Australia vs USA — 2006 vs 1987

| Commodore HSV GTS-R W1 | Regal GNX | |
|---|---|---|
| Horsepower | 636 hp | 276 hp |
| Torque | 601 lb-ft | 360 lb-ft |
| Engine Size | 6,162 cc | 3,791 cc |
| 0-60 mph | 3.9 sec | 4.7 sec |
| Top Speed | 193 mph | 124 mph |
| ¼ Mile | 11.9 sec | 13.5 sec |
| Weight | — | 3,640 lbs |
| Wheelbase | 2,915 mm | 2,769 mm |
| Length | 4,936 mm | 5,023 mm |
| Units Produced | 300 | 547 |
| Original MSRP | — | $29,290 |
| Value (Excellent) | $250,000 | $275,000 |
| Collectibility | 5/10 | 10/10 |
| Rarity | 9/10 | 10/10 |
On balance, the 2006 Holden Commodore HSV GTS-R W1 makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1987 Buick Regal GNX counters with stronger collectibility, and its appeal extends beyond mere numbers. Choose the 2006 Holden Commodore HSV GTS-R W1 for outright capability, or the 1987 Buick Regal GNX for a more distinctive ownership experience.
The rivalry between Australia and USA automotive industries has produced legendary matchups, and the 2006 Holden Commodore HSV GTS-R W1 versus 1987 Buick Regal GNX is among the most fascinating. These two cars represent the best of their national engineering schools. The 2006 Holden Commodore HSV GTS-R W1 holds a clear advantage in raw power with 636 hp compared to 276 hp, a 360-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Holden Commodore uses a V8 Supercharged OHV 16V displacing 6,162 cc, while the Buick Regal relies on a V6 Turbo with 3,791 cc. In the sprint to 60 mph, the 2006 Holden Commodore HSV GTS-R W1 edges ahead at 3.9 seconds versus 4.7 seconds. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference. From a collectibility standpoint, the 1987 Buick Regal GNX rates higher among enthusiasts and auction houses.