According to a website I was looking at :
For a 1991 Ford E-150 , rear wheel drive , 4.9 / 300 cubic inch inline six cylinder :
With a ( 3 speed automatic transmission ) ( 13 city / 15 highway ) miles per US. gallon
With a ( 4 speed automatic transmission ) 14 city / 19 highway ) miles per US. gallon
Depends on which engine it has. Try a Google Search.
A 1991 Chevy Suburban will get 11 miles per gallon if driving in the city. It gets around 15 miles per gallon on the highway.
30 miles
The 1991 Pontiac Grand Am gets 19 miles per gallon in the city, and 30 miles per gallon on the highway. It can hold up to 13.6 gallons of gas.
7 miles
in my econoline owners manual if someone really wants it
29 City / 35 Highway
between 18-25mpg depending on how you drive it
13 mpg
inside of van in vicinity of heater core. to remove, remove battery from engine bay to access bolt that holds it in place
15 city and 19 highway.
The 1991 Toyota Celica STX features a 1.6 liter inline 4-cylinder engine. It is also equipped with a front wheel drive drivetrain and 5 speed manual transmission. In its max condition the 1991 Toyota Celica STX offers 103 horsepower at 6000 RPM. It has been known to get an average of 24 miles to the gallon on its fuel rating during city driving and 30 miles to the gallon on the highway.