Two Sedans with some similarities, but otherwise different in most aspects such as the model year, horsepower, fuel economy, market segment, and starting price. First of all, the 2013 Toyota Avalon is priced $3,610 lower compared to the base MSRP of the 2016 Hyundai Sonata Plug-in Hybrid, which is newer by three model years. Also, the 2013 Avalon has a more powerful engine than the 2016 Sonata Plug-in Hybrid, and it gets 15.5 fewer miles on a gallon of fuel. Among similarities are the body structure, ground shadow size, height, and maximum occupancy.