1993 Ford E-350 cargo van, non-turbo diesel 7.3L. Dual-axle 15' open trailer. Plenty o' torque: pulls the 2300-pound car and at least 500 pounds of "stuff" with no problem, getting 13mpg. Plenty o' space: it's my warehouse, repair shop, changing room, and sleeping quarters all in one.
Unfortunately, we now have two race cars and three bodies to carry, so we're looking for an E-350 extended passenger van with a Powerstroke, plus a two-car open trailer...