Datsun DS-6 Convar

1954 DS-6 Model

Significantly more attractive than the previous DS-5 Thrift, the DS-6 Convar is a quirky and distinctive little car that saw Nissan being rather bold and adventurous with their styling, though one would have to say not in a way that was completely successful.


The DS-6 was built on the same chassis and mechanicals as the previous Datsun DS-5 Thrift. It continued to use the same D-10 series 860cc 25hp side valve engine and three speed gearbox. The body was all new, and considerably more modern, and attractive, than the previous DS-5. Unlike the DS-5, the DS-6 featured conventional front hinged doors. The side of the body was more streamlined, and it no longer had the old style protruding front guards of the previous model. It's front end styling was very unique. There was a large flat panel between the bonnet opening and the top of the grille. The grille itself was a flat oval shape that was disected by the bumper bar, with half the grille opening above the bar and half below it. At the back of the car the boot lid was a lift-up style rather than the fold-down type on the DS-5.

The other unusual thing about the car, apart from it's styling, was it's name, as it was sold as the Datsun Convar. Convar is an odd name. I have searched for the meaning of the word convar and it is apparently a botanical term used to describe a subunit of a species that stands between subspecies and variety, though I really don't think this has much to do with this car. It's meaning is probably some badly translated piece of "Engrish", possibly some mis-spelled reference to the Convair jet aircraft that were built in the late 1940s and early 1950s. It could even be some sort of contraction of the words "convenience car" or something like that, but whatever the case, no one, not even Nissan themselves seem to know where the name came from.

 The Datsun DS-6 Convar was only in production for a very short time. Production began in the early part of 1954, and the last one was built in December 1954. The DS-6 was replaced by the all new Datsun 110.


Model Variations


Datsun DS-6 Convar

The sedan was the only version of the Datsun DS-6, no other models were built.  

1954 Datsun DS-6 Convar Specifications

Length - unknown
Width - unknown
Height - unknown
Wheelbase - unknown
Weight - unknown
Top speed - unknown
Transmission - Floor change 4 speed

Engine Specifications

Model - Type D-10
Side Valve 4 Cylinder
Capacity - 860cc
Bore & Stroke 60x75mm
Power - 25bhp@3600rpm
Torque- 4.9kg/m@2400rpm
Compression - 6.6 : 1
Carburettor - Hitachi VA26-1 single throat down draught
Final drive - unknown

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