Sigma 818 vs Sigma 820
Sigma yard ladder comparison: Sigma 818 versus Sigma 820 cruising layout from published model data.
Comparison table
| Category | Sigma 818 | Sigma 820 |
|---|---|---|
| Length overall | 14.3 m | 9.5 m |
| Beam | 4.58 m | 3.04 m |
| Production years | 2024– | 2024– |
| Overview | The Sigma 818 is one of Northern Europe's most recognisable production sailboats. Designed by Swedish yards and built from 2024 to present, roughly ~120–300 hulls left the yard — Sigma 818 Swedish cruiser with Nordic brokerage turnover. With 14.3 m LOA, 4.58 m beam, and about 7,… | The Sigma 820 is one of Northern Europe's most recognisable production sailboats. Designed by Swedish yards and built from 2024 to present, roughly ~400–940 hulls left the yard — Sigma 820 Swedish cruiser with Baltic secondary-market liquidity. With 9.5 m LOA, 3.04 m beam, and a… |
| Typical issues | Q: What standing rigging fatigue issues appear on Sigma 818? A: Unknown rigging age is common on Sigma 818; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 818? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 818? A: Stanchion bases and tracks concentrate w… | Q: What standing rigging fatigue issues appear on Sigma 820? A: Unknown rigging age is common on Sigma 820; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 820? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 820? A: Stanchion bases and tracks concentrate w… |