Two Sedans with some similarities, but otherwise different in most aspects such as the model year, powertrain, horsepower, starting price, and fuel economy. First of all, there is a $3,725 difference in the base MSRP. The 2013 Volkswagen Passat Diesel, an older vehicle by three model years, has a higher starting price than the 2016 Nissan Altima. Also, the 2016 Altima has bigger and thirstier engine; the 2013 Passat Diesel gets 5.5 more mpg. Among similarities are the body structure, ground shadow size, height, and maximum occupancy.