4.0l v6 smpi dohc. Isn't it time for a Nissan?! Hold on to your seats! When was the last time you smiled as you turned the ignition key? Feel it again with this good-looking 2009 Nissan Frontier. A great gas saver with a surprising amount of room for its size! Save some money and still have room to haul your things! J.d. Power and Associates gave the 2009 Frontier 4 out of 5 Power Circles for Overall Initial Quality.