Catalina 387 vs Dufour 310 Grand Large — Comparison

Catalina 387Catalina 387
VS
Dufour 310 Grand Large

Specifications Side by Side

SpecificationCatalina 387Dufour 310 Grand Large
General
ManufacturerCatalinaDufour
Year1996–20032015–2020
TypeSloopSloop
CountryUSAFrance
DesignerGerry DouglasFelci Yacht Design
Dimensions
LOA11.58 m (38.0 ft)9.43 m (30.9 ft)
LWL10.06 m (33.0 ft)8.45 m (27.7 ft)
Beam3.66 m (12.0 ft)3.13 m (10.3 ft)
Draft1.96 m (6.4 ft)1.60 m (5.2 ft)
Weight
Displacement7,484 kg (16,499 lbs)4,150 kg (9,149 lbs)
Ballast2,948 kg (6,499 lbs)1,230 kg (2,712 lbs)
Sailing
Sail Area63.0 m² (678 ft²)40.0 m² (431 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine35 HP15 HP
Fuel Capacity114 L (30.1 gal)80 L (21.1 gal)
Water Capacity227 L (60.0 gal)120 L (31.7 gal)
Accommodation
Berths74
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Catalina 387
16.73
Dufour 310 Grand Large
15.74
Ballast Ratio (Higher = more stability)
Catalina 387
39.39
Dufour 310 Grand Large
29.64
Capsize Ratio (Lower = safer offshore)
Catalina 387
0.75
Dufour 310 Grand Large
0.78
Comfort Ratio (Higher = gentler motion)
Catalina 387
18.47
Dufour 310 Grand Large
18.25

Detailed Comparison

The Catalina 387 and Dufour 310 Grand Large represent two takes on sloop-rigged sailing. The Catalina 387 is a 1990s design by Catalina from USA, while the Dufour 310 Grand Large is a modern offering from Dufour from France. The Catalina 387 was penned by Gerry Douglas. The Dufour 310 Grand Large was designed by Felci Yacht Design.

In terms of size, the Catalina 387 measures 11.58m (38.0ft) overall with a beam of 3.66m, compared to the Dufour 310 Grand Large at 9.43m (30.9ft) with a 3.13m beam. The Catalina 387 is 2.15m longer than the Dufour 310 Grand Large. The Catalina 387 displaces approximately 80% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Catalina 387 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.73 and 63.0 m² of sail area. The Dufour 310 Grand Large, with an SA/D of 15.74 and 40.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Catalina 387 has the edge in terms of raw sailing performance.

For comfort and safety, the Catalina 387 offers a firm, racing-oriented motion (comfort ratio: 18.5) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.75). The Dufour 310 Grand Large has a comfort ratio of 18.3 and a capsize screening value of 0.78. The ballast ratios are 39.4% for the Catalina 387 and 29.6% for the Dufour 310 Grand Large, reflecting their respective approaches to stability.

Below deck, the Catalina 387 provides 7 berths in 2 cabins with 227L of water capacity and 114L of fuel. The Dufour 310 Grand Large offers 4 berths in 1 cabin with 120L water and 80L fuel capacity.

Verdict

For cruising: The Catalina 387 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 Catalina 387 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The Catalina 387 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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