Test Vehicle: 2005 Saturn Ion 3 Sedan Engine Size and Type: 2.2-liter inline four-cylinder Engine Horsepower: 140 at 5,800 rpm Engine Torque: 145 at 4,400 rpm EPA Fuel Economy (city/highway): 24/32 Observed Fuel Economy: 23.7 mpg Curb Weight: 2,766 lbs. Competitors: Chevrolet Cobalt, Dodge Neon, Ford Focus, Honda Civic, Hyundai Elantra, Kia Spectra, Mazda 3, Mitsubishi Lancer, Nissan Sentra, Subaru Impreza, Suzuki Forenza, Toyota Corolla, Volkswagen Jetta
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