Dufour 310 Grand Large vs 1976 C&C 33 — Comparison

Dufour 310 Grand Large
VS
1976 C&C 33

Specifications Side by Side

SpecificationDufour 310 Grand Large1976 C&C 33
General
ManufacturerDufourC&C Yachts
Year2015–20201976–1982
TypeSloopSloop
CountryFranceCanada
DesignerFelci Yacht DesignCuthbertson & Cassian
Dimensions
LOA9.43 m (30.9 ft)10.06 m (33.0 ft)
LWL8.45 m (27.7 ft)8.23 m (27.0 ft)
Beam3.13 m (10.3 ft)3.35 m (11.0 ft)
Draft1.60 m (5.2 ft)1.52 m (5.0 ft)
Weight
Displacement4,150 kg (9,149 lbs)4,536 kg (10,000 lbs)
Ballast1,230 kg (2,712 lbs)2,041 kg (4,500 lbs)
Sailing
Sail Area40.0 m² (431 ft²)42.0 m² (452 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine15 HP15 HP
Fuel Capacity80 L (21.1 gal)57 L (15.1 gal)
Water Capacity120 L (31.7 gal)95 L (25.1 gal)
Accommodation
Berths46
Cabins12

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Dufour 310 Grand Large
15.74
1976 C&C 33
15.57
Ballast Ratio (Higher = more stability)
Dufour 310 Grand Large
29.64
1976 C&C 33
45.00
Capsize Ratio (Lower = safer offshore)
Dufour 310 Grand Large
0.78
1976 C&C 33
0.81
Comfort Ratio (Higher = gentler motion)
Dufour 310 Grand Large
18.25
1976 C&C 33
18.07

Detailed Comparison

The Dufour 310 Grand Large and 1976 C&C 33 represent two takes on sloop-rigged sailing. The Dufour 310 Grand Large is a modern design by Dufour from France, while the 1976 C&C 33 is a 1970s offering from C&C Yachts from Canada. The Dufour 310 Grand Large was penned by Felci Yacht Design. The 1976 C&C 33 was designed by Cuthbertson & Cassian.

In terms of size, the Dufour 310 Grand Large measures 9.43m (30.9ft) overall with a beam of 3.13m, compared to the 1976 C&C 33 at 10.06m (33.0ft) with a 3.35m beam. The 1976 C&C 33 is 0.63m longer than the Dufour 310 Grand Large. The 1976 C&C 33 displaces approximately 9% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Dufour 310 Grand Large has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.74 and 40.0 m² of sail area. The 1976 C&C 33, with an SA/D of 15.57 and 42.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Dufour 310 Grand Large has the edge in terms of raw sailing performance.

For comfort and safety, the Dufour 310 Grand Large offers a firm, racing-oriented motion (comfort ratio: 18.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The 1976 C&C 33 has a comfort ratio of 18.1 and a capsize screening value of 0.81. The ballast ratios are 29.6% for the Dufour 310 Grand Large and 45.0% for the 1976 C&C 33, reflecting their respective approaches to stability.

Below deck, the Dufour 310 Grand Large provides 4 berths in 1 cabin with 120L of water capacity and 80L of fuel. The 1976 C&C 33 offers 6 berths in 2 cabins with 95L water and 57L fuel capacity.

Verdict

For cruising: The Dufour 310 Grand Large 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 310 Grand Large has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1976 C&C 33 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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