Dufour 375 Grand Large vs 1977 Cal 33 — Comparison

Dufour 375 Grand Large
VS
1977 Cal 33

Specifications Side by Side

SpecificationDufour 375 Grand Large1977 Cal 33
General
ManufacturerDufourCal
Year2009–20131977–1982
TypeSloopSloop
CountryFranceUSA
DesignerFelci Yacht DesignBill Lapworth / C. Raymond Hunt
Dimensions
LOA11.38 m (37.3 ft)10.06 m (33.0 ft)
LWL10.05 m (33.0 ft)8.08 m (26.5 ft)
Beam3.65 m (12.0 ft)3.20 m (10.5 ft)
Draft1.90 m (6.2 ft)1.60 m (5.2 ft)
Weight
Displacement6,800 kg (14,991 lbs)5,216 kg (11,499 lbs)
Ballast2,100 kg (4,630 lbs)2,177 kg (4,799 lbs)
Sailing
Sail Area61.0 m² (657 ft²)43.0 m² (463 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine29 HP18 HP
Fuel Capacity130 L (34.3 gal)68 L (18.0 gal)
Water Capacity240 L (63.4 gal)114 L (30.1 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Dufour 375 Grand Large
17.27
1977 Cal 33
14.53
Ballast Ratio (Higher = more stability)
Dufour 375 Grand Large
30.88
1977 Cal 33
41.74
Capsize Ratio (Lower = safer offshore)
Dufour 375 Grand Large
0.77
1977 Cal 33
0.74
Comfort Ratio (Higher = gentler motion)
Dufour 375 Grand Large
17.06
1977 Cal 33
22.63

Detailed Comparison

The Dufour 375 Grand Large and 1977 Cal 33 represent two takes on sloop-rigged sailing. The Dufour 375 Grand Large is a 2000s design by Dufour from France, while the 1977 Cal 33 is a 1970s offering from Cal from USA. The Dufour 375 Grand Large was penned by Felci Yacht Design. The 1977 Cal 33 was designed by Bill Lapworth / C. Raymond Hunt.

In terms of size, the Dufour 375 Grand Large measures 11.38m (37.3ft) overall with a beam of 3.65m, compared to the 1977 Cal 33 at 10.06m (33.0ft) with a 3.20m beam. The Dufour 375 Grand Large is 1.32m longer than the 1977 Cal 33. The Dufour 375 Grand Large displaces approximately 30% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Dufour 375 Grand Large has good sail power for versatile performance with an SA/D ratio of 17.27 and 61.0 m² of sail area. The 1977 Cal 33, with an SA/D of 14.53 and 43.0 m² of canvas, offers modest sail power for its displacement. The Dufour 375 Grand Large has the edge in terms of raw sailing performance.

For comfort and safety, the Dufour 375 Grand Large offers a firm, racing-oriented motion (comfort ratio: 17.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1977 Cal 33 has a comfort ratio of 22.6 and a capsize screening value of 0.74. The ballast ratios are 30.9% for the Dufour 375 Grand Large and 41.7% for the 1977 Cal 33, reflecting their respective approaches to stability.

Below deck, the Dufour 375 Grand Large provides 6 berths in 2 cabins with 240L of water capacity and 130L of fuel. The 1977 Cal 33 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.

Verdict

For cruising: The 1977 Cal 33 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 375 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: Both boats provide similar accommodation, making either a viable choice for living aboard. Consider water and fuel capacity for extended stays away from marinas.

Compare Different Boats

Looking for a different matchup? Browse All Boats

Or view individual specs: Dufour 375 Grand Large · 1977 Cal 33