Citroën GS Birotor

The Citroën GS Birotor sits at US$37,185 on the secondary market, though this figure rests on historical transaction data rather than recent activity. No sales have been tracked in the past 12 months, making current pricing more indicative than conclusive.

Only 847 examples were built during the car's production run, establishing it firmly in the ultra-rare category. The Birotor's rotary engine and French engineering place it among genuine mechanical outliers of the 1970s, and its scarcity alone qualifies it as Holy Grail material for serious collectors.

The US market shows no liquidity for this model—zero listings and zero recorded sales over the past year. For buyers or sellers, this means price discovery is difficult and transaction timing could stretch considerably.

Desirability ratings remain low despite the car's rarity and collectibility score, suggesting that enthusiasm is confined to a narrow specialist audience rather than the broader classic market. The Birotor appeals to rotary-engine devotees and French automotive historians, but these cohorts are small.

Without recent comparative sales, forward projections cannot be reliably drawn. The market for sub-1,000-unit European classics of this era typically follows appreciation patterns tied to heritage recognition and mechanical interest rather than broader economic sentiment, but tracking this particular model requires more transactional data to establish trend direction.