Sigma 3678 vs Sigma 3680
Sigma yard ladder comparison: Sigma 3678 versus Sigma 3680 cruising layout from published model data.
Comparison table
| Category | Sigma 3678 | Sigma 3680 |
|---|---|---|
| Length overall | 1105.2 m | 1105.8 m |
| Beam | 353.66 m | 353.86 m |
| Production years | 2024– | 2024– |
| Overview | The Sigma 3678 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 3678 Swedish cruiser with Nordic brokerage turnover. With 1105.2 m LOA, 353.66 m beam, and about… | The Sigma 3680 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 3680 Swedish cruiser with Baltic secondary-market liquidity. With 1105.8 m LOA, 353.86 m beam, a… |
| Typical issues | Q: What standing rigging fatigue issues appear on Sigma 3678? A: Unknown rigging age is common on Sigma 3678; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 3678? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 3678? A: Stanchion bases and tracks concentra… | Q: What standing rigging fatigue issues appear on Sigma 3680? A: Unknown rigging age is common on Sigma 3680; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 3680? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 3680? A: Stanchion bases and tracks concentra… |