The Fourth All-Japan Motor Show was held at Hibiya Park during an 11-day period from May 9. In the passenger car category, a significant improvement was found in the quality of exhibited vehicles, including the first-generation Toyopet Corona small car, Fuji Seimitsu's Price Skyline, and the Nissan Datsun Sport prototype. In the truck category, Toyota displayed its first diesel truck (DA60), while Nissan unveiled its Nissan Junior and Nissan 581 models. Ohta also exhibited its 1.5-ton class light truck model. Meanwhile, an automobile information bureau was newly set up in the PR Center to provide extended knowledge on road traffic and vehicle design, etc. In this show, the organizer successfully provided visitors and exhibitors with an opportunity for business talks in addition to the general promotion of automobiles.