Catalina 390 vs Dufour 40 — Comparison

Catalina 390
VS
Dufour 40Dufour 40

Specifications Side by Side

SpecificationCatalina 390Dufour 40
General
ManufacturerCatalinaDufour
Year1997–20032007–2012
TypeSloopSloop
CountryUSAFrance
DesignerGerry DouglasUmberto Felci
Dimensions
LOA11.89 m (39.0 ft)12.05 m (39.5 ft)
LWL10.21 m (33.5 ft)10.55 m (34.6 ft)
Beam3.76 m (12.3 ft)3.85 m (12.6 ft)
Draft1.98 m (6.5 ft)1.95 m (6.4 ft)
Weight
Displacement8,256 kg (18,201 lbs)7,800 kg (17,196 lbs)
Ballast3,266 kg (7,200 lbs)2,400 kg (5,291 lbs)
Sailing
Sail Area65.5 m² (705 ft²)68.0 m² (732 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine35 HP40 HP
Fuel Capacity114 L (30.1 gal)160 L (42.3 gal)
Water Capacity265 L (70.0 gal)300 L (79.3 gal)
Accommodation
Berths78
Cabins23

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Catalina 390
16.29
Dufour 40
17.56
Ballast Ratio (Higher = more stability)
Catalina 390
39.56
Dufour 40
30.77
Capsize Ratio (Lower = safer offshore)
Catalina 390
0.75
Dufour 40
0.78
Comfort Ratio (Higher = gentler motion)
Catalina 390
18.93
Dufour 40
16.44

Detailed Comparison

The Catalina 390 and Dufour 40 represent two takes on sloop-rigged sailing. The Catalina 390 is a 1990s design by Catalina from USA, while the Dufour 40 is a 2000s offering from Dufour from France. The Catalina 390 was penned by Gerry Douglas. The Dufour 40 was designed by Umberto Felci.

In terms of size, the Catalina 390 measures 11.89m (39.0ft) overall with a beam of 3.76m, compared to the Dufour 40 at 12.05m (39.5ft) with a 3.85m beam. The Dufour 40 is 0.16m longer than the Catalina 390. The Catalina 390 displaces approximately 6% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Catalina 390 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.29 and 65.5 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 Dufour 40 has the edge in terms of raw sailing performance.

For comfort and safety, the Catalina 390 offers a firm, racing-oriented motion (comfort ratio: 18.9) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.75). The Dufour 40 has a comfort ratio of 16.4 and a capsize screening value of 0.78. The ballast ratios are 39.6% for the Catalina 390 and 30.8% for the Dufour 40, reflecting their respective approaches to stability.

Below deck, the Catalina 390 provides 7 berths in 2 cabins with 265L of water capacity and 114L of fuel. The Dufour 40 offers 8 berths in 3 cabins with 300L water and 160L fuel capacity.

Verdict

For cruising: The Catalina 390 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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