How many miles to the gallon on a 2001 impala?

The fuel economy of a 2001 Chevrolet Impala varies depending on the engine and transmission. It's not a single number. You'll find a range of:

* Around 18-20 MPG in city driving.

* Around 25-28 MPG on the highway.

These are estimates, and your actual mileage will depend on driving style, vehicle condition, and other factors. The best source for the specific MPG for your *particular* 2001 Impala would be the sticker on the driver's side doorjamb (if still present) or the owner's manual.