The 2013 Honda Civic Sedan, the nation's best-selling compact car which celebrates its 40(th) anniversary in America next year, goes on sale today with extensive changes to further reinforce its market leadership. While still maintaining all the efficiency and value that has made the Civic an automotive icon, the 2013 Honda Civic Sedan receives all-new front and rear exterior styling, while all Civics sport extensive interior upgrades including more luxurious finishes, and a host of new standard equipment..