1971 GMC Trucks Presents Vandura and Rally Sales Folder. GMC Presents two new names destined to make their mark in the ever-expanding market for vans and buses. Vandura and Rally! The idea: a clean break with the past. The goal: vans and buses built for bigger loads, extra power, more convenience, easier service. Covers the features. Specifications and dimensions on the back. Very good condition. Form TSP-70-6 printed on cardstock.