USA vs France — 1960 vs 1970
| Corvair Monza Spyder Turbo | GS Birotor | |
|---|---|---|
| Horsepower | 180 hp | 107 hp |
| Torque | 221 lb-ft | 100 lb-ft |
| Engine Size | 2,687 cc | 1,990 cc |
| 0-60 mph | 10.8 sec | 13.5 sec |
| Top Speed | 115 mph | 109 mph |
| ¼ Mile | 17.5 sec | 19.2 sec |
| Weight | 2,550 lbs | 2,425 lbs |
| Wheelbase | 2,743 mm | 2,550 mm |
| Length | 4,572 mm | 4,120 mm |
| Units Produced | — | 847 |
| Original MSRP | $2,599 | — |
| Value (Excellent) | $45,000 | $120,000 |
| Collectibility | 7/10 | 9/10 |
| Rarity | 7/10 | 10/10 |
On balance, the 1960 Chevrolet Corvair Monza Spyder Turbo makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1970 Citroen GS Birotor counters with stronger collectibility, and its appeal extends beyond mere numbers. Choose the 1960 Chevrolet Corvair Monza Spyder Turbo for outright capability, or the 1970 Citroen GS Birotor for a more distinctive ownership experience.
The rivalry between USA and France automotive industries has produced legendary matchups, and the 1960 Chevrolet Corvair Monza Spyder Turbo versus 1970 Citroen GS Birotor is among the most fascinating. These two cars represent the best of their national engineering schools. The 1960 Chevrolet Corvair Monza Spyder Turbo holds a clear advantage in raw power with 180 hp compared to 107 hp, a 73-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Chevrolet Corvair uses a Flat-6 (Air-cooled) displacing 2,687 cc, while the Citroen GS relies on a Twin-rotor Wankel with 1,990 cc. In the sprint to 60 mph, the 1960 Chevrolet Corvair Monza Spyder Turbo edges ahead at 10.8 seconds versus 13.5 seconds. On the collector market, the 1970 Citroen GS Birotor commands a significant premium over the 1960 Chevrolet Corvair Monza Spyder Turbo, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Citroen GS Birotor rates higher among enthusiasts and auction houses.