Isuzu BU Series: Export Popularity in Developing Markets 1. Introduction The Isuzu BU Series is one of Japan’s most respected classic bus models. Built during an era when durability and simplicity defined automotive excellence, this model has gained enduring popularity in global export markets. Even decades after production, the Isuzu BU Series continues to serve passengers in Asia, Africa, and South America — a true reflection of Japanese engineering that lasts. If you are looking for Used Isuzu BU Series, please check our latest listings here: Used Isuzu BU Series for Sale – EVERYCAR.jp