Dufour 310 Grand Large vs 1999 Jeanneau Sun Odyssey 37 — Comparison
Specifications Side by Side
| Specification | Dufour 310 Grand Large | 1999 Jeanneau Sun Odyssey 37 |
|---|---|---|
| General | ||
| Manufacturer | Dufour | Jeanneau |
| Year | 2015–2020 | 1999–2003 |
| Type | Sloop | Sloop |
| Country | France | France |
| Designer | Felci Yacht Design | Daniel Andrieu |
| Dimensions | ||
| LOA | 9.43 m (30.9 ft) | 11.17 m (36.6 ft) |
| LWL | 8.45 m (27.7 ft) | 9.70 m (31.8 ft) |
| Beam | 3.13 m (10.3 ft) | 3.66 m (12.0 ft) |
| Draft | 1.60 m (5.2 ft) | 1.75 m (5.7 ft) |
| Weight | ||
| Displacement | 4,150 kg (9,149 lbs) | 6,500 kg (14,330 lbs) |
| Ballast | 1,230 kg (2,712 lbs) | 2,200 kg (4,850 lbs) |
| Sailing | ||
| Sail Area | 40.0 m² (431 ft²) | 57.0 m² (614 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 15 HP | 29 HP |
| Fuel Capacity | 80 L (21.1 gal) | 100 L (26.4 gal) |
| Water Capacity | 120 L (31.7 gal) | 200 L (52.8 gal) |
| Accommodation | ||
| Berths | 4 | 7 |
| Cabins | 1 | 2 |
Performance Comparison
Detailed Comparison
The Dufour 310 Grand Large and 1999 Jeanneau Sun Odyssey 37 represent two takes on sloop-rigged sailing. The Dufour 310 Grand Large is a modern design by Dufour from France, while the 1999 Jeanneau Sun Odyssey 37 is a 1990s offering from Jeanneau from France. The Dufour 310 Grand Large was penned by Felci Yacht Design. The 1999 Jeanneau Sun Odyssey 37 was designed by Daniel Andrieu.
In terms of size, the Dufour 310 Grand Large measures 9.43m (30.9ft) overall with a beam of 3.13m, compared to the 1999 Jeanneau Sun Odyssey 37 at 11.17m (36.6ft) with a 3.66m beam. The 1999 Jeanneau Sun Odyssey 37 is 1.74m longer than the Dufour 310 Grand Large. The 1999 Jeanneau Sun Odyssey 37 displaces approximately 57% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the Dufour 310 Grand Large has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.74 and 40.0 m² of sail area. The 1999 Jeanneau Sun Odyssey 37, with an SA/D of 16.63 and 57.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1999 Jeanneau Sun Odyssey 37 has the edge in terms of raw sailing performance.
For comfort and safety, the Dufour 310 Grand Large offers a firm, racing-oriented motion (comfort ratio: 18.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The 1999 Jeanneau Sun Odyssey 37 has a comfort ratio of 17.3 and a capsize screening value of 0.79. The ballast ratios are 29.6% for the Dufour 310 Grand Large and 33.9% for the 1999 Jeanneau Sun Odyssey 37, reflecting their respective approaches to stability.
Below deck, the Dufour 310 Grand Large provides 4 berths in 1 cabin with 120L of water capacity and 80L of fuel. The 1999 Jeanneau Sun Odyssey 37 offers 7 berths in 2 cabins with 200L water and 100L fuel capacity.
Verdict
For cruising: The Dufour 310 Grand Large 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 1999 Jeanneau Sun Odyssey 37 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 1999 Jeanneau Sun Odyssey 37 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: Dufour 310 Grand Large · 1999 Jeanneau Sun Odyssey 37