Sigma 3518 vs Sigma 3520

Sigma yard ladder comparison: Sigma 3518 versus Sigma 3520 cruising layout from published model data.

Comparison table

CategorySigma 3518Sigma 3520
Length overall1057.2 m1057.8 m
Beam338.3 m338.5 m
Production years2024–2024–
OverviewThe Sigma 3518 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 3518 Swedish cruiser with Nordic brokerage turnover. With 1057.2 m LOA, 338.3 m beam, and about…The Sigma 3520 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 3520 Swedish cruiser with Baltic secondary-market liquidity. With 1057.8 m LOA, 338.5 m beam, an…
Typical issuesQ: What standing rigging fatigue issues appear on Sigma 3518? A: Unknown rigging age is common on Sigma 3518; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 3518? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 3518? A: Stanchion bases and tracks concentra…Q: What standing rigging fatigue issues appear on Sigma 3520? A: Unknown rigging age is common on Sigma 3520; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 3520? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 3520? A: Stanchion bases and tracks concentra…