Dufour 430
Boat highlights
Dufour 430 is currently estimated in the Below Average band with an SBP score of 83.
Length overall
43.4 ft
Primary sail area
990 ft²
Displacement
21,385 lbs
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Performance Analysis
Detailed performance metrics and polar diagram for Dufour 430.
Methodology note: SBP scores, polar diagrams, hull-speed values, and derived ratios are estimates. Use them for comparison and planning support—not as a substitute for manufacturer specifications, measured sea trials, rating certificates, professional weather routing, or safety margins. Review how we rate boats.
Performance Metrics
Speed Estimates
| Wind Speed (kn) | Beat VMG (kn) | Run VMG (kn) |
|---|---|---|
| 6 | 3.3 | 3.2 |
| 8 | 4.1 | 4.2 |
| 10 | 4.7 | 5.1 |
| 12 | 5.1 | 5.9 |
| 14 | 5.4 | 6.5 |
| 16 | 5.5 | 7.2 |
| 20 | 5.6 | 8.1 |
Polar Diagram
Wind Speed (kn)
Key Specifications
Explore the hull dimensions and sail plan for Dufour 430.
Dimensions
Sails
Construction ratios
Discussion
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Log in to commentData sources and methodology
Published specifications are kept separate from calculated ratios and estimated performance. SBP and speed outputs are model-based estimates, not owner ratings or certified handicaps.
- Specifications
- verified
- Ratios
- derived
- Performance
- estimated
Last checked: 27 Aug 2026. Source: Dufour official website. Read the SBP methodology.
