Jeanneau Sun Odyssey 39i vs Dufour 470 — Comparison

Jeanneau Sun Odyssey 39i
VS
Dufour 470Dufour 470

Specifications Side by Side

SpecificationJeanneau Sun Odyssey 39iDufour 470
General
ManufacturerJeanneauDufour
Year2007–20132018
TypeSloopSloop
CountryFranceFrance
DesignerPhilippe BriandFelci Yacht Design
Dimensions
LOA12.04 m (39.5 ft)14.23 m (46.7 ft)
LWL10.50 m (34.4 ft)12.80 m (42.0 ft)
Beam3.85 m (12.6 ft)4.39 m (14.4 ft)
Draft1.95 m (6.4 ft)2.25 m (7.4 ft)
Weight
Displacement7,800 kg (17,196 lbs)11,200 kg (24,692 lbs)
Ballast2,350 kg (5,181 lbs)3,500 kg (7,716 lbs)
Sailing
Sail Area68.0 m² (732 ft²)94.0 m² (1,012 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine29 HP57 HP
Fuel Capacity160 L (42.3 gal)220 L (58.1 gal)
Water Capacity300 L (79.3 gal)440 L (116.2 gal)
Accommodation
Berths810
Cabins34

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Jeanneau Sun Odyssey 39i
17.56
Dufour 470
19.07
Ballast Ratio (Higher = more stability)
Jeanneau Sun Odyssey 39i
30.13
Dufour 470
31.25
Capsize Ratio (Lower = safer offshore)
Jeanneau Sun Odyssey 39i
0.78
Dufour 470
0.79
Comfort Ratio (Higher = gentler motion)
Jeanneau Sun Odyssey 39i
16.56
Dufour 470
13.70

Detailed Comparison

The Jeanneau Sun Odyssey 39i and Dufour 470 represent two takes on sloop-rigged sailing. The Jeanneau Sun Odyssey 39i is a 2000s design by Jeanneau from France, while the Dufour 470 is a modern offering from Dufour from France. The Jeanneau Sun Odyssey 39i was penned by Philippe Briand. The Dufour 470 was designed by Felci Yacht Design.

In terms of size, the Jeanneau Sun Odyssey 39i measures 12.04m (39.5ft) overall with a beam of 3.85m, compared to the Dufour 470 at 14.23m (46.7ft) with a 4.39m beam. The Dufour 470 is 2.19m longer than the Jeanneau Sun Odyssey 39i. The Dufour 470 displaces approximately 44% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Jeanneau Sun Odyssey 39i has good sail power for versatile performance with an SA/D ratio of 17.56 and 68.0 m² of sail area. The Dufour 470, with an SA/D of 19.07 and 94.0 m² of canvas, offers good sail power for versatile performance. The Dufour 470 has the edge in terms of raw sailing performance.

For comfort and safety, the Jeanneau Sun Odyssey 39i offers a firm, racing-oriented motion (comfort ratio: 16.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The Dufour 470 has a comfort ratio of 13.7 and a capsize screening value of 0.79. The ballast ratios are 30.1% for the Jeanneau Sun Odyssey 39i and 31.3% for the Dufour 470, reflecting their respective approaches to stability.

Below deck, the Jeanneau Sun Odyssey 39i provides 8 berths in 3 cabins with 300L of water capacity and 160L of fuel. The Dufour 470 offers 10 berths in 4 cabins with 440L water and 220L fuel capacity.

Verdict

For cruising: The Jeanneau Sun Odyssey 39i 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 470 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 470 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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