How many miles per gallon does a 1997 Chevy blazer get?

The fuel economy of a 1997 Chevy Blazer varied significantly depending on the engine size and whether it was a 2-wheel or 4-wheel drive model. There's no single answer.

You'll find a range of 14 to 21 mpg (miles per gallon) in combined city and highway driving reported by various sources and owner experiences. The smaller engines generally got closer to 21 mpg, while the larger V8 engines were closer to 14 mpg.

To get a more precise estimate, you'd need to know the specific engine size (e.g., 4.3L V6, 5.7L V8) and drivetrain of the particular 1997 Chevy Blazer.