Hi Jim. The information I find is that 2019 model year Fusion production ended on 8/2/19.
I can access the exact production date of your car if you post your VIN.
Not sure how accurate this is, but 2020 Fusion production started 8/5/19.
* 2017 Fusion Sport, 12.7 @ 108 mph tune-only (early tune of mine, bad trans settings), full trunk w/ lunch, and dirty paper air filter
* 2014 SHO non-PP, 12.4 @ 111 mph tune-only, all day long with dirty paper air filter and worn out 30k RS-As