Sigma 1638 vs Sigma 1640
Sigma yard ladder comparison: Sigma 1638 versus Sigma 1640 cruising layout from published model data.
Comparison table
| Category | Sigma 1638 | Sigma 1640 |
|---|---|---|
| Length overall | 493.2 m | 493.8 m |
| Beam | 157.82 m | 158.02 m |
| Production years | 2024– | 2024– |
| Overview | The Sigma 1638 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 1638 Swedish cruiser with Nordic brokerage turnover. With 493.2 m LOA, 157.82 m beam, and about… | The Sigma 1640 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 1640 Swedish cruiser with Baltic secondary-market liquidity. With 493.8 m LOA, 158.02 m beam, an… |
| Typical issues | Q: What standing rigging fatigue issues appear on Sigma 1638? A: Unknown rigging age is common on Sigma 1638; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 1638? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 1638? A: Stanchion bases and tracks concentra… | Q: What standing rigging fatigue issues appear on Sigma 1640? A: Unknown rigging age is common on Sigma 1640; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 1640? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 1640? A: Stanchion bases and tracks concentra… |