Sigma 578 vs Sigma 580
Sigma yard ladder comparison: Sigma 578 versus Sigma 580 cruising layout from published model data.
Comparison table
| Category | Sigma 578 | Sigma 580 |
|---|---|---|
| Length overall | 175.2 m | 175.8 m |
| Beam | 56.06 m | 56.26 m |
| Production years | 2024– | 2024– |
| Overview | The Sigma 578 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 578 Swedish cruiser with Nordic brokerage turnover. With 175.2 m LOA, 56.06 m beam, and about 91,… | The Sigma 580 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 580 Swedish cruiser with Baltic secondary-market liquidity. With 175.8 m LOA, 56.26 m beam, and a… |
| Typical issues | Q: What standing rigging fatigue issues appear on Sigma 578? A: Unknown rigging age is common on Sigma 578; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 578? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 578? A: Stanchion bases and tracks concentrate w… | Q: What standing rigging fatigue issues appear on Sigma 580? A: Unknown rigging age is common on Sigma 580; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 580? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 580? A: Stanchion bases and tracks concentrate w… |