2010 Ford Escape Towing User Guide

Frontal area is the total area in square feet that a moving vehicle and
trailer exposes to air resistance. The chart shows the limitations that
must be considered in selecting a vehicle/trailer combination. Exceeding
these limitations may significantly reduce the performance of your
towing vehicle.

Selecting a trailer with a low-drag, rounded front
design will help optimize performance and fuel economy. Download free
2010 Ford Escape Towing User Guide.pdf here