You will be lucky to get around 15 mpg.
18 mpg city
I have an '89 and I average 20.5 in the summer and 18.5 in the winter.
The 1989 Honda Accord gets 21 miles per gallon in the city. It gets 27 miles per gallon on the highway. It has a combined rating of 23 miles per gallon.
1 billion miles to the gallon
1989 k 3500 only gets 5 miles to the gallon,and my k 3500 is running rich and i am really trying to find out.
A 1989 Chevy Silverado Pickup Truck will get between 14 and 16 miles per gallon. This does vary slightly from person to person, depending on how well the truck is taken care of etc.
I am getting close to 10 - 11 miles to the gallon in a 1989 ford dually with a 460 fuel injected engine.
My 1989 Chevy Caprice Classic with a 350 CID motor has a 27 gallon tank.
about 7-13 mpg
anywhere from 20 to 28. Depends how you drive.
Depends on which engine/transmission it has installed which you failed to list.
gallon of gas in 1989 was about $1.02