USA vs USA — 1966 vs 2004
| GTO Tri-Power 389 | GTO 6.0 LS2 | |
|---|---|---|
| Horsepower | 360 hp | 400 hp |
| Torque | 424 lb-ft | 400 lb-ft |
| Engine Size | 6,374 cc | 5,967 cc |
| 0-60 mph | 6.2 sec | 4.7 sec |
| Top Speed | 130 mph | 170 mph |
| ¼ Mile | 14.0 sec | 13.1 sec |
| Weight | — | 3,700 lbs |
| Wheelbase | 2,946 mm | 2,790 mm |
| Length | 5,156 mm | 4,815 mm |
| Units Produced | 96,946 | 40,808 |
| Original MSRP | — | $33,690 |
| Value (Excellent) | $130,000 | $50,000 |
| Collectibility | 5/10 | 7/10 |
| Rarity | 4/10 | 5/10 |
Numbers favor the 2004 Pontiac GTO 6.0 LS2 with more power, quicker acceleration, higher top speed. The 1966 Pontiac GTO Tri-Power 389 offers its unique character, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.
Few model names carry as much weight as the Pontiac GTO. The 1966 and 2004 iterations represent different chapters in this storied nameplate's history, each reflecting the priorities and technologies of its era. The 2004 Pontiac GTO 6.0 LS2 holds a clear advantage in raw power with 400 hp compared to 360 hp, a 40-horsepower difference that shapes the driving experience. In the sprint to 60 mph, the 2004 Pontiac GTO 6.0 LS2 edges ahead at 4.7 seconds versus 6.2 seconds. On the collector market, the 1966 Pontiac GTO Tri-Power 389 commands a significant premium over the 2004 Pontiac GTO 6.0 LS2, reflecting differences in prestige and rarity. From a collectibility standpoint, the 2004 Pontiac GTO 6.0 LS2 rates higher among enthusiasts and auction houses.