Sigma 646 vs Sigma 648
Sigma yard ladder comparison: Sigma 646 versus Sigma 648 cruising layout from published model data.
Comparison table
| Category | Sigma 646 | Sigma 648 |
|---|---|---|
| Length overall | 195.6 m | 196.2 m |
| Beam | 62.59 m | 62.78 m |
| Production years | 2024– | 2024– |
| Overview | The Sigma 646 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 646 Swedish cruiser with Nordic brokerage turnover. With 195.6 m LOA, 62.59 m beam, and about 101… | The Sigma 648 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 648 Swedish cruiser with Baltic secondary-market liquidity. With 196.2 m LOA, 62.78 m beam, and a… |
| Typical issues | Q: What standing rigging fatigue issues appear on Sigma 646? A: Unknown rigging age is common on Sigma 646; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 646? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 646? A: Stanchion bases and tracks concentrate w… | Q: What standing rigging fatigue issues appear on Sigma 648? A: Unknown rigging age is common on Sigma 648; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 648? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 648? A: Stanchion bases and tracks concentrate w… |