The gas mileage of a 1992 Chevy Lumina varied depending on the engine and transmission. There wasn't one single figure. You'd typically see EPA estimates ranging from approximately
18-28 mpg combined (city and highway driving). A four-cylinder engine would generally get better gas mileage than a V6.
To find a more precise estimate, you'd need to know the specific engine size (e.g., 2.5L 4-cylinder, 3.1L V6, 3.4L V6) and whether it had an automatic or manual transmission. The condition of the vehicle also plays a role.
