France vs France — 1970 vs 1993
| GS Birotor | Xantia Activa | |
|---|---|---|
| Horsepower | 107 hp | 150 hp |
| Torque | 100 lb-ft | 140 lb-ft |
| Engine Size | 1,990 cc | 1,998 cc |
| 0-60 mph | 13.5 sec | 8.5 sec |
| Top Speed | 109 mph | 134 mph |
| ¼ Mile | 19.2 sec | 16.5 sec |
| Weight | 2,425 lbs | 3,020 lbs |
| Wheelbase | 2,550 mm | 2,740 mm |
| Length | 4,120 mm | 4,440 mm |
| Units Produced | 847 | — |
| Value (Excellent) | $120,000 | $18,000 |
| Collectibility | 9/10 | 6/10 |
| Rarity | 10/10 | 7/10 |
Numbers favor the 1993 Citroen Xantia Activa with more power, quicker acceleration, higher top speed. The 1970 Citroen GS Birotor offers lighter weight, stronger collectibility, 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 1970 Citroen GS Birotor with the 1993 Citroen Xantia Activa highlights the breadth of the marque's engineering philosophy. The 1993 Citroen Xantia Activa holds a clear advantage in raw power with 150 hp compared to 107 hp, a 43-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Citroen GS uses a Twin-rotor Wankel displacing 1,990 cc, while the Citroen Xantia relies on a Inline-4 DOHC 16V with 1,998 cc. In the sprint to 60 mph, the 1993 Citroen Xantia Activa edges ahead at 8.5 seconds versus 13.5 seconds. The Citroen GS carries a weight advantage, tipping the scales 595 lbs lighter. On the collector market, the 1970 Citroen GS Birotor commands a significant premium over the 1993 Citroen Xantia Activa, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Citroen GS Birotor rates higher among enthusiasts and auction houses.