One of my all time favorite vehicles we ever owned was a 1991 Mazda MPV van with a four cylinder engine that has a timing chain (the sixes have a timing belt). It was easy to work on when it needed maintenance work done and got pretty good fuel mileage. Even with the 4 cyl it would cruise out on the freeway all day long at 75+ mph. The rear seats can be removed and provide a flat floor up to the drivers seat. I think you can find them every now and then for around $2500.

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Jim