1997 Nautor Swan 40 vs Dufour 40 — Comparison
Dufour 40
Specifications Side by Side
| Specification | 1997 Nautor Swan 40 | Dufour 40 |
|---|---|---|
| General | ||
| Manufacturer | Nautor Swan | Dufour |
| Year | 1997–2002 | 2007–2012 |
| Type | Sloop | Sloop |
| Country | Finland | France |
| Designer | German Frers | Umberto Felci |
| Dimensions | ||
| LOA | 12.30 m (40.4 ft) | 12.05 m (39.5 ft) |
| LWL | 10.36 m (34.0 ft) | 10.55 m (34.6 ft) |
| Beam | 3.85 m (12.6 ft) | 3.85 m (12.6 ft) |
| Draft | 2.20 m (7.2 ft) | 1.95 m (6.4 ft) |
| Weight | ||
| Displacement | 8,500 kg (18,739 lbs) | 7,800 kg (17,196 lbs) |
| Ballast | 3,600 kg (7,937 lbs) | 2,400 kg (5,291 lbs) |
| Sailing | ||
| Sail Area | 73.5 m² (791 ft²) | 68.0 m² (732 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 40 HP | 40 HP |
| Fuel Capacity | 150 L (39.6 gal) | 160 L (42.3 gal) |
| Water Capacity | 250 L (66.0 gal) | 300 L (79.3 gal) |
| Accommodation | ||
| Berths | 6 | 8 |
| Cabins | 2 | 3 |
Performance Comparison
Detailed Comparison
The 1997 Nautor Swan 40 and Dufour 40 represent two takes on sloop-rigged sailing. The 1997 Nautor Swan 40 is a 1990s design by Nautor Swan from Finland, while the Dufour 40 is a 2000s offering from Dufour from France. The 1997 Nautor Swan 40 was penned by German Frers. The Dufour 40 was designed by Umberto Felci.
In terms of size, the 1997 Nautor Swan 40 measures 12.30m (40.4ft) overall with a beam of 3.85m, compared to the Dufour 40 at 12.05m (39.5ft) with a 3.85m beam. The 1997 Nautor Swan 40 is 0.25m longer than the Dufour 40. The 1997 Nautor Swan 40 displaces approximately 9% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1997 Nautor Swan 40 has good sail power for versatile performance with an SA/D ratio of 17.93 and 73.5 m² of sail area. The Dufour 40, with an SA/D of 17.56 and 68.0 m² of canvas, offers good sail power for versatile performance. The 1997 Nautor Swan 40 has the edge in terms of raw sailing performance.
For comfort and safety, the 1997 Nautor Swan 40 offers a firm, racing-oriented motion (comfort ratio: 18.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.76). The Dufour 40 has a comfort ratio of 16.4 and a capsize screening value of 0.78. The ballast ratios are 42.4% for the 1997 Nautor Swan 40 and 30.8% for the Dufour 40, reflecting their respective approaches to stability.
Below deck, the 1997 Nautor Swan 40 provides 6 berths in 2 cabins with 250L of water capacity and 150L of fuel. The Dufour 40 offers 8 berths in 3 cabins with 300L water and 160L fuel capacity.
Verdict
For cruising: The 1997 Nautor Swan 40 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 1997 Nautor Swan 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: 1997 Nautor Swan 40 · Dufour 40