The 2011 Sonata represents a modern approach to the traditional midsize sedan segment by using only advanced four-cylinder engines, emotional design and luxury features offered with Hyundai's strong value proposition. The 2011 Sonata poses some intriguing questions: Why can't a smart, solid sedan also have modern, sleek, sophisticated style? Why pay so much to get a taste of luxury? Why can't an efficient four-cylinder engine give V6 power?