1990 Nissan 300zx fuel economy Source Source Source Source Source Source Source Source Source Source Read Also: 1990 Nissan 300zx twin turbo mpg 1990 Nissan 300zx tt mpg Nissan 300zx z32 fuel consumption Nissan 300zx tt fuel consumption 1990 Nissan 300zx gas mileage Nissan 300zx non turbo fuel consumption