Actually, they have the same engine (in size: a 3.0 litre 6 cylinder), but
the 500's makes 203 HP (from the Ford website!) and the Fusion's makes 221
Of course, the Fusion has the 2.3 litre 4-cylinder option as well.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.