Datsun is best remembered for cars such as the 240Z, 510 and Sunny, but the brand’s history is also connected to a fascinating world of experimental automotive design. During the 1970s, Nissan and Datsun explored unusual concepts that looked far beyond the conventional cars of their time. These prototypes experimented with futuristic styling, unusual layouts and technology that seemed years ahead of production vehicles.
One of the most striking examples was the Nissan 126X, unveiled in 1970. Although officially a Nissan concept, it later became associated with the Datsun name through its Matchbox model. The wedge-shaped vehicle featured a dramatic canopy-style entrance rather than conventional doors. It also used colored lights to communicate what the car was doing: different colors indicated acceleration, cruising or braking. The concept was powered by a transversely mounted 3.0-liter six-cylinder engine and featured all-wheel drive.
When Futuristic Design Met Practical Ideas
The 126X was not simply about appearance. Its designers were exploring how a car could communicate with pedestrians and other road users. At a time when road safety and pollution were becoming major concerns in Japan, manufacturers were investigating new approaches to vehicle design and technology. Nissan's own history records that the 1970s brought increased attention to traffic accidents, pollution and fuel efficiency.
Another interesting example from the same era was the Nissan AD-1 concept, presented in 1975. It was a compact two-seat sports prototype with a mid-mounted 1.4-liter engine, lightweight construction and an aerodynamic body. Its unusual proportions and futuristic details demonstrated how Japanese designers were experimenting with smaller, more efficient performance cars.
The Ideas That Survived
Not every concept became a production car, but that does not make these projects unimportant. Concept vehicles allowed designers to test ideas without the limitations of mass production. Some experimented with aerodynamics, unusual doors and futuristic interiors, while others explored how safety and efficiency could influence styling.
Meanwhile, production Datsun models were developing in a more practical direction. The Datsun Sunny 1200, introduced in 1970, combined compact dimensions with a 1.2-liter engine and was offered in several body styles. Nissan's heritage collection shows how the Sunny became an important part of the company's small-car lineup.
The contrast is what makes Datsun's history particularly interesting: one side focused on affordable everyday transportation, while another explored what the car of the future might look like.
Today, these forgotten prototypes provide a glimpse into automotive thinking from decades ago. Some ideas disappeared completely, while others influenced later approaches to design, safety and technology. For Datsun enthusiasts, they offer a different way to understand the brand—not just through the cars that reached showrooms, but through the ambitious ideas that remained on the drawing board or inside concept-car collection.
