| Data based on 283 auction sales |
| •Average Sale Value : $18,704 |
| •Lowest Sale Value : $1,700 |
| •Highest Sale Value : $154,000 |
| •Average Sale Value : $17,229 (disregarding 5% of high and low sales) |
| Bodystyles | Average Sale | *Average Sale |
| Formula Hardtop Coupe | $10,000 | |
| Trans Am HardTop Coupe | $17,377 | $16,458* |
| Trans Am Limited Edition HardTop Coupe | $21,169 | $19,479* |
| Engines | Average Sale |
| 400 CID | 220 HP | $24,873 |
| 403 CID | 185 HP | $17,012 |
| 301 CID | 140 HP | $14,044 |
| Other 1979 Pontiac vehicles | Average Sale |
| Pontiac Firebird Trans Am Concept | $24,117 |
| Other Model Year Averages | Average Sale |
| 1980 Pontiac Firebird Trans Am | $18,314 |
| 1977 Pontiac Firebird Trans Am | $22,426 |
| 1976 Pontiac Firebird Trans Am | $20,859 |
| 1975 Pontiac Trans Am | $15,381 |
| 1973 Pontiac Firebird Trans Am | $50,290 |