USA vs USA — 2004 vs 1987

| GTO 6.0 LS2 | Regal GNX | |
|---|---|---|
| Horsepower | 400 hp | 276 hp |
| Torque | 400 lb-ft | 360 lb-ft |
| Engine Size | 5,967 cc | 3,791 cc |
| 0-60 mph | 4.7 sec | 4.7 sec |
| Top Speed | 170 mph | 124 mph |
| ¼ Mile | 13.1 sec | 13.5 sec |
| Weight | 3,700 lbs | 3,640 lbs |
| Wheelbase | 2,790 mm | 2,769 mm |
| Length | 4,815 mm | 5,023 mm |
| Units Produced | 40,808 | 547 |
| Original MSRP | $33,690 | $29,290 |
| Value (Excellent) | $50,000 | $275,000 |
| Collectibility | 7/10 | 10/10 |
| Rarity | 5/10 | 10/10 |
This matchup is remarkably close. The 2004 Pontiac GTO 6.0 LS2 offers more power, higher top speed, better value, while the 1987 Buick Regal GNX counters with quicker acceleration, greater rarity, stronger collectibility. 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 2004 Pontiac GTO 6.0 LS2 and 1987 Buick Regal GNX stand as two of the most notable Muscle Car cars from Modern classic. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. The 2004 Pontiac GTO 6.0 LS2 holds a clear advantage in raw power with 400 hp compared to 276 hp, a 124-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Pontiac GTO uses a V8 OHV displacing 5,967 cc, while the Buick Regal relies on a V6 Turbo with 3,791 cc. In the sprint to 60 mph, the 1987 Buick Regal GNX edges ahead at 4.7 seconds versus 4.7 seconds. Rarity plays a significant role here — with only 547 units built, the 1987 Buick Regal GNX is considerably scarcer than the Pontiac GTO's 40,808 examples. On the collector market, the 1987 Buick Regal GNX commands a significant premium over the 2004 Pontiac GTO 6.0 LS2, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1987 Buick Regal GNX rates higher among enthusiasts and auction houses.