Sigma 518 vs Sigma 520
Sigma yard ladder comparison: Sigma 518 versus Sigma 520 cruising layout from published model data.
Comparison table
| Category | Sigma 518 | Sigma 520 |
|---|---|---|
| Length overall | 157.2 m | 157.8 m |
| Beam | 50.3 m | 50.5 m |
| Production years | 2024– | 2024– |
| Overview | The Sigma 518 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 518 Swedish cruiser with Nordic brokerage turnover. With 157.2 m LOA, 50.3 m beam, and about 81,7… | The Sigma 520 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 520 Swedish cruiser with Baltic secondary-market liquidity. With 157.8 m LOA, 50.5 m beam, and ab… |
| Typical issues | Q: What standing rigging fatigue issues appear on Sigma 518? A: Unknown rigging age is common on Sigma 518; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 518? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 518? A: Stanchion bases and tracks concentrate w… | Q: What standing rigging fatigue issues appear on Sigma 520? A: Unknown rigging age is common on Sigma 520; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 520? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 520? A: Stanchion bases and tracks concentrate w… |