what nissan is a diesel
2014 Ram 1500 EcoDiesel vs 2015 Nissan Titan Diesel. 2014 is expected to be a big year for diesel-equipped pickups, and two of the most talked-about vehicles right now are the 2014 Ram 1500 EcoDiesel and the 2015 Nissan Titan Diesel, both of which are set to be released within the next couple of months.