What is the original Miles Per Gallon on a 1992 Chevy Blazer?

The original MPG for a 1992 Chevy Blazer varied significantly depending on the engine and drivetrain. There wasn't one single figure. You'll find a range of EPA estimates depending on the specific configuration (e.g., 4.3L V6 2WD vs. 6.2L V8 4WD).

To find the original MPG for *your* specific 1992 Chevy Blazer, you need to know the engine size and whether it's 2-wheel drive (2WD) or 4-wheel drive (4WD). Then you can look up the EPA fuel economy estimates from a 1992 Chevy Blazer brochure or a reliable automotive resource like the EPA's FuelEconomy.gov website (though older data may be incomplete there).