Sigma 4378 vs Sigma 4380

Sigma yard ladder comparison: Sigma 4378 versus Sigma 4380 cruising layout from published model data.

Comparison table

CategorySigma 4378Sigma 4380
Length overall1315.2 m1315.8 m
Beam420.86 m421.06 m
Production years2024–2024–
OverviewThe Sigma 4378 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 4378 Swedish cruiser with Nordic brokerage turnover. With 1315.2 m LOA, 420.86 m beam, and about…The Sigma 4380 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 4380 Swedish cruiser with Baltic secondary-market liquidity. With 1315.8 m LOA, 421.06 m beam, a…
Typical issuesQ: What standing rigging fatigue issues appear on Sigma 4378? A: Unknown rigging age is common on Sigma 4378; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 4378? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 4378? A: Stanchion bases and tracks concentra…Q: What standing rigging fatigue issues appear on Sigma 4380? A: Unknown rigging age is common on Sigma 4380; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 4380? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 4380? A: Stanchion bases and tracks concentra…