USA vs USA — 1964 vs 1966
| GTO Tri-Power | GTO Tri-Power 389 | |
|---|---|---|
| Horsepower | 360 hp | 360 hp |
| Torque | 424 lb-ft | 424 lb-ft |
| Engine Size | 6,376 cc | 6,374 cc |
| 0-60 mph | 5.7 sec | 6.2 sec |
| Top Speed | 125 mph | 130 mph |
| ¼ Mile | 14.1 sec | 14.0 sec |
| Wheelbase | 2,921 mm | 2,946 mm |
| Length | 5,118 mm | 5,156 mm |
| Units Produced | 32,450 | 96,946 |
| Value (Excellent) | $140,000 | $130,000 |
| Collectibility | 5/10 | 5/10 |
| Rarity | 4/10 | 4/10 |
This matchup is remarkably close. The 1964 Pontiac GTO Tri-Power offers quicker acceleration, greater rarity, while the 1966 Pontiac GTO Tri-Power 389 counters with higher top speed. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.
The Pontiac GTO lineage tells a fascinating story of automotive evolution. Comparing the 1964 Pontiac GTO Tri-Power with the 1966 Pontiac GTO Tri-Power 389 reveals how Pontiac refined and reimagined one of its most important nameplates over the years. On paper, the two are remarkably close in power output, with the 1964 Pontiac GTO Tri-Power producing 360 hp and the 1966 Pontiac GTO Tri-Power 389 delivering 360 hp. Under the hood, the contrast is notable: the Pontiac GTO uses a V8 OHV 16V displacing 6,376 cc, while the Pontiac GTO relies on a V8 OHV with 6,374 cc. In the sprint to 60 mph, the 1964 Pontiac GTO Tri-Power edges ahead at 5.7 seconds versus 6.2 seconds. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference.