Dufour 385 Grand Large vs 1972 Contest 31 — Comparison

Dufour 385 Grand Large
VS
1972 Contest 311972 Contest 31

Specifications Side by Side

SpecificationDufour 385 Grand Large1972 Contest 31
General
ManufacturerDufourContest
Year2006–20101972–1982
TypeSloopSloop
CountryFranceNetherlands
DesignerUmberto FelciDick Zaal
Dimensions
LOA11.53 m (37.8 ft)9.45 m (31.0 ft)
LWL10.10 m (33.1 ft)7.62 m (25.0 ft)
Beam3.68 m (12.1 ft)3.05 m (10.0 ft)
Draft1.90 m (6.2 ft)1.52 m (5.0 ft)
Weight
Displacement7,100 kg (15,653 lbs)4,536 kg (10,000 lbs)
Ballast2,150 kg (4,740 lbs)1,814 kg (3,999 lbs)
Sailing
Sail Area62.0 m² (667 ft²)39.5 m² (425 ft²)
Hull MaterialFiberglassSteel
Keel TypeFinFin
Engine & Tanks
Engine29 HP18 HP
Fuel Capacity130 L (34.3 gal)80 L (21.1 gal)
Water Capacity250 L (66.0 gal)150 L (39.6 gal)
Accommodation
Berths65
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Dufour 385 Grand Large
17.05
1972 Contest 31
14.65
Ballast Ratio (Higher = more stability)
Dufour 385 Grand Large
30.28
1972 Contest 31
39.99
Capsize Ratio (Lower = safer offshore)
Dufour 385 Grand Large
0.77
1972 Contest 31
0.74
Comfort Ratio (Higher = gentler motion)
Dufour 385 Grand Large
17.35
1972 Contest 31
23.65

Detailed Comparison

The Dufour 385 Grand Large and 1972 Contest 31 represent two takes on sloop-rigged sailing. The Dufour 385 Grand Large is a 2000s design by Dufour from France, while the 1972 Contest 31 is a 1970s offering from Contest from Netherlands. The Dufour 385 Grand Large was penned by Umberto Felci. The 1972 Contest 31 was designed by Dick Zaal.

In terms of size, the Dufour 385 Grand Large measures 11.53m (37.8ft) overall with a beam of 3.68m, compared to the 1972 Contest 31 at 9.45m (31.0ft) with a 3.05m beam. The Dufour 385 Grand Large is 2.08m longer than the 1972 Contest 31. The Dufour 385 Grand Large displaces approximately 57% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Dufour 385 Grand Large has good sail power for versatile performance with an SA/D ratio of 17.05 and 62.0 m² of sail area. The 1972 Contest 31, with an SA/D of 14.65 and 39.5 m² of canvas, offers modest sail power for its displacement. The Dufour 385 Grand Large has the edge in terms of raw sailing performance.

For comfort and safety, the Dufour 385 Grand Large offers a firm, racing-oriented motion (comfort ratio: 17.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1972 Contest 31 has a comfort ratio of 23.7 and a capsize screening value of 0.74. The ballast ratios are 30.3% for the Dufour 385 Grand Large and 40.0% for the 1972 Contest 31, reflecting their respective approaches to stability.

Below deck, the Dufour 385 Grand Large provides 6 berths in 2 cabins with 250L of water capacity and 130L of fuel. The 1972 Contest 31 offers 5 berths in 2 cabins with 150L water and 80L fuel capacity.

Verdict

For cruising: The 1972 Contest 31 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 385 Grand Large 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 385 Grand Large 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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