Beneteau First Class 10 vs Coast 34
How do the Beneteau First Class 10 and Coast 34 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Beneteau First Class 10 
Coast 34 | Beneteau First Class 10 | Coast 34 | |
|---|---|---|
| Length overall | 34.3 ft10.46 m | 34.3 ft10.46 m |
| Waterline length | 30.1 ft9.17 m | 28.7 ft8.74 m |
| Beam | 9.7 ft2.95 m | 11.5 ft3.50 m |
| Draft | 5.8 ft1.75 m | 5.5 ft1.68 m |
| Displacement | 6,900 lb3,130 kg | 15,750 lb7,144 kg |
| Ballast | 2,450 lb1,111 kg | 6,400 lb2,903 kg |
| Sail area | 518 ft²48.1 m² | 625 ft²58.1 m² |
| SA / Displacement | 22.87 | 15.92 |
| Displacement / Length | 113 | 298 |
| Comfort ratio | 16.6 | 31.1 |
| Capsize screening | 2.03 | 1.83 |
| Hull speed (kn) | 7.3 | 7.2 |
Beneteau First Class 10 vs Coast 34: the short version
- The Beneteau First Class 10 and Coast 34 are close in length (34.3 ft10.46 m vs 34.3 ft10.46 m ).
- The Coast 34 is heavier, displacing about 128% 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 15.9), favouring lighter-air performance.
- The Coast 34 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Coast 34 rates better for offshore work (1.83 vs 2.03).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.