1998 Beneteau Oceanis 331 vs 1983 Irwin 32 — Comparison

1998 Beneteau Oceanis 3311998 Beneteau Oceanis 331
VS
1983 Irwin 32

Specifications Side by Side

Specification1998 Beneteau Oceanis 3311983 Irwin 32
General
ManufacturerBeneteauIrwin
Year1998–20041983–1988
TypeSloopSloop
CountryFranceUSA
DesignerGroupe FinotTed Irwin
Dimensions
LOA10.14 m (33.3 ft)9.75 m (32.0 ft)
LWL8.84 m (29.0 ft)8.08 m (26.5 ft)
Beam3.40 m (11.2 ft)3.20 m (10.5 ft)
Draft1.65 m (5.4 ft)1.52 m (5.0 ft)
Weight
Displacement4,990 kg (11,001 lbs)4,990 kg (11,001 lbs)
Ballast1,700 kg (3,748 lbs)2,041 kg (4,500 lbs)
Sailing
Sail Area50.0 m² (538 ft²)41.0 m² (441 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP18 HP
Fuel Capacity68 L (18.0 gal)68 L (18.0 gal)
Water Capacity120 L (31.7 gal)114 L (30.1 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1998 Beneteau Oceanis 331
17.40
1983 Irwin 32
14.27
Ballast Ratio (Higher = more stability)
1998 Beneteau Oceanis 331
34.07
1983 Irwin 32
40.90
Capsize Ratio (Lower = safer offshore)
1998 Beneteau Oceanis 331
0.80
1983 Irwin 32
0.75
Comfort Ratio (Higher = gentler motion)
1998 Beneteau Oceanis 331
17.63
1983 Irwin 32
22.12

Detailed Comparison

The 1998 Beneteau Oceanis 331 and 1983 Irwin 32 represent two takes on sloop-rigged sailing. The 1998 Beneteau Oceanis 331 is a 1990s design by Beneteau from France, while the 1983 Irwin 32 is a 1980s offering from Irwin from USA. The 1998 Beneteau Oceanis 331 was penned by Groupe Finot. The 1983 Irwin 32 was designed by Ted Irwin.

In terms of size, the 1998 Beneteau Oceanis 331 measures 10.14m (33.3ft) overall with a beam of 3.40m, compared to the 1983 Irwin 32 at 9.75m (32.0ft) with a 3.20m beam. The 1998 Beneteau Oceanis 331 is 0.39m longer than the 1983 Irwin 32.

Looking at performance, the 1998 Beneteau Oceanis 331 has good sail power for versatile performance with an SA/D ratio of 17.40 and 50.0 m² of sail area. The 1983 Irwin 32, with an SA/D of 14.27 and 41.0 m² of canvas, offers modest sail power for its displacement. The 1998 Beneteau Oceanis 331 has the edge in terms of raw sailing performance.

For comfort and safety, the 1998 Beneteau Oceanis 331 offers a firm, racing-oriented motion (comfort ratio: 17.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.80). The 1983 Irwin 32 has a comfort ratio of 22.1 and a capsize screening value of 0.75. The ballast ratios are 34.1% for the 1998 Beneteau Oceanis 331 and 40.9% for the 1983 Irwin 32, reflecting their respective approaches to stability.

Below deck, the 1998 Beneteau Oceanis 331 provides 6 berths in 2 cabins with 120L of water capacity and 68L of fuel. The 1983 Irwin 32 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.

Verdict

For cruising: The 1983 Irwin 32 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 1998 Beneteau Oceanis 331 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: 1998 Beneteau Oceanis 331 · 1983 Irwin 32