Dufour 40 vs Dufour 44 — Comparison

Dufour 40Dufour 40
VS
Dufour 44Dufour 44

Specifications Side by Side

SpecificationDufour 40Dufour 44
General
ManufacturerDufourDufour
Year2007–20122005–2010
TypeSloopSloop
CountryFranceFrance
DesignerUmberto FelciUmberto Felci
Dimensions
LOA12.05 m (39.5 ft)13.20 m (43.3 ft)
LWL10.55 m (34.6 ft)11.55 m (37.9 ft)
Beam3.85 m (12.6 ft)4.10 m (13.5 ft)
Draft1.95 m (6.4 ft)2.10 m (6.9 ft)
Weight
Displacement7,800 kg (17,196 lbs)9,500 kg (20,944 lbs)
Ballast2,400 kg (5,291 lbs)3,000 kg (6,614 lbs)
Sailing
Sail Area68.0 m² (732 ft²)82.0 m² (883 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine40 HP55 HP
Fuel Capacity160 L (42.3 gal)200 L (52.8 gal)
Water Capacity300 L (79.3 gal)350 L (92.5 gal)
Accommodation
Berths88
Cabins33

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Dufour 40
17.56
Dufour 44
18.57
Ballast Ratio (Higher = more stability)
Dufour 40
30.77
Dufour 44
31.58
Capsize Ratio (Lower = safer offshore)
Dufour 40
0.78
Dufour 44
0.78
Comfort Ratio (Higher = gentler motion)
Dufour 40
16.44
Dufour 44
15.36

Detailed Comparison

The Dufour 40 and Dufour 44 represent two takes on sloop-rigged sailing. The Dufour 40 is a 2000s design by Dufour from France, while the Dufour 44 is a 2000s offering from Dufour from France. The Dufour 40 was penned by Umberto Felci. The Dufour 44 was designed by Umberto Felci.

In terms of size, the Dufour 40 measures 12.05m (39.5ft) overall with a beam of 3.85m, compared to the Dufour 44 at 13.20m (43.3ft) with a 4.10m beam. The Dufour 44 is 1.15m longer than the Dufour 40. The Dufour 44 displaces approximately 22% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Dufour 40 has good sail power for versatile performance with an SA/D ratio of 17.56 and 68.0 m² of sail area. The Dufour 44, with an SA/D of 18.57 and 82.0 m² of canvas, offers good sail power for versatile performance. The Dufour 44 has the edge in terms of raw sailing performance.

For comfort and safety, the Dufour 40 offers a firm, racing-oriented motion (comfort ratio: 16.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The Dufour 44 has a comfort ratio of 15.4 and a capsize screening value of 0.78. The ballast ratios are 30.8% for the Dufour 40 and 31.6% for the Dufour 44, reflecting their respective approaches to stability.

Below deck, the Dufour 40 provides 8 berths in 3 cabins with 300L of water capacity and 160L of fuel. The Dufour 44 offers 8 berths in 3 cabins with 350L water and 200L fuel capacity.

Verdict

For cruising: The Dufour 40 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 44 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: Both boats provide similar accommodation, making either a viable choice for living aboard. Consider water and fuel capacity for extended stays away from marinas.

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