What is the fuel economy on 89 olds ninety eight?

The fuel economy of a 1989 Oldsmobile Ninety-Eight typically ranges from 18 to 22 miles per gallon (mpg) for combined city and highway driving. The exact figures can vary based on factors such as driving conditions, maintenance, and specific engine options. Generally, this model is equipped with a V6 or V8 engine, which influences its fuel efficiency. It's advisable to consult the owner's manual or manufacturer specifications for precise details.