The Daihatsu DN Compagno and the Daihatsu DN Pro Cargo concept cars will make their debuts at the 2017 Tokyo motor show.

The Daihatsu DN Compagno concept is billed as a "compact four-door coupe for active seniors".  Although the car features four doors, the aggressive coupe-like roof line places "priority on the front seat" passengers.

Inside, the dashboard combines futuristic and retro elements, and the front seats are designed so "two adults can relax comfortably". To cement the car's old school appeal, the steering wheel, grille and boot all feature retro Daihatsu badges.

The concept borrows its name and some styling cues from the Compagno range of small cars, which debuted in 1963.

Designed in part by Italian coachbuilder Vignale, the original range included a van, station wagon, ute, cabriolet, and two- and four-door sedans. Sold between 1963 and 1970, the Compagno was Daihatsu's first passenger car.

Under the bonnet, the DN Compagno features a 1.0-litre turbocharged engine, although Daihatsu says the car can also be packaged with a 1.2-litre hybrid drivetrain.

No word yet on the power, torque, fuel economy or performance figures for the DN Compagno.

The other debutant at Daihatsu's stand will be the DN Pro Cargo, which is a more traditional Japanese kei-car concept.

With its exceptionally high roof and low floor, the DN Pro Cargo has a claimed ceiling-to-floor height of 1.6 metres. Not only do its proportions provide plenty of interior space in a small footprint, they also enable walkthrough capability.

Daihatsu says the vehicle was designed to be "easy to use even for women and seniors", and has a "variable rich multi-unit system", allowing it to be configured for a variety of uses and industries.

The DN Pro Cargo is said to feature an electric drivetrain, although no specifics have been provided thus far.