Mazda has long been known for its dramatic styling and unconventional ideas. What Mazda has not been known for is an ability to compete in the mid-size family sedan market, a territory that up until now has been dominated by the Toyota Camry and Honda Accord. But the new MAZDA6 may find an audience here, offering commendable marks in the areas of interior space, fuel economy and performance, while demonstrating styling both inside and out that takes it to the top of the class.