2010 Oyster 475 vs 1987 Cape Dory 40 — Comparison

2010 Oyster 4752010 Oyster 475
VS
1987 Cape Dory 40

Specifications Side by Side

Specification2010 Oyster 4751987 Cape Dory 40
General
ManufacturerOysterCape Dory
Year2010–20181987–1992
TypeSloopSloop
CountryUnited KingdomUSA
DesignerRob HumphreysCarl Alberg
Dimensions
LOA14.50 m (47.6 ft)12.19 m (40.0 ft)
LWL12.30 m (40.4 ft)9.45 m (31.0 ft)
Beam4.30 m (14.1 ft)3.66 m (12.0 ft)
Draft2.10 m (6.9 ft)1.68 m (5.5 ft)
Weight
Displacement13,500 kg (29,762 lbs)8,618 kg (18,999 lbs)
Ballast5,100 kg (11,244 lbs)3,629 kg (8,001 lbs)
Sailing
Sail Area95.0 m² (1,023 ft²)64.5 m² (694 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine75 HP40 HP
Fuel Capacity280 L (74.0 gal)151 L (39.9 gal)
Water Capacity500 L (132.1 gal)284 L (75.0 gal)
Accommodation
Berths77
Cabins32

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2010 Oyster 475
17.02
1987 Cape Dory 40
15.59
Ballast Ratio (Higher = more stability)
2010 Oyster 475
37.78
1987 Cape Dory 40
42.11
Capsize Ratio (Lower = safer offshore)
2010 Oyster 475
0.72
1987 Cape Dory 40
0.72
Comfort Ratio (Higher = gentler motion)
2010 Oyster 475
17.69
1987 Cape Dory 40
22.29

Detailed Comparison

The 2010 Oyster 475 and 1987 Cape Dory 40 represent two takes on sloop-rigged sailing. The 2010 Oyster 475 is a modern design by Oyster from United Kingdom, while the 1987 Cape Dory 40 is a 1980s offering from Cape Dory from USA. The 2010 Oyster 475 was penned by Rob Humphreys. The 1987 Cape Dory 40 was designed by Carl Alberg.

In terms of size, the 2010 Oyster 475 measures 14.50m (47.6ft) overall with a beam of 4.30m, compared to the 1987 Cape Dory 40 at 12.19m (40.0ft) with a 3.66m beam. The 2010 Oyster 475 is 2.31m longer than the 1987 Cape Dory 40. The 2010 Oyster 475 displaces approximately 57% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2010 Oyster 475 has good sail power for versatile performance with an SA/D ratio of 17.02 and 95.0 m² of sail area. The 1987 Cape Dory 40, with an SA/D of 15.59 and 64.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 2010 Oyster 475 has the edge in terms of raw sailing performance.

For comfort and safety, the 2010 Oyster 475 offers a firm, racing-oriented motion (comfort ratio: 17.7) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.72). The 1987 Cape Dory 40 has a comfort ratio of 22.3 and a capsize screening value of 0.72. The ballast ratios are 37.8% for the 2010 Oyster 475 and 42.1% for the 1987 Cape Dory 40, reflecting their respective approaches to stability.

Below deck, the 2010 Oyster 475 provides 7 berths in 3 cabins with 500L of water capacity and 280L of fuel. The 1987 Cape Dory 40 offers 7 berths in 2 cabins with 284L water and 151L fuel capacity.

Verdict

For cruising: The 1987 Cape Dory 40 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 Oyster 475 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.

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Or view individual specs: 2010 Oyster 475 · 1987 Cape Dory 40