Pontiac GTO

vs

Pontiac Firebird Trans Am

USA vs USA — 1968 vs 1989

Pontiac GTO (1968)
Pontiac Firebird Trans Am (1989)
Specifications
GTO 400 Ram AirFirebird Trans Am GTA
Horsepower366 hp250 hp
Torque445 lb-ft350 lb-ft
Engine Size6,555 cc5,735 cc
0-60 mph6.2 sec5.4 sec
Top Speed130 mph150 mph
¼ Mile14.2 sec14.0 sec
Weight3,500 lbs3,400 lbs
Wheelbase2,845 mm2,565 mm
Length5,131 mm4,978 mm
Units Produced87,68416,700
Original MSRP$3,101$19,995
Value (Excellent)$110,000$38,000
Collectibility8/107/10
Rarity5/106/10
The Verdict

The 1989 Pontiac Firebird Trans Am GTA emerges ahead in most objective measures, offering quicker acceleration, higher top speed, greater rarity. The 1968 Pontiac GTO 400 Ram Air counters with more power, stronger collectibility, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.

Overview

The 1968 Pontiac GTO 400 Ram Air and 1989 Pontiac Firebird Trans Am GTA share a manufacturer in Pontiac, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Pontiac brand. The 1968 Pontiac GTO 400 Ram Air holds a clear advantage in raw power with 366 hp compared to 250 hp, a 116-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Pontiac GTO uses a V8 OHV (Pontiac 400) displacing 6,555 cc, while the Pontiac Firebird Trans Am relies on a V8 OHV with 5,735 cc. In the sprint to 60 mph, the 1989 Pontiac Firebird Trans Am GTA edges ahead at 5.4 seconds versus 6.2 seconds. Rarity plays a significant role here — with only 16,700 units built, the 1989 Pontiac Firebird Trans Am GTA is considerably scarcer than the Pontiac GTO's 87,684 examples. On the collector market, the 1968 Pontiac GTO 400 Ram Air commands a significant premium over the 1989 Pontiac Firebird Trans Am GTA, reflecting differences in prestige and rarity.