All the right ingredients! White Knight! How would you like riding home in this stunning 2006 Nissan Sentra? Reliable and economical, this fuel efficient Sentra might be everything you've been searching for all under one roof. With the money you'll save on gas, this car can really take you places. J.D. Power and Associates gave the 2006 Sentra 4.5 out of 5 Power Circles for Overall Initial Quality Design.