Beneteau 331 vs Beneteau First Class 10
How do the Beneteau 331 and Beneteau First Class 10 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Beneteau 331 
Beneteau First Class 10 | Beneteau 331 | Beneteau First Class 10 | |
|---|---|---|
| Length overall | 33.9 ft10.34 m | 34.3 ft10.46 m |
| Waterline length | 30.5 ft9.30 m | 30.1 ft9.17 m |
| Beam | 11.3 ft3.45 m | 9.7 ft2.95 m |
| Draft | 5.5 ft1.68 m | 5.8 ft1.75 m |
| Displacement | 11,173 lb5,068 kg | 6,900 lb3,130 kg |
| Ballast | 3,253 lb1,476 kg | 2,450 lb1,111 kg |
| Sail area | 500 ft²46.5 m² | 518 ft²48.1 m² |
| SA / Displacement | 16.01 | 22.87 |
| Displacement / Length | 176 | 113 |
| Comfort ratio | 21.6 | 16.6 |
| Capsize screening | 2.03 | 2.03 |
| Hull speed (kn) | 7.4 | 7.3 |
Beneteau 331 vs Beneteau First Class 10: the short version
- The Beneteau 331 and Beneteau First Class 10 are close in length (33.9 ft10.34 m vs 34.3 ft10.46 m ).
- The Beneteau 331 is heavier, displacing about 62% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Beneteau First Class 10 carries the more powerful rig (22.9 vs 16.0), favouring lighter-air performance.
- The Beneteau 331 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Beneteau 331 rates better for offshore work (2.03 vs 2.03).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.