Competing against sales giants like the Toyota Camry, the Honda Accord, and the Nissan Altima, the Mazda 6 has long been overshadowed in the midsize sedan market. Although a competent contender, Mazda's entry has been hampered by a generic name, anonymous styling, and mediocre fuel economy. The name hasn't changed, but the all-new 2014 Mazda6 does have a new look, improved fuel economy, and a more engaging driving experience, which should help it emerge from the shadows.