2009 Beneteau Oceanis 34 vs 1983 Pearson 31 — Comparison
1983 Pearson 31
Specifications Side by Side
| Specification | 2009 Beneteau Oceanis 34 | 1983 Pearson 31 |
|---|---|---|
| General | ||
| Manufacturer | Beneteau | Pearson |
| Year | 2009–2013 | 1983–1990 |
| Type | Sloop | Sloop |
| Country | France | USA |
| Designer | Finot-Conq | William Shaw |
| Dimensions | ||
| LOA | 10.44 m (34.3 ft) | 9.45 m (31.0 ft) |
| LWL | 9.20 m (30.2 ft) | 7.77 m (25.5 ft) |
| Beam | 3.42 m (11.2 ft) | 3.10 m (10.2 ft) |
| Draft | 1.80 m (5.9 ft) | 1.52 m (5.0 ft) |
| Weight | ||
| Displacement | 5,550 kg (12,236 lbs) | 4,309 kg (9,500 lbs) |
| Ballast | 1,600 kg (3,527 lbs) | 1,814 kg (3,999 lbs) |
| Sailing | ||
| Sail Area | 51.0 m² (549 ft²) | 40.0 m² (431 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 21 HP | 18 HP |
| Fuel Capacity | 80 L (21.1 gal) | 68 L (18.0 gal) |
| Water Capacity | 150 L (39.6 gal) | 114 L (30.1 gal) |
| Accommodation | ||
| Berths | 6 | 6 |
| Cabins | 2 | 2 |
Performance Comparison
Detailed Comparison
The 2009 Beneteau Oceanis 34 and 1983 Pearson 31 represent two takes on sloop-rigged sailing. The 2009 Beneteau Oceanis 34 is a 2000s design by Beneteau from France, while the 1983 Pearson 31 is a 1980s offering from Pearson from USA. The 2009 Beneteau Oceanis 34 was penned by Finot-Conq. The 1983 Pearson 31 was designed by William Shaw.
In terms of size, the 2009 Beneteau Oceanis 34 measures 10.44m (34.3ft) overall with a beam of 3.42m, compared to the 1983 Pearson 31 at 9.45m (31.0ft) with a 3.10m beam. The 2009 Beneteau Oceanis 34 is 0.99m longer than the 1983 Pearson 31. The 2009 Beneteau Oceanis 34 displaces approximately 29% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 2009 Beneteau Oceanis 34 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.53 and 51.0 m² of sail area. The 1983 Pearson 31, with an SA/D of 15.35 and 40.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 2009 Beneteau Oceanis 34 has the edge in terms of raw sailing performance.
For comfort and safety, the 2009 Beneteau Oceanis 34 offers a firm, racing-oriented motion (comfort ratio: 18.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1983 Pearson 31 has a comfort ratio of 21.4 and a capsize screening value of 0.76. The ballast ratios are 28.8% for the 2009 Beneteau Oceanis 34 and 42.1% for the 1983 Pearson 31, reflecting their respective approaches to stability.
Below deck, the 2009 Beneteau Oceanis 34 provides 6 berths in 2 cabins with 150L of water capacity and 80L of fuel. The 1983 Pearson 31 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.
Verdict
For cruising: The 1983 Pearson 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 2009 Beneteau Oceanis 34 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: 2009 Beneteau Oceanis 34 · 1983 Pearson 31