USA vs USA — 1964 vs 1989
| GTO 389 Tri-Power | Firebird Trans Am GTA | |
|---|---|---|
| Horsepower | 348 hp | 250 hp |
| Torque | 428 lb-ft | 350 lb-ft |
| Engine Size | 6,375 cc | 5,735 cc |
| 0-60 mph | 6.6 sec | 5.4 sec |
| Top Speed | 125 mph | 150 mph |
| ¼ Mile | 14.8 sec | 14.0 sec |
| Weight | 3,400 lbs | 3,400 lbs |
| Wheelbase | 2,921 mm | 2,565 mm |
| Length | 5,181 mm | 4,978 mm |
| Units Produced | 32,450 | 16,700 |
| Original MSRP | $2,852 | $19,995 |
| Value (Excellent) | $120,000 | $38,000 |
| Collectibility | 9/10 | 7/10 |
| Rarity | 5/10 | 6/10 |
Two outstanding machines, each with compelling strengths. The 1964 Pontiac GTO 389 Tri-Power excels in more power, stronger collectibility, while the 1989 Pontiac Firebird Trans Am GTA stands out for quicker acceleration, higher top speed, better value. The best advice? Drive both if you can, then follow your instincts.
The 1964 Pontiac GTO 389 Tri-Power 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 1964 Pontiac GTO 389 Tri-Power holds a clear advantage in raw power with 348 hp compared to 250 hp, a 98-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Pontiac GTO uses a V8 OHV (Pontiac 389) displacing 6,375 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 6.6 seconds. On the collector market, the 1964 Pontiac GTO 389 Tri-Power commands a significant premium over the 1989 Pontiac Firebird Trans Am GTA, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1964 Pontiac GTO 389 Tri-Power rates higher among enthusiasts and auction houses.