Dufour 40 vs 2013 Oyster 485 — Comparison
Dufour 40
Specifications Side by Side
| Specification | Dufour 40 | 2013 Oyster 485 |
|---|---|---|
| General | ||
| Manufacturer | Dufour | Oyster |
| Year | 2007–2012 | 2013–2020 |
| Type | Sloop | Sloop |
| Country | France | United Kingdom |
| Designer | Umberto Felci | Rob Humphreys |
| Dimensions | ||
| LOA | 12.05 m (39.5 ft) | 14.85 m (48.7 ft) |
| LWL | 10.55 m (34.6 ft) | 12.70 m (41.7 ft) |
| Beam | 3.85 m (12.6 ft) | 4.38 m (14.4 ft) |
| Draft | 1.95 m (6.4 ft) | 2.15 m (7.1 ft) |
| Weight | ||
| Displacement | 7,800 kg (17,196 lbs) | 14,200 kg (31,306 lbs) |
| Ballast | 2,400 kg (5,291 lbs) | 5,400 kg (11,905 lbs) |
| Sailing | ||
| Sail Area | 68.0 m² (732 ft²) | 98.0 m² (1,055 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 40 HP | 110 HP |
| Fuel Capacity | 160 L (42.3 gal) | 300 L (79.3 gal) |
| Water Capacity | 300 L (79.3 gal) | 550 L (145.3 gal) |
| Accommodation | ||
| Berths | 8 | 7 |
| Cabins | 3 | 3 |
Performance Comparison
Detailed Comparison
The Dufour 40 and 2013 Oyster 485 represent two takes on sloop-rigged sailing. The Dufour 40 is a 2000s design by Dufour from France, while the 2013 Oyster 485 is a modern offering from Oyster from United Kingdom. The Dufour 40 was penned by Umberto Felci. The 2013 Oyster 485 was designed by Rob Humphreys.
In terms of size, the Dufour 40 measures 12.05m (39.5ft) overall with a beam of 3.85m, compared to the 2013 Oyster 485 at 14.85m (48.7ft) with a 4.38m beam. The 2013 Oyster 485 is 2.80m longer than the Dufour 40. The 2013 Oyster 485 displaces approximately 82% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the Dufour 40 has good sail power for versatile performance with an SA/D ratio of 17.56 and 68.0 m² of sail area. The 2013 Oyster 485, with an SA/D of 16.98 and 98.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Dufour 40 has the edge in terms of raw sailing performance.
For comfort and safety, the Dufour 40 offers a firm, racing-oriented motion (comfort ratio: 16.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The 2013 Oyster 485 has a comfort ratio of 17.1 and a capsize screening value of 0.72. The ballast ratios are 30.8% for the Dufour 40 and 38.0% for the 2013 Oyster 485, reflecting their respective approaches to stability.
Below deck, the Dufour 40 provides 8 berths in 3 cabins with 300L of water capacity and 160L of fuel. The 2013 Oyster 485 offers 7 berths in 3 cabins with 550L water and 300L fuel capacity.
Verdict
For cruising: The 2013 Oyster 485 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 40 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 40 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: Dufour 40 · 2013 Oyster 485