2010 Dufour 525 Grand Large vs 2010 Oyster 475 — Comparison

2010 Dufour 525 Grand Large
VS
2010 Oyster 4752010 Oyster 475

Specifications Side by Side

Specification2010 Dufour 525 Grand Large2010 Oyster 475
General
ManufacturerDufourOyster
Year2010–20152010–2018
TypeSloopSloop
CountryFranceUnited Kingdom
DesignerUmberto FelciRob Humphreys
Dimensions
LOA15.82 m (51.9 ft)14.50 m (47.6 ft)
LWL14.10 m (46.3 ft)12.30 m (40.4 ft)
Beam4.77 m (15.6 ft)4.30 m (14.1 ft)
Draft2.25 m (7.4 ft)2.10 m (6.9 ft)
Weight
Displacement14,500 kg (31,967 lbs)13,500 kg (29,762 lbs)
Ballast4,200 kg (9,259 lbs)5,100 kg (11,244 lbs)
Sailing
Sail Area115.0 m² (1,238 ft²)95.0 m² (1,023 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine75 HP75 HP
Fuel Capacity250 L (66.0 gal)280 L (74.0 gal)
Water Capacity500 L (132.1 gal)500 L (132.1 gal)
Accommodation
Berths107
Cabins53

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2010 Dufour 525 Grand Large
19.64
2010 Oyster 475
17.02
Ballast Ratio (Higher = more stability)
2010 Dufour 525 Grand Large
28.97
2010 Oyster 475
37.78
Capsize Ratio (Lower = safer offshore)
2010 Dufour 525 Grand Large
0.78
2010 Oyster 475
0.72
Comfort Ratio (Higher = gentler motion)
2010 Dufour 525 Grand Large
13.01
2010 Oyster 475
17.69

Detailed Comparison

The 2010 Dufour 525 Grand Large and 2010 Oyster 475 represent two takes on sloop-rigged sailing. The 2010 Dufour 525 Grand Large is a modern design by Dufour from France, while the 2010 Oyster 475 is a modern offering from Oyster from United Kingdom. The 2010 Dufour 525 Grand Large was penned by Umberto Felci. The 2010 Oyster 475 was designed by Rob Humphreys.

In terms of size, the 2010 Dufour 525 Grand Large measures 15.82m (51.9ft) overall with a beam of 4.77m, compared to the 2010 Oyster 475 at 14.50m (47.6ft) with a 4.30m beam. The 2010 Dufour 525 Grand Large is 1.32m longer than the 2010 Oyster 475. The 2010 Dufour 525 Grand Large displaces approximately 7% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2010 Dufour 525 Grand Large has good sail power for versatile performance with an SA/D ratio of 19.64 and 115.0 m² of sail area. The 2010 Oyster 475, with an SA/D of 17.02 and 95.0 m² of canvas, offers good sail power for versatile performance. The 2010 Dufour 525 Grand Large has the edge in terms of raw sailing performance.

For comfort and safety, the 2010 Dufour 525 Grand Large offers a firm, racing-oriented motion (comfort ratio: 13.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The 2010 Oyster 475 has a comfort ratio of 17.7 and a capsize screening value of 0.72. The ballast ratios are 29.0% for the 2010 Dufour 525 Grand Large and 37.8% for the 2010 Oyster 475, reflecting their respective approaches to stability.

Below deck, the 2010 Dufour 525 Grand Large provides 10 berths in 5 cabins with 500L of water capacity and 250L of fuel. The 2010 Oyster 475 offers 7 berths in 3 cabins with 500L water and 280L fuel capacity.

Verdict

For cruising: The 2010 Oyster 475 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 2010 Dufour 525 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 2010 Dufour 525 Grand Large 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: 2010 Dufour 525 Grand Large · 2010 Oyster 475