The Curt Hitch # C11067 fits the Hatchback version of your Fiesta model years 2011 - 2019 and the # C11369 fits the Sedan version of Fiestas years 2013-2016.
If you want to use either hitch for an accessory such as a bike rack or cargo carrier, then you have to make sure the accessory is rated for use with a Class I trailer hitch. Also, with a bike rack, you are limited to 2 bikes maximum on a Class I hitch. I have linked the Class I compatible 2-bike racks and cargo carriers for you. view full answer...
The only notable difference between the Curt Trailer Hitch Receiver part # C11055 and the Curt Trailer Hitch Receiver part # C11369 is installation difficulty. The part # C11055 is rated as a moderate install taking on average around 20 minutes whereas the part # C11369 is rated as an easy install taking on average around 15 minutes to install. This is partly because the part # C11055 requires you to temporarily lower the exhaust for installation. Therefore, I recommend using part # C11369... view full answer...