What we have here are two SUVs from Toyota with some differences, such as the model year, maximum occupancy, horsepower, fuel economy, and height. First of all, the 2013 4Runner has a more powerful engine and gets 2.5 mpg less than the 2016 Highlander. Also, the 4Runner has a slightly taller body than the Highlander. In addition, you'll seat three more passengers in the Toyota Highlander than in the Toyota 4Runner. Among similarities are the body structure, starting price, and ground shadow size.