Engines
First generation
| 1969 | 400 cu in (6.6 L) Pontiac Ram Air III V8 366 bhp (273 kW) | 400 cu in (6.6 L) Pontiac Ram Air IV V8 370 bhp (280 kW) | 400 cu in (6.6 L) Pontiac Ram Air V V8 (rare dealer-installed option) 500 bhp (370 kW) |
Second generation
| 1970 | 400 cu in (6.6 L) Pontiac Ram Air III V8 | 400 cu in (6.6 L) Pontiac Ram Air IV V8 | 400 cu in (6.6 L) Pontiac Ram Air V V8 (rare dealer-installed option) |
| 1971 | 455 cu in (7.5 L) Pontiac H.O. V8 |
| 1972 | 455 cu in (7.5 L) Pontiac H.O. V8 |
| 1973 | 455 cu in (7.5 L) Pontiac V8 | 455 cu in (7.5 L) Pontiac S.D. V8 |
| 1974 | 400 cu in (6.6 L) Pontiac V8 | 455 cu in (7.5 L) Pontiac V8 | 455 cu in (7.5 L) Pontiac S.D. V8 |
| 1975 | 400 cu in (6.6 L) Pontiac V8 | 455 cu in (7.5 L) Pontiac V8 |
| 1976 | 400 cu in (6.6 L) Pontiac V8 | 455 cu in (7.5 L) Pontiac V8 |
| 1977 | 403 cu in (6.6 L) Oldsmobile V8 | 400 cu in (6.6 L) Pontiac W72 V8 |
| 1978 | 403 cu in (6.6 L) Oldsmobile V8 | 400 cu in (6.6 L) Pontiac W72 V8 |
| 1979 | 301 cu in (4.9 L) Pontiac V8 | 403 cu in (6.6 L) Oldsmobile V8 | 400 cu in (6.6 L) Pontiac W72 V8 |
| 1980 | 301 cu in (4.9 L) Pontiac V8 | 305 cu in (5.0 L) Chevrolet V8 (4 speed only) | 301 cu in (4.9 L) Pontiac turbo V8 |
| 1981 | 301 cu in (4.9 L) Pontiac V8 | 305 cu in (5.0 L) Chevrolet V8 (4 speed only) | 301 cu in (4.9 L) Pontiac turbo V8 |
Third generation
From 1982 on all engines are Chevrolet sourced, unless stated otherwise.
| 1982 | 305 cu in (5.0 L) 4 barrel V8 | 305 cu in (5.0 L) Cross-Fire Injection V8 (First year for fuel injection in Trans Am) |
| 1983 | 305 cu in (5.0 L) 4 barrel V8 | 305 cu in (5.0 L) Cross-Fire Injection V8 | 305 cu in (5.0 L) 4 barrel V8 H.O. (662 were made, all 5-speeds) |
| 1984 | 305 cu in (5.0 L) 4 barrel V8 | 305 cu in (5.0 L) 4 barrel H.O. V8 (1500 anniversary edition models were made, 500 of them 5 speed) |
| 1985 | 305 cu in (5.0 L) 4 barrel V8 | 305 cu in (5.0 L) Tuned Port Injection V8 | 305 cu in (5.0 L) 4 barrel H.O. V8 H.O. (5 speed only) |
| 1986 | 305 cu in (5.0 L) 4 barrel V8 | 305 cu in (5.0 L) Tuned Port Injection V8 | 305 cu in (5.0 L) 4 barrel V8 (5 speed only) |
| 1987 | 305 cu in (5.0 L) 4 barrel V8 | 305 cu in (5.0 L) Tuned Port Injection V8 | 350 cu in (5.7 L) Tuned Port Injection V8 |
| 1988 | 305 cu in (5.0 L) Throttle Body Injection V8 | 305 cu in (5.0 L) Tuned Port Injection V8 | 350 cu in (5.7 L) Tuned Port Injection V8 |
| 1989 | 305 cu in (5.0 L) Throttle Body Injection V8 | 305 cu in (5.0 L) Tuned Port Injection V8 | 350 cu in (5.7 L) Tuned Port Injection V8 | 231 cu in (3.8 L) Buick Turbo V6 |
| 1990 | 305 cu in (5.0 L) Tuned Port Injection V8 | 350 cu in (5.7 L) Tuned Port Injection V8 |
| 1991 | 305 cu in (5.0 L) Tuned Port Injection V8 | 350 cu in (5.7 L) Tuned Port Injection V8 |
| 1992 | 305 cu in (5.0 L) Tuned Port Injection V8 | 350 cu in (5.7 L) Tuned Port Injection V8 |
Fourth generation
| 1993 | 5.7 L (347.8 cu in) LT1 V8 |
| 1994 |
| 1995 |
| 1996 |
| 1997 |
| 1998 | 5.7 L (347.8 cu in) LS1 V8 |
| 1999 |
| 2000 |
| 2001 |
| 2002 |
Performance (Firebird / Firebird Trans Am)
| Engine | Year(s) | Power | 0-60 mph | Top Speed |
|
| 400 cu in (6.6 L) Pontiac W72 V8 | 1979 | 200 bhp (150 kW) | 6.7 s. |
|
|
| 305 cu in (5.0 L) LB9 V8 | 1989–1992 | 225 bhp (168 kW) | < 6.6 s. | > 140 mph (230 km/h) |
|
| 231 cu in (3.8 L) Buick Turbo V6 | 1989 | 250 bhp (190 kW) | 4.6 s. | 162 mph (261 km/h) |
|
| 5.7 L (347.8 cu in) LT1 V8 | 1993–1997 | 275 bhp (205 kW)-285 bhp (213 kW) | 5.4 s. | 155 mph (249 km/h) (electronically limited) |
| 1996–1997 | 305 bhp (227 kW) | 5.0 s. | 155 mph (249 km/h) (electronically limited) |
|
| 5.7 L (347.8 cu in) LS1 V8 | 1998–2000 | 305 bhp (227 kW) (Trans Am), 320 bhp (240 kW) WS.6 |
4.9 s. | 160 mph (260 km/h)(electronically limited: faster with limiter disabled) |
| 2001–2002 | 305 bhp (227 kW) (Trans Am), 325 bhp (242 kW) WS.6 |
4.7 s. | 160 mph (260 km/h)(electronically limited: faster with limiter disabled) |
