Performance
Engine Year(s) Power 0-60 mph Top Speed Comments
5.0L-16V V8 (LB9) 1989-1992 225 bhp (168 kW) < 7 s. > 135 mph / 217 km/h Formula model equipped with N10/MM5/GM3 option codes[3]
Turbocharged 3.8L V6 (LC2) 1989 250 bhp (190 kW) 6.6 s. 153 mph / 250 km/h 20th Anniversary Trans Am Pace Car[4]
5.7L-16V V8 (LT1) 1993-1997 275-285 bhp 5.4 s. 155 mph / 250 km/h (electronically limited)
1996-1997 (ram air) 305 bhp (227 kW) 5.0 s. 155 mph / 250 km/h (electronically limited)
5.7L-16V V8 (LS1) 1998-2002 305-330 bhp 4.9 165 mph / 260 km/h (electronically limited)
1998-2002 (ram air) 320-355 bhp 4.2-4.8 s. 165 mph / 265 km/h (electronically limited)

sources from: http://en.wikipedia.org/wiki/Pontiac_Trans_Am#Trans_Am