Sigma 666 vs Sigma 668

Sigma yard ladder comparison: Sigma 666 versus Sigma 668 cruising layout from published model data.

Comparison table

CategorySigma 666Sigma 668
Length overall201.6 m202.2 m
Beam64.51 m64.7 m
Production years2024–2024–
OverviewThe Sigma 666 is one of Northern Europe's most recognisable production sailboats. Designed by Swedish yards and built from 2024 to null, roughly ~150–800 hulls left the yard — Sigma 666 Swedish cruiser with Nordic brokerage turnover. With 201.6 m LOA, 64.51 m beam, and about 104…The Sigma 668 is one of Northern Europe's most recognisable production sailboats. Designed by Swedish yards and built from 2024 to null, roughly ~150–800 hulls left the yard — Sigma 668 Swedish cruiser with Baltic secondary-market liquidity. With 202.2 m LOA, 64.7 m beam, and ab…
Typical issuesQ: What standing rigging fatigue issues appear on Sigma 666? A: Unknown rigging age is common on Sigma 666; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 666? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 666? A: Stanchion bases and tracks concentrate w…Q: What standing rigging fatigue issues appear on Sigma 668? A: Unknown rigging age is common on Sigma 668; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 668? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 668? A: Stanchion bases and tracks concentrate w…