2010 Oyster 475 vs 2013 Oyster 485 — Comparison

2010 Oyster 4752010 Oyster 475
VS
2013 Oyster 485

Specifications Side by Side

Specification2010 Oyster 4752013 Oyster 485
General
ManufacturerOysterOyster
Year2010–20182013–2020
TypeSloopSloop
CountryUnited KingdomUnited Kingdom
DesignerRob HumphreysRob Humphreys
Dimensions
LOA14.50 m (47.6 ft)14.85 m (48.7 ft)
LWL12.30 m (40.4 ft)12.70 m (41.7 ft)
Beam4.30 m (14.1 ft)4.38 m (14.4 ft)
Draft2.10 m (6.9 ft)2.15 m (7.1 ft)
Weight
Displacement13,500 kg (29,762 lbs)14,200 kg (31,306 lbs)
Ballast5,100 kg (11,244 lbs)5,400 kg (11,905 lbs)
Sailing
Sail Area95.0 m² (1,023 ft²)98.0 m² (1,055 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine75 HP110 HP
Fuel Capacity280 L (74.0 gal)300 L (79.3 gal)
Water Capacity500 L (132.1 gal)550 L (145.3 gal)
Accommodation
Berths77
Cabins33

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2010 Oyster 475
17.02
2013 Oyster 485
16.98
Ballast Ratio (Higher = more stability)
2010 Oyster 475
37.78
2013 Oyster 485
38.03
Capsize Ratio (Lower = safer offshore)
2010 Oyster 475
0.72
2013 Oyster 485
0.72
Comfort Ratio (Higher = gentler motion)
2010 Oyster 475
17.69
2013 Oyster 485
17.13

Detailed Comparison

The 2010 Oyster 475 and 2013 Oyster 485 represent two takes on sloop-rigged sailing. The 2010 Oyster 475 is a modern design by Oyster from United Kingdom, while the 2013 Oyster 485 is a modern offering from Oyster from United Kingdom. The 2010 Oyster 475 was penned by Rob Humphreys. The 2013 Oyster 485 was designed by Rob Humphreys.

In terms of size, the 2010 Oyster 475 measures 14.50m (47.6ft) overall with a beam of 4.30m, compared to the 2013 Oyster 485 at 14.85m (48.7ft) with a 4.38m beam. The 2013 Oyster 485 is 0.35m longer than the 2010 Oyster 475. The 2013 Oyster 485 displaces approximately 5% 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 2013 Oyster 485, with an SA/D of 16.98 and 98.0 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 2013 Oyster 485 has a comfort ratio of 17.1 and a capsize screening value of 0.72. The ballast ratios are 37.8% for the 2010 Oyster 475 and 38.0% for the 2013 Oyster 485, 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 2013 Oyster 485 offers 7 berths in 3 cabins with 550L water and 300L 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 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 · 2013 Oyster 485