USA vs USA — 1971 vs 1988
| Riviera GS (Boattail) | Reatta Coupe | |
|---|---|---|
| Horsepower | 330 hp | 165 hp |
| Torque | 450 lb-ft | 210 lb-ft |
| Engine Size | 7,456 cc | 3,791 cc |
| 0-60 mph | 7.5 sec | 9.5 sec |
| Top Speed | 120 mph | 123 mph |
| ¼ Mile | 15.5 sec | 17.2 sec |
| Weight | — | 3,400 lbs |
| Wheelbase | 3,048 mm | 2,526 mm |
| Length | 5,523 mm | 4,684 mm |
| Units Produced | — | 21,751 |
| Original MSRP | — | $26,700 |
| Value (Excellent) | $55,000 | $25,000 |
| Collectibility | 5/10 | 5/10 |
| Rarity | 5/10 | 6/10 |
Two outstanding machines, each with compelling strengths. The 1971 Buick Riviera GS (Boattail) excels in more power, quicker acceleration, while the 1988 Buick Reatta Coupe stands out for higher top speed, better value. The best advice? Drive both if you can, then follow your instincts.
The 1971 Buick Riviera GS (Boattail) and 1988 Buick Reatta Coupe share a manufacturer in Buick, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Buick brand. The 1971 Buick Riviera GS (Boattail) holds a clear advantage in raw power with 330 hp compared to 165 hp, a 165-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Buick Riviera uses a V8 OHV 16V displacing 7,456 cc, while the Buick Reatta relies on a V6 OHV with 3,791 cc. In the sprint to 60 mph, the 1971 Buick Riviera GS (Boattail) edges ahead at 7.5 seconds versus 9.5 seconds. On the collector market, the 1971 Buick Riviera GS (Boattail) commands a significant premium over the 1988 Buick Reatta Coupe, reflecting differences in prestige and rarity.