1998 Beneteau Oceanis 331 vs 1991 Westerly Seahawk — Comparison
1998 Beneteau Oceanis 331
1991 Westerly Seahawk
Specifications Side by Side
| Specification | 1998 Beneteau Oceanis 331 | 1991 Westerly Seahawk |
|---|---|---|
| General | ||
| Manufacturer | Beneteau | Westerly |
| Year | 1998–2004 | 1991–1997 |
| Type | Sloop | Sloop |
| Country | France | UK |
| Designer | Groupe Finot | Ed Dubois |
| Dimensions | ||
| LOA | 10.14 m (33.3 ft) | 10.36 m (34.0 ft) |
| LWL | 8.84 m (29.0 ft) | 8.53 m (28.0 ft) |
| Beam | 3.40 m (11.2 ft) | 3.35 m (11.0 ft) |
| Draft | 1.65 m (5.4 ft) | 1.80 m (5.9 ft) |
| Weight | ||
| Displacement | 4,990 kg (11,001 lbs) | 6,123 kg (13,499 lbs) |
| Ballast | 1,700 kg (3,748 lbs) | 2,495 kg (5,501 lbs) |
| Sailing | ||
| Sail Area | 50.0 m² (538 ft²) | 48.0 m² (517 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 18 HP | 28 HP |
| Fuel Capacity | 68 L (18.0 gal) | 114 L (30.1 gal) |
| Water Capacity | 120 L (31.7 gal) | 220 L (58.1 gal) |
| Accommodation | ||
| Berths | 6 | 7 |
| Cabins | 2 | 3 |
Performance Comparison
Detailed Comparison
The 1998 Beneteau Oceanis 331 and 1991 Westerly Seahawk represent two takes on sloop-rigged sailing. The 1998 Beneteau Oceanis 331 is a 1990s design by Beneteau from France, while the 1991 Westerly Seahawk is a 1990s offering from Westerly from UK. The 1998 Beneteau Oceanis 331 was penned by Groupe Finot. The 1991 Westerly Seahawk was designed by Ed Dubois.
In terms of size, the 1998 Beneteau Oceanis 331 measures 10.14m (33.3ft) overall with a beam of 3.40m, compared to the 1991 Westerly Seahawk at 10.36m (34.0ft) with a 3.35m beam. The 1991 Westerly Seahawk is 0.22m longer than the 1998 Beneteau Oceanis 331. The 1991 Westerly Seahawk displaces approximately 23% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1998 Beneteau Oceanis 331 has good sail power for versatile performance with an SA/D ratio of 17.40 and 50.0 m² of sail area. The 1991 Westerly Seahawk, with an SA/D of 14.57 and 48.0 m² of canvas, offers modest sail power for its displacement. The 1998 Beneteau Oceanis 331 has the edge in terms of raw sailing performance.
For comfort and safety, the 1998 Beneteau Oceanis 331 offers a firm, racing-oriented motion (comfort ratio: 17.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.80). The 1991 Westerly Seahawk has a comfort ratio of 22.8 and a capsize screening value of 0.73. The ballast ratios are 34.1% for the 1998 Beneteau Oceanis 331 and 40.8% for the 1991 Westerly Seahawk, reflecting their respective approaches to stability.
Below deck, the 1998 Beneteau Oceanis 331 provides 6 berths in 2 cabins with 120L of water capacity and 68L of fuel. The 1991 Westerly Seahawk offers 7 berths in 3 cabins with 220L water and 114L fuel capacity.
Verdict
For cruising: The 1991 Westerly Seahawk is the better choice for comfortable cruising thanks to its higher comfort ratio, offering a gentler motion at sea that crews will appreciate on longer passages.
For racing: The 1998 Beneteau Oceanis 331 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 1991 Westerly Seahawk offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.
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Or view individual specs: 1998 Beneteau Oceanis 331 · 1991 Westerly Seahawk