Sigma 1818 vs Sigma 1820

Sigma yard ladder comparison: Sigma 1818 versus Sigma 1820 cruising layout from published model data.

Comparison table

CategorySigma 1818Sigma 1820
Length overall12.5 m13 m
Beam4 m4.16 m
Production years2024–2024–
OverviewThe Sigma 1818 is one of Northern Europe's most recognisable production sailboats. Designed by Swedish yards and built from 2024 to present, roughly ~200–740 hulls left the yard — Sigma 1818 Swedish cruiser with Nordic brokerage turnover. With 12.5 m LOA, 4. m beam, and about 6,…The Sigma 1820 is one of Northern Europe's most recognisable production sailboats. Designed by Swedish yards and built from 2024 to present, roughly ~320–680 hulls left the yard — Sigma 1820 Swedish cruiser with Baltic secondary-market liquidity. With 13.0 m LOA, 4.16 m beam, an…
Typical issuesQ: What standing rigging fatigue issues appear on Sigma 1818? A: Unknown rigging age is common on Sigma 1818; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 1818? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 1818? A: Stanchion bases and tracks concentra…Q: What standing rigging fatigue issues appear on Sigma 1820? A: Unknown rigging age is common on Sigma 1820; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 1820? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 1820? A: Stanchion bases and tracks concentra…