2010 Beneteau Oceanis 31 vs 1988 Najad 331 — Comparison

2010 Beneteau Oceanis 312010 Beneteau Oceanis 31
VS
1988 Najad 331

Specifications Side by Side

Specification2010 Beneteau Oceanis 311988 Najad 331
General
ManufacturerBeneteauNajad
Year2010–20161988–1998
TypeSloopSloop
CountryFranceSweden
DesignerGroupe FinotJudel/Vrolijk
Dimensions
LOA9.68 m (31.8 ft)10.06 m (33.0 ft)
LWL8.60 m (28.2 ft)8.38 m (27.5 ft)
Beam3.28 m (10.8 ft)3.18 m (10.4 ft)
Draft1.60 m (5.2 ft)1.65 m (5.4 ft)
Weight
Displacement4,300 kg (9,480 lbs)4,900 kg (10,803 lbs)
Ballast1,400 kg (3,086 lbs)2,000 kg (4,409 lbs)
Sailing
Sail Area45.5 m² (490 ft²)43.0 m² (463 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP21 HP
Fuel Capacity60 L (15.9 gal)80 L (21.1 gal)
Water Capacity120 L (31.7 gal)140 L (37.0 gal)
Accommodation
Berths65
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2010 Beneteau Oceanis 31
17.48
1988 Najad 331
15.15
Ballast Ratio (Higher = more stability)
2010 Beneteau Oceanis 31
32.56
1988 Najad 331
40.82
Capsize Ratio (Lower = safer offshore)
2010 Beneteau Oceanis 31
0.81
1988 Najad 331
0.75
Comfort Ratio (Higher = gentler motion)
2010 Beneteau Oceanis 31
17.05
1988 Najad 331
20.43

Detailed Comparison

The 2010 Beneteau Oceanis 31 and 1988 Najad 331 represent two takes on sloop-rigged sailing. The 2010 Beneteau Oceanis 31 is a modern design by Beneteau from France, while the 1988 Najad 331 is a 1980s offering from Najad from Sweden. The 2010 Beneteau Oceanis 31 was penned by Groupe Finot. The 1988 Najad 331 was designed by Judel/Vrolijk.

In terms of size, the 2010 Beneteau Oceanis 31 measures 9.68m (31.8ft) overall with a beam of 3.28m, compared to the 1988 Najad 331 at 10.06m (33.0ft) with a 3.18m beam. The 1988 Najad 331 is 0.38m longer than the 2010 Beneteau Oceanis 31. The 1988 Najad 331 displaces approximately 14% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2010 Beneteau Oceanis 31 has good sail power for versatile performance with an SA/D ratio of 17.48 and 45.5 m² of sail area. The 1988 Najad 331, with an SA/D of 15.15 and 43.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 2010 Beneteau Oceanis 31 has the edge in terms of raw sailing performance.

For comfort and safety, the 2010 Beneteau Oceanis 31 offers a firm, racing-oriented motion (comfort ratio: 17.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.81). The 1988 Najad 331 has a comfort ratio of 20.4 and a capsize screening value of 0.75. The ballast ratios are 32.6% for the 2010 Beneteau Oceanis 31 and 40.8% for the 1988 Najad 331, reflecting their respective approaches to stability.

Below deck, the 2010 Beneteau Oceanis 31 provides 6 berths in 2 cabins with 120L of water capacity and 60L of fuel. The 1988 Najad 331 offers 5 berths in 2 cabins with 140L water and 80L fuel capacity.

Verdict

For cruising: The 1988 Najad 331 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 2010 Beneteau Oceanis 31 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 2010 Beneteau Oceanis 31 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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Or view individual specs: 2010 Beneteau Oceanis 31 · 1988 Najad 331