1997 Nautor Swan 48 vs Dufour 40 — Comparison

1997 Nautor Swan 481997 Nautor Swan 48
VS
Dufour 40Dufour 40

Specifications Side by Side

Specification1997 Nautor Swan 48Dufour 40
General
ManufacturerNautor SwanDufour
Year1997–20042007–2012
TypeSloopSloop
CountryFinlandFrance
DesignerGerman FrersUmberto Felci
Dimensions
LOA14.63 m (48.0 ft)12.05 m (39.5 ft)
LWL12.19 m (40.0 ft)10.55 m (34.6 ft)
Beam4.24 m (13.9 ft)3.85 m (12.6 ft)
Draft2.50 m (8.2 ft)1.95 m (6.4 ft)
Weight
Displacement13,608 kg (30,000 lbs)7,800 kg (17,196 lbs)
Ballast5,443 kg (12,000 lbs)2,400 kg (5,291 lbs)
Sailing
Sail Area105.0 m² (1,130 ft²)68.0 m² (732 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine75 HP40 HP
Fuel Capacity250 L (66.0 gal)160 L (42.3 gal)
Water Capacity450 L (118.9 gal)300 L (79.3 gal)
Accommodation
Berths78
Cabins33

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1997 Nautor Swan 48
18.71
Dufour 40
17.56
Ballast Ratio (Higher = more stability)
1997 Nautor Swan 48
40.00
Dufour 40
30.77
Capsize Ratio (Lower = safer offshore)
1997 Nautor Swan 48
0.71
Dufour 40
0.78
Comfort Ratio (Higher = gentler motion)
1997 Nautor Swan 48
18.28
Dufour 40
16.44

Detailed Comparison

The 1997 Nautor Swan 48 and Dufour 40 represent two takes on sloop-rigged sailing. The 1997 Nautor Swan 48 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 48 was penned by German Frers. The Dufour 40 was designed by Umberto Felci.

In terms of size, the 1997 Nautor Swan 48 measures 14.63m (48.0ft) overall with a beam of 4.24m, compared to the Dufour 40 at 12.05m (39.5ft) with a 3.85m beam. The 1997 Nautor Swan 48 is 2.58m longer than the Dufour 40. The 1997 Nautor Swan 48 displaces approximately 74% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1997 Nautor Swan 48 has good sail power for versatile performance with an SA/D ratio of 18.71 and 105.0 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 48 has the edge in terms of raw sailing performance.

For comfort and safety, the 1997 Nautor Swan 48 offers a firm, racing-oriented motion (comfort ratio: 18.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.71). The Dufour 40 has a comfort ratio of 16.4 and a capsize screening value of 0.78. The ballast ratios are 40.0% for the 1997 Nautor Swan 48 and 30.8% for the Dufour 40, reflecting their respective approaches to stability.

Below deck, the 1997 Nautor Swan 48 provides 7 berths in 3 cabins with 450L of water capacity and 250L 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 48 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 48 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 48 · Dufour 40