2010 Beneteau Oceanis 31 vs Dufour 40 — Comparison
2010 Beneteau Oceanis 31
Dufour 40
Specifications Side by Side
| Specification | 2010 Beneteau Oceanis 31 | Dufour 40 |
|---|---|---|
| General | ||
| Manufacturer | Beneteau | Dufour |
| Year | 2010–2016 | 2007–2012 |
| Type | Sloop | Sloop |
| Country | France | France |
| Designer | Groupe Finot | Umberto Felci |
| Dimensions | ||
| LOA | 9.68 m (31.8 ft) | 12.05 m (39.5 ft) |
| LWL | 8.60 m (28.2 ft) | 10.55 m (34.6 ft) |
| Beam | 3.28 m (10.8 ft) | 3.85 m (12.6 ft) |
| Draft | 1.60 m (5.2 ft) | 1.95 m (6.4 ft) |
| Weight | ||
| Displacement | 4,300 kg (9,480 lbs) | 7,800 kg (17,196 lbs) |
| Ballast | 1,400 kg (3,086 lbs) | 2,400 kg (5,291 lbs) |
| Sailing | ||
| Sail Area | 45.5 m² (490 ft²) | 68.0 m² (732 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 18 HP | 40 HP |
| Fuel Capacity | 60 L (15.9 gal) | 160 L (42.3 gal) |
| Water Capacity | 120 L (31.7 gal) | 300 L (79.3 gal) |
| Accommodation | ||
| Berths | 6 | 8 |
| Cabins | 2 | 3 |
Performance Comparison
Detailed Comparison
The 2010 Beneteau Oceanis 31 and Dufour 40 represent two takes on sloop-rigged sailing. The 2010 Beneteau Oceanis 31 is a modern design by Beneteau from France, while the Dufour 40 is a 2000s offering from Dufour from France. The 2010 Beneteau Oceanis 31 was penned by Groupe Finot. The Dufour 40 was designed by Umberto Felci.
In terms of size, the 2010 Beneteau Oceanis 31 measures 9.68m (31.8ft) overall with a beam of 3.28m, compared to the Dufour 40 at 12.05m (39.5ft) with a 3.85m beam. The Dufour 40 is 2.37m longer than the 2010 Beneteau Oceanis 31. The Dufour 40 displaces approximately 81% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 2010 Beneteau Oceanis 31 has good sail power for versatile performance with an SA/D ratio of 17.48 and 45.5 m² of sail area. The Dufour 40, with an SA/D of 17.56 and 68.0 m² of canvas, offers good sail power for versatile performance. The Dufour 40 has the edge in terms of raw sailing performance.
For comfort and safety, the 2010 Beneteau Oceanis 31 offers a firm, racing-oriented motion (comfort ratio: 17.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.81). The Dufour 40 has a comfort ratio of 16.4 and a capsize screening value of 0.78. The ballast ratios are 32.6% for the 2010 Beneteau Oceanis 31 and 30.8% for the Dufour 40, reflecting their respective approaches to stability.
Below deck, the 2010 Beneteau Oceanis 31 provides 6 berths in 2 cabins with 120L of water capacity and 60L of fuel. The Dufour 40 offers 8 berths in 3 cabins with 300L water and 160L fuel capacity.
Verdict
For cruising: The 2010 Beneteau Oceanis 31 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 Dufour 40 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The Dufour 40 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: 2010 Beneteau Oceanis 31 · Dufour 40