We test out the fuel economy in the Nissan Sentra. From our experience, the Sentra offers one of the best fuel economy numbers we found in this segment thanks to its continuously variable transmission and low horsepower output. Its top competitors in this segment include: - Honda Civic - Toyota Corolla - Ford Focus - Chevrolet Cruze - Mitsubishi Lancer - Dodge Dart - Hyundai Elantra - KIA Forte