2015 Jeanneau Sun Odyssey 349 vs Dufour 310 Grand Large — Comparison
2015 Jeanneau Sun Odyssey 349
Dufour 310 Grand Large
Specifications Side by Side
| Specification | 2015 Jeanneau Sun Odyssey 349 | Dufour 310 Grand Large |
|---|---|---|
| General | ||
| Manufacturer | Jeanneau | Dufour |
| Year | 2015–2019 | 2015–2020 |
| Type | Sloop | Sloop |
| Country | France | France |
| Designer | Marc Lombard | Felci Yacht Design |
| Dimensions | ||
| LOA | 10.34 m (33.9 ft) | 9.43 m (30.9 ft) |
| LWL | 9.35 m (30.7 ft) | 8.45 m (27.7 ft) |
| Beam | 3.44 m (11.3 ft) | 3.13 m (10.3 ft) |
| Draft | 1.98 m (6.5 ft) | 1.60 m (5.2 ft) |
| Weight | ||
| Displacement | 5,500 kg (12,125 lbs) | 4,150 kg (9,149 lbs) |
| Ballast | 1,600 kg (3,527 lbs) | 1,230 kg (2,712 lbs) |
| Sailing | ||
| Sail Area | 56.0 m² (603 ft²) | 40.0 m² (431 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 21 HP | 15 HP |
| Fuel Capacity | 80 L (21.1 gal) | 80 L (21.1 gal) |
| Water Capacity | 150 L (39.6 gal) | 120 L (31.7 gal) |
| Accommodation | ||
| Berths | 6 | 4 |
| Cabins | 2 | 1 |
Performance Comparison
Detailed Comparison
The 2015 Jeanneau Sun Odyssey 349 and Dufour 310 Grand Large represent two takes on sloop-rigged sailing. The 2015 Jeanneau Sun Odyssey 349 is a modern design by Jeanneau from France, while the Dufour 310 Grand Large is a modern offering from Dufour from France. The 2015 Jeanneau Sun Odyssey 349 was penned by Marc Lombard. The Dufour 310 Grand Large was designed by Felci Yacht Design.
In terms of size, the 2015 Jeanneau Sun Odyssey 349 measures 10.34m (33.9ft) overall with a beam of 3.44m, compared to the Dufour 310 Grand Large at 9.43m (30.9ft) with a 3.13m beam. The 2015 Jeanneau Sun Odyssey 349 is 0.91m longer than the Dufour 310 Grand Large. The 2015 Jeanneau Sun Odyssey 349 displaces approximately 33% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 2015 Jeanneau Sun Odyssey 349 has good sail power for versatile performance with an SA/D ratio of 18.26 and 56.0 m² of sail area. The Dufour 310 Grand Large, with an SA/D of 15.74 and 40.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 2015 Jeanneau Sun Odyssey 349 has the edge in terms of raw sailing performance.
For comfort and safety, the 2015 Jeanneau Sun Odyssey 349 offers a firm, racing-oriented motion (comfort ratio: 17.5) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The Dufour 310 Grand Large has a comfort ratio of 18.3 and a capsize screening value of 0.78. The ballast ratios are 29.1% for the 2015 Jeanneau Sun Odyssey 349 and 29.6% for the Dufour 310 Grand Large, reflecting their respective approaches to stability.
Below deck, the 2015 Jeanneau Sun Odyssey 349 provides 6 berths in 2 cabins with 150L of water capacity and 80L of fuel. The Dufour 310 Grand Large offers 4 berths in 1 cabin with 120L water and 80L 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 2015 Jeanneau Sun Odyssey 349 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 2015 Jeanneau Sun Odyssey 349 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.