France vs France — 1919 vs 1970
| Type A 10HP Torpedo | GS Birotor | |
|---|---|---|
| Horsepower | 18 hp | 107 hp |
| Torque | — | 100 lb-ft |
| Engine Size | 1,327 cc | 1,990 cc |
| 0-60 mph | — | 13.5 sec |
| Top Speed | 40 mph | 109 mph |
| ¼ Mile | — | 19.2 sec |
| Weight | 1,764 lbs | 2,425 lbs |
| Wheelbase | 2,830 mm | 2,550 mm |
| Length | 3,810 mm | 4,120 mm |
| Units Produced | 24,093 | 847 |
| Value (Excellent) | $80,000 | $120,000 |
| Collectibility | 8/10 | 9/10 |
| Rarity | 8/10 | 10/10 |
Numbers favor the 1970 Citroen GS Birotor with more power, higher top speed, greater rarity. The 1919 Citroen Type A 10HP Torpedo offers lighter weight, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.
Citroen has long offered a diverse lineup, and comparing the 1919 Citroen Type A 10HP Torpedo with the 1970 Citroen GS Birotor highlights the breadth of the marque's engineering philosophy. The 1970 Citroen GS Birotor holds a clear advantage in raw power with 107 hp compared to 18 hp, a 89-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Citroen Type A uses a Inline-4 SV displacing 1,327 cc, while the Citroen GS relies on a Twin-rotor Wankel with 1,990 cc. The 1970 Citroen GS Birotor claims a higher top speed at 109 mph compared to 40 mph. The Citroen Type A carries a weight advantage, tipping the scales 661 lbs lighter. Rarity plays a significant role here — with only 847 units built, the 1970 Citroen GS Birotor is considerably scarcer than the Citroen Type A's 24,093 examples.