That year, the last one before the long-lived 1973–91 "square body" designs arrived, Chevy ... on a curbside rear passenger door. This may have been done to save costs, as the Suburban was ...

In 1967, Chevy introduced an unusual three-door design with a single driver-side door and front and rear doors on the passenger side. The 1973 model was the first to have four doors. The Suburban ...