| Answer | Crossword Clue |
|---|---|
| GTOS | Classic '60s Pontiac muscle cars |
| GTOS | Classic Pontiac muscle cars |
| GTOS | Pontiac muscle cars |
| GTOS | Bygone Pontiac muscle cars |
| GTOS | Onetime Pontiac muscle cars |
| GTOS | Pontiac cars with muscle |
| GTOS | Muscle cars from Pontiac |
| GTOS | Old Pontiac muscle cars |
| GTOS | One-time Pontiac muscle cars |
| GTOS | Pontiac muscle cars of yore |
| GTOS | Pontiac muscle cars during the 1960s and 1970s |
