Station wagons rule in Germany.Three-quarters of all VW Passats sold in Germany in 2009 were station wagons. Opel's entry into the market is the Insignia Sports Tourer, which represents about half of all the Insignias sold in Germany last year. This week drive it! compares the two German station wagons with a competitor that's relatively rare on German roads, the Honda Accord Tourer. Which is the best and which offers the most for the money?