High Quality Content by WIKIPEDIA articles! The Chevrolet Astro was a rear-wheel drive mid-sized van introduced by Chevrolet in 1985 to rival domestic (American) competitors the Dodge Caravan/Plymouth Voyager twins and the Japanese Toyota Van. Also sharing the Astro`s platform was its sibling, the GMC Safari. In addition to standard passenger uses, the vans were also available as cargo vans, and converters used them as the basis for small conversion vans.