2016 Kia Sorento is the newer version with some differences, such as the model year, horsepower, and maximum occupancy.. First of all, the 2014 Sorento has a more powerful engine than the 2016 Sorento. Also, you'll seat two more passengers in the Sorento than in the Sorento. Among similarities are the body structure, starting price, fuel economy, ground shadow size, and height.