SUV is good if you are single and tall, otherwise wagon is better.
I watched a TV program about SUV, Wagon and Van, which is better for a family with two kids? the family tried 2 weeks of each above, finally chose wagon. The reason is that Van is not easy to park on steet( need more space) and oil-consuming, SUV is not convenient for kids to get on and out of it.
Hopefully this will help.