Sigma 3998 vs Sigma 4000
Sigma yard ladder comparison: Sigma 3998 versus Sigma 4000 cruising layout from published model data.
Comparison table
| Category | Sigma 3998 | Sigma 4000 |
|---|---|---|
| Length overall | 11.7 m | 12.1 m |
| Beam | 3.74 m | 3.87 m |
| Production years | 2024– | 2024– |
| Overview | The Sigma 3998 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 3998 Swedish cruiser with Nordic brokerage turnover. With 11.7 m LOA, 3.74 m beam, and about… | The Sigma 4000 is one of Northern Europe's most recognisable production sailboats. Designed by Swedish yards and built from 2024 to present, roughly ~440–890 hulls left the yard — Sigma 4000 Swedish cruiser with Baltic secondary-market liquidity. With 12.1 m LOA, 3.87 m beam, an… |
| Typical issues | Q: What standing rigging fatigue issues appear on Sigma 3998? A: Unknown rigging age is common on Sigma 3998; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 3998? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 3998? A: Stanchion bases and tracks concentra… | Q: What standing rigging fatigue issues appear on Sigma 4000? A: Unknown rigging age is common on Sigma 4000; budget replacement if invoices are missing. Q: What chainplate leaks issues appear on Sigma 4000? A: Chainplate bedding failures often show as ceiling stains — moisture mapping before purchase. Q: What deck core moisture issues appear on Sigma 4000? A: Stanchion bases and tracks concentra… |