Vapid
The Dominator GT is a Vapid muscle car returning from earlier GTA games. Rockstar first showed it in an official screenshot (Ambrosia 05).
Buccaneer
The Buccaneer is an Albany muscle car returning from earlier GTA games.
Buccaneer Custom
The Buccaneer Custom is an Albany muscle car returning from earlier GTA games.
Buffalo STX
First shown: Trailer 1 (1:00)
Chino
The Chino is a Vapid muscle car returning from earlier GTA games.