Dinka
The Blista Compact is a Dinka sports car returning from earlier GTA games. Rockstar first showed it in an official screenshot (Port Gellhorn Postcard).
8F Drafter
First shown: Official Screenshot: Ambrosia 01
Banshee
The Banshee is a Bravado sports car returning from earlier GTA games.
Buffalo
The Buffalo is a Bravado sports car returning from earlier GTA games.
Carbonizzare
The Carbonizzare is a Grotti sports car returning from earlier GTA games.