2016 Dodge Durango is the newer version with some differences, such as the model year, horsepower, and fuel economy.. First of all, there is a difference in model years. The is 2 years newer. And finally, the 2014 Durango has a more powerful engine and gets 1 mpg less than the 2016 Durango. Among similarities are the body structure, market segment, starting price, ground shadow size, height, and maximum occupancy.