It would be humble but durable and practical, he rode into Jerusalem on a donkey after all. He was a carpenter, so there would be utility and a certain amount of hauling capacity. He was not terribly impressed with the conventions of the time, so conventionality was not a concern.
Sounds like a Subaru Baja to me. Or maybe an old aircooled VW Transporter or Samba truck.
Definitely not a VW