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, the 2014 Lexus IS 350 is priced $9,385 lower compared to the base MSRP of the 2016 Kia K900, which is newer by two model years. Also, the 2016 K900 has a more powerful engine and gets 2.5 mpg less than the 2014 IS 350. And finally, the K900 is slightly larger than the IS 350. Among similarities are the body structure, market segment, height, and maximum occupancy.