Ford 1996 Contour Manual page 205

Use these equations to calculate your fuel economy:
4.
English: MPG
Metric: L/100k
Comparisons With EPA Fuel Economy Estimates
EPA fuel economy figures are obtained from laboratory tests
under simulated road conditions and may not reflect the actual
conditions you experience or your style of driving. The EPA
fuel economy estimate is not a guarantee that you will achieve
the fuel economy shown.
The following decrease fuel economy:
Lack of regular, scheduled maintenance
Rapid acceleration and excessive speed
Driving with your foot on the brake
Sudden stops
Extended engine idling
Using speed control in hilly terrain
Extended use of the A/C, defroster, rear window defroster
and other accessories
Underinflated tires
Heavy loads
Aftermarket add-ons such as bike, ski or luggage racks, bug
deflectors, etc.
208
(total miles driven)
(liters used)
(gallons used)
(100 kilometers)