1984 Nissan datsun 300zx mpg Gas Mileage of 1984 Nissan 300ZX - Fuel Economy We can help you calculate and track your fuel economy. MPG Estimates from Others MPG estimates from drivers like you! 1984 Nissan 300ZX. EPA MPG... Source Source Source Source Source Source Source Source Source Source Read Also: 1984 Nissan 300zx turbo mpg 1984 Nissan 300zx gas mileage 1984 Nissan 300zx fuel economy 1984 Nissan 300zx mpg 100 1984 300Zx in mile nissan 1984 Nissan 300zx epa