USA vs USA — 1984 vs 1991
| Grand National GNX | Roadmaster Estate Wagon | |
|---|---|---|
| Horsepower | 276 hp | 180 hp |
| Torque | 360 lb-ft | — |
| Engine Size | 3,791 cc | 5,733 cc |
| 0-60 mph | 4.7 sec | — |
| Top Speed | 125 mph | — |
| ¼ Mile | 13.4 sec | — |
| Weight | 3,500 lbs | — |
| Wheelbase | 2,743 mm | 2,944 mm |
| Length | 5,059 mm | 5,528 mm |
| Units Produced | 547 | — |
| Original MSRP | $29,290 | — |
| Value (Excellent) | $300,000 | $30,000 |
| Collectibility | 10/10 | 5/10 |
| Rarity | 9/10 | 10/10 |
This matchup is remarkably close. The 1984 Buick Grand National GNX offers more power, stronger collectibility, while the 1991 Buick Roadmaster Estate Wagon counters with better value. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.
Within the Buick stable, the 1984 Buick Grand National GNX and 1991 Buick Roadmaster Estate Wagon represent different approaches to performance and purpose. Both carry the Buick badge, yet each carves out its own distinct identity. The 1984 Buick Grand National GNX holds a clear advantage in raw power with 276 hp compared to 180 hp, a 96-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Buick Grand National uses a V6 OHV Turbocharged (Buick 3.8L) displacing 3,791 cc, while the Buick Roadmaster relies on a V8 with 5,733 cc. On the collector market, the 1984 Buick Grand National GNX commands a significant premium over the 1991 Buick Roadmaster Estate Wagon, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1984 Buick Grand National GNX rates higher among enthusiasts and auction houses.