The Echo's chassis code (GC140, GC240) continued to be used on the Civilian (GC340), reflecting their shared underpinnings with the Nissan Caball (C140/240/340).

[2] In the Japan, Asia-Pacific, Middle East, Africa and South America markets, its principal competitors are the Mitsubishi Fuso Rosa, Isuzu Journey, Mazda Parkway and Toyota Coaster.

Its main competitors are the Mitsubishi Fuso Rosa, Toyota Coaster, and Isuzu Journey, which significantly outnumber it in some countries.

In November 1964 and October 1965 there were another two light facelifts; the second one also brought changes to the cooling system and the chassis code switched to 142.

In August 1966 the all-new GC240 replaced the earlier models, with more modern design with larger glass areas.

In April 1969 a twin rear-tire model was added, and a 1970 facelift brought headlights integrated with the grille and headrests for all seats.

In January 1973 the 3-litre ED30 diesel engine became available, in order to better handle the added power needs of air conditioning.