Dufour 40 vs 2002 X-Yachts X-37 — Comparison

Dufour 40Dufour 40
VS
2002 X-Yachts X-37

Specifications Side by Side

SpecificationDufour 402002 X-Yachts X-37
General
ManufacturerDufourX-Yachts
Year2007–20122002–2008
TypeSloopSloop
CountryFranceDenmark
DesignerUmberto FelciNiels Jeppesen
Dimensions
LOA12.05 m (39.5 ft)11.15 m (36.6 ft)
LWL10.55 m (34.6 ft)9.75 m (32.0 ft)
Beam3.85 m (12.6 ft)3.42 m (11.2 ft)
Draft1.95 m (6.4 ft)2.15 m (7.1 ft)
Weight
Displacement7,800 kg (17,196 lbs)6,500 kg (14,330 lbs)
Ballast2,400 kg (5,291 lbs)2,500 kg (5,512 lbs)
Sailing
Sail Area68.0 m² (732 ft²)62.0 m² (667 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine40 HP28 HP
Fuel Capacity160 L (42.3 gal)80 L (21.1 gal)
Water Capacity300 L (79.3 gal)150 L (39.6 gal)
Accommodation
Berths86
Cabins32

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Dufour 40
17.56
2002 X-Yachts X-37
18.09
Ballast Ratio (Higher = more stability)
Dufour 40
30.77
2002 X-Yachts X-37
38.46
Capsize Ratio (Lower = safer offshore)
Dufour 40
0.78
2002 X-Yachts X-37
0.73
Comfort Ratio (Higher = gentler motion)
Dufour 40
16.44
2002 X-Yachts X-37
18.77

Detailed Comparison

The Dufour 40 and 2002 X-Yachts X-37 represent two takes on sloop-rigged sailing. The Dufour 40 is a 2000s design by Dufour from France, while the 2002 X-Yachts X-37 is a 2000s offering from X-Yachts from Denmark. The Dufour 40 was penned by Umberto Felci. The 2002 X-Yachts X-37 was designed by Niels Jeppesen.

In terms of size, the Dufour 40 measures 12.05m (39.5ft) overall with a beam of 3.85m, compared to the 2002 X-Yachts X-37 at 11.15m (36.6ft) with a 3.42m beam. The Dufour 40 is 0.90m longer than the 2002 X-Yachts X-37. The Dufour 40 displaces approximately 20% 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 2002 X-Yachts X-37, with an SA/D of 18.09 and 62.0 m² of canvas, offers good sail power for versatile performance. The 2002 X-Yachts X-37 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 2002 X-Yachts X-37 has a comfort ratio of 18.8 and a capsize screening value of 0.73. The ballast ratios are 30.8% for the Dufour 40 and 38.5% for the 2002 X-Yachts X-37, 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 2002 X-Yachts X-37 offers 6 berths in 2 cabins with 150L water and 80L fuel capacity.

Verdict

For cruising: The 2002 X-Yachts X-37 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 2002 X-Yachts X-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 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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