this time vast. Total horsepower in the 1968 model was claimed to be 62hp at 6000rpm.
All of the other models got new grilles and larger tail lights, which now included reversing lights in the van/wagon model.
The only other country that seems to have received the coupé is Australia, where it was marketed as the "Datsun 1000 Coupé". It was well equipped, and was available only in the Deluxe level of trim. The Australian Deluxe model came standard with many inclusions that were available only as options in the Japanese model. The engine in the coupé had higher compression, a different Hitachi carburettor, and a dual outlet exhaust manifold. These changes increased its power output to 66hp (a 4hp, or 6.5% increase over other models).
Unlike the other models, the coupé was only ever made in right drive.
July 1969 saw the release of the slightly different (cosmetically) 1970 models which left the 1969 model run at only nine months. No additional models were added, and production ceased in December 1969, cutting the 1970 model run at only six months.