Two Sedans with some similarities, but otherwise different in most aspects such as the model year, starting price, horsepower, fuel economy, and ground shadow size. First of all, there is a notable difference in the starting price of the 2016 Chevrolet Sonic Sedan, which is $1,645 less than the base MSRP of the 2013 Nissan Sentra, which is three model years older. Also, the 2016 Sonic Sedan has bigger and thirstier engine; the 2013 Sentra gets 2.3 more mpg. And finally, the body structure of Sonic Sedan is slightly smaller than that of the Sentra. Among similarities are the body structure, height, and maximum occupancy.