1973 Islander 37 vs Dufour 32 Classic — Comparison

1973 Islander 371973 Islander 37
VS
Dufour 32 Classic

Specifications Side by Side

Specification1973 Islander 37Dufour 32 Classic
General
ManufacturerIslanderDufour
Year1973–19781995–2002
TypeSloopSloop
CountryUSAFrance
DesignerAlan GurneyUmberto Felci
Dimensions
LOA11.28 m (37.0 ft)9.70 m (31.8 ft)
LWL8.69 m (28.5 ft)8.40 m (27.6 ft)
Beam3.28 m (10.8 ft)3.20 m (10.5 ft)
Draft1.68 m (5.5 ft)1.70 m (5.6 ft)
Weight
Displacement6,577 kg (14,500 lbs)4,500 kg (9,921 lbs)
Ballast2,722 kg (6,001 lbs)1,400 kg (3,086 lbs)
Sailing
Sail Area54.5 m² (587 ft²)45.0 m² (484 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine22 HP18 HP
Fuel Capacity76 L (20.1 gal)80 L (21.1 gal)
Water Capacity114 L (30.1 gal)150 L (39.6 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1973 Islander 37
15.77
Dufour 32 Classic
16.78
Ballast Ratio (Higher = more stability)
1973 Islander 37
41.39
Dufour 32 Classic
31.11
Capsize Ratio (Lower = safer offshore)
1973 Islander 37
0.70
Dufour 32 Classic
0.78
Comfort Ratio (Higher = gentler motion)
1973 Islander 37
23.18
Dufour 32 Classic
19.01

Detailed Comparison

The 1973 Islander 37 and Dufour 32 Classic represent two takes on sloop-rigged sailing. The 1973 Islander 37 is a 1970s design by Islander from USA, while the Dufour 32 Classic is a 1990s offering from Dufour from France. The 1973 Islander 37 was penned by Alan Gurney. The Dufour 32 Classic was designed by Umberto Felci.

In terms of size, the 1973 Islander 37 measures 11.28m (37.0ft) overall with a beam of 3.28m, compared to the Dufour 32 Classic at 9.70m (31.8ft) with a 3.20m beam. The 1973 Islander 37 is 1.58m longer than the Dufour 32 Classic. The 1973 Islander 37 displaces approximately 46% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1973 Islander 37 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.77 and 54.5 m² of sail area. The Dufour 32 Classic, with an SA/D of 16.78 and 45.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Dufour 32 Classic has the edge in terms of raw sailing performance.

For comfort and safety, the 1973 Islander 37 offers a moderate motion comfort level (comfort ratio: 23.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.70). The Dufour 32 Classic has a comfort ratio of 19.0 and a capsize screening value of 0.78. The ballast ratios are 41.4% for the 1973 Islander 37 and 31.1% for the Dufour 32 Classic, reflecting their respective approaches to stability.

Below deck, the 1973 Islander 37 provides 6 berths in 2 cabins with 114L of water capacity and 76L of fuel. The Dufour 32 Classic offers 6 berths in 2 cabins with 150L water and 80L fuel capacity.

Verdict

For cruising: The 1973 Islander 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 Dufour 32 Classic 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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Or view individual specs: 1973 Islander 37 · Dufour 32 Classic