USA vs USA — 1963 vs 1991
| Riviera 1st Generation | Roadmaster Estate Wagon | |
|---|---|---|
| Horsepower | 325 hp | 180 hp |
| Torque | 425 lb-ft | — |
| Engine Size | 6,571 cc | 5,733 cc |
| 0-60 mph | 8.0 sec | — |
| Top Speed | 120 mph | — |
| ¼ Mile | 15.5 sec | — |
| Wheelbase | 3,023 mm | 2,944 mm |
| Length | 5,334 mm | 5,528 mm |
| Units Produced | 40,000 | — |
| Value (Excellent) | $65,000 | $30,000 |
| Collectibility | 5/10 | 5/10 |
| Rarity | 5/10 | 10/10 |
It's a closely fought contest. The 1963 Buick Riviera 1st Generation brings more power to the table, and the 1991 Buick Roadmaster Estate Wagon answers with better value. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.
Buick has long offered a diverse lineup, and comparing the 1963 Buick Riviera 1st Generation with the 1991 Buick Roadmaster Estate Wagon highlights the breadth of the marque's engineering philosophy. The 1963 Buick Riviera 1st Generation holds a clear advantage in raw power with 325 hp compared to 180 hp, a 145-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Buick Riviera uses a V8 OHV displacing 6,571 cc, while the Buick Roadmaster relies on a V8 with 5,733 cc. On the collector market, the 1963 Buick Riviera 1st Generation commands a significant premium over the 1991 Buick Roadmaster Estate Wagon, reflecting differences in prestige and rarity.