Mercedes-Benz SLR Coupe +6.4%Mercedes-Benz SLR Roadster +5.1%Mercedes-Benz SLR 722 Coupe +14.2%Mercedes-Benz SLR 722 S Roadster +11.8%Mercedes-Benz SLR Stirling Moss +9.3%Porsche Carrera GT +7.9%Ferrari F40 +12.4%Bugatti EB110 Super Sport +3.1%Mercedes-Benz SLS AMG Coupe +8.7%Mercedes-Benz SLS AMG GT +9.6%Mercedes-Benz SLS AMG Black Series +15.3%Lamborghini Aventador SVJ +6.8%Lamborghini Aventador SVJ 63 +10.4%Lamborghini Aventador SVJ Roadster +7.2%Lamborghini Aventador SVJ 63 Roadster +10.8%Porsche 918 Spyder +8.2%Porsche 959 +9.1%Porsche 911 R (991) +4.6%Porsche 911 GT2 RS (991) +7.3%Porsche 911 Dakar (992) +5.4%Lamborghini Huracán STO +4.2%Lamborghini Huracán Sterrato +5.8%Lamborghini Murciélago LP670-4 SV +13.5%Lamborghini Reventón Coupé +8.4%Lamborghini Reventón Roadster +7.6%Lamborghini Diablo GT +15.1%Lamborghini Diablo GTR +12.2%Lamborghini Veneno Coupé +6.9%Lamborghini Veneno Roadster +5.5%Lamborghini Centenario Coupé +7.2%Lamborghini Centenario Roadster +6.4%Lamborghini Sián FKP 37 Coupé +5.9%Lamborghini Sián FKP 37 Roadster +5.2%Jaguar XJ220 +9.8%Jaguar XJ220S +11.4%Jaguar XJR-15 +8.6%Mercedes-Benz CLK GTR Coupé +10.2%Mercedes-Benz CLK GTR Roadster +9.4%Mercedes-Benz AMG ONE (Project ONE) +4.8%Aston Martin One-77 +7.1%Aston Martin Valkyrie Coupé +8.9%Aston Martin Valkyrie Spider +8.1%Ferrari F50 +11.6%Ferrari Enzo Ferrari +10.3%Ferrari LaFerrari +9.7%Ferrari 458 Speciale Coupé +8.3%Ferrari 458 Speciale Aperta +9.9%Ferrari F12tdf +8.8%Ferrari 812 Competizione Coupé +7.4%Ferrari 812 Competizione A +7.9%Ferrari F80 +6.2%Ferrari SF90 XX Stradale +6.7%Ferrari 296 Speciale +5.6%McLaren F1 +9.5%McLaren P1 +10.8%McLaren P1 GTR +8.4%McLaren Senna +7.7%McLaren Senna LM +7.1%McLaren Senna GTR +6.3%McLaren 765LT Coupé +5.9%McLaren 765LT Spider +5.4%McLaren 750S HS +5.1%McLaren Sabre +6.8%McLaren Speedtail +6.1%McLaren Elva +3.4%Mercedes-Benz SLR Coupe +6.4%Mercedes-Benz SLR Roadster +5.1%Mercedes-Benz SLR 722 Coupe +14.2%Mercedes-Benz SLR 722 S Roadster +11.8%Mercedes-Benz SLR Stirling Moss +9.3%Porsche Carrera GT +7.9%Ferrari F40 +12.4%Bugatti EB110 Super Sport +3.1%Mercedes-Benz SLS AMG Coupe +8.7%Mercedes-Benz SLS AMG GT +9.6%Mercedes-Benz SLS AMG Black Series +15.3%Lamborghini Aventador SVJ +6.8%Lamborghini Aventador SVJ 63 +10.4%Lamborghini Aventador SVJ Roadster +7.2%Lamborghini Aventador SVJ 63 Roadster +10.8%Porsche 918 Spyder +8.2%Porsche 959 +9.1%Porsche 911 R (991) +4.6%Porsche 911 GT2 RS (991) +7.3%Porsche 911 Dakar (992) +5.4%Lamborghini Huracán STO +4.2%Lamborghini Huracán Sterrato +5.8%Lamborghini Murciélago LP670-4 SV +13.5%Lamborghini Reventón Coupé +8.4%Lamborghini Reventón Roadster +7.6%Lamborghini Diablo GT +15.1%Lamborghini Diablo GTR +12.2%Lamborghini Veneno Coupé +6.9%Lamborghini Veneno Roadster +5.5%Lamborghini Centenario Coupé +7.2%Lamborghini Centenario Roadster +6.4%Lamborghini Sián FKP 37 Coupé +5.9%Lamborghini Sián FKP 37 Roadster +5.2%Jaguar XJ220 +9.8%Jaguar XJ220S +11.4%Jaguar XJR-15 +8.6%Mercedes-Benz CLK GTR Coupé +10.2%Mercedes-Benz CLK GTR Roadster +9.4%Mercedes-Benz AMG ONE (Project ONE) +4.8%Aston Martin One-77 +7.1%Aston Martin Valkyrie Coupé +8.9%Aston Martin Valkyrie Spider +8.1%Ferrari F50 +11.6%Ferrari Enzo Ferrari +10.3%Ferrari LaFerrari +9.7%Ferrari 458 Speciale Coupé +8.3%Ferrari 458 Speciale Aperta +9.9%Ferrari F12tdf +8.8%Ferrari 812 Competizione Coupé +7.4%Ferrari 812 Competizione A +7.9%Ferrari F80 +6.2%Ferrari SF90 XX Stradale +6.7%Ferrari 296 Speciale +5.6%McLaren F1 +9.5%McLaren P1 +10.8%McLaren P1 GTR +8.4%McLaren Senna +7.7%McLaren Senna LM +7.1%McLaren Senna GTR +6.3%McLaren 765LT Coupé +5.9%McLaren 765LT Spider +5.4%McLaren 750S HS +5.1%McLaren Sabre +6.8%McLaren Speedtail +6.1%McLaren Elva +3.4%
Make
Lamborghini
Model
Sián
Variant
Sián FKP 37 CoupéSián FKP 37 Roadster
Plate pending
Produced19 units
Engine6.5L V12 Hybrid (807 hp)
Top Speed217 mph

Rarity key points

  • *19 Roadsters built — under a third of the Coupé run
  • *No roof supplied; permanent open-top configuration
  • *Same supercapacitor hybrid V12 as the Coupé
  • *All cars sold to existing Lamborghini collectors before announcement

Current market valuation

$3,750,000+5.2% YOY

Estimated range: $3,250,000 — $4,450,000

US market valuation

Algorithmic projection

Speculative confidence
1 YEAR$4,013,000
3 YEARS$4,613,000
5 YEARS$5,400,000
10 YEARS$7,687,000

Analyst note

Nineteen cars gives the Roadster a materially stronger scarcity case than the Coupé, though almost no public transactions exist to confirm the spread.

Sián FKP 37 Coupé
$3,450,000
10Y +110%
Sián FKP 37 Roadster
$3,750,000
10Y +105%