Sigma 678 vs Sigma 680
Sigma yard ladder comparison: Sigma 678 versus Sigma 680 cruising layout from published model data.
Comparison table
| Category | Sigma 678 | Sigma 680 |
|---|---|---|
| Length overall | 205.2 m | 205.8 m |
| Beam | 65.66 m | 65.86 m |
| Production years | 2024– | 2024– |
| Overview | The Sigma 678 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 678 Swedish cruiser with Nordic brokerage turnover. With 205.2 m LOA, 65.66 m beam, and about 106… | The Sigma 680 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 680 Swedish cruiser with Baltic secondary-market liquidity. With 205.8 m LOA, 65.86 m beam, and a… |
| Typical issues | Q: What standing rigging fatigue issues appear on Sigma 678? A: Unknown rigging age is common on Sigma 678; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 678? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 678? A: Stanchion bases and tracks concentrate w… | Q: What standing rigging fatigue issues appear on Sigma 680? A: Unknown rigging age is common on Sigma 680; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 680? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 680? A: Stanchion bases and tracks concentrate w… |