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How big of a gas tank does a 1992 four-door oldsmobile cutlass supreme car have?

How much gas can I put in it and what is the gas mileage for it if you could please help me with this im not car smart and I just got this car thursday.

Public Comments

1. It has a 16.5 gallon tank
2. Ours has a 14 or so gallon tank and its a 94 4dsd. Usually gets between 20 and 24 mpg with a 3.1v6. Its a really good car.