Dinka
The Sugoi is a Dinka sports car returning from earlier GTA games. Rockstar first showed it in an official screenshot (Grassrivers 02).
8F Drafter
First shown: Official Screenshot: Ambrosia 01
Banshee
The Banshee is a Bravado sports car returning from earlier GTA games.
Blista Compact
First shown: Official Screenshot: Port Gellhorn Postcard
Buffalo
The Buffalo is a Bravado sports car returning from earlier GTA games.