Jeanneau Sun Odyssey 319 vs 1978 Cape Dory 270 — Comparison

Jeanneau Sun Odyssey 319
VS
1978 Cape Dory 270

Specifications Side by Side

SpecificationJeanneau Sun Odyssey 3191978 Cape Dory 270
General
ManufacturerJeanneauCape Dory
Year20191978–1985
TypeSloopSloop
CountryFranceUSA
DesignerMarc LombardCarl Alberg
Dimensions
LOA9.80 m (32.2 ft)8.23 m (27.0 ft)
LWL8.75 m (28.7 ft)6.40 m (21.0 ft)
Beam3.19 m (10.5 ft)2.59 m (8.5 ft)
Draft1.60 m (5.2 ft)1.14 m (3.7 ft)
Weight
Displacement4,700 kg (10,362 lbs)2,722 kg (6,001 lbs)
Ballast1,300 kg (2,866 lbs)1,134 kg (2,500 lbs)
Sailing
Sail Area43.0 m² (463 ft²)28.0 m² (301 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine21 HP12 HP
Fuel Capacity100 L (26.4 gal)38 L (10.0 gal)
Water Capacity150 L (39.6 gal)68 L (18.0 gal)
Accommodation
Berths64
Cabins11

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Jeanneau Sun Odyssey 319
15.57
1978 Cape Dory 270
14.60
Ballast Ratio (Higher = more stability)
Jeanneau Sun Odyssey 319
27.66
1978 Cape Dory 270
41.66
Capsize Ratio (Lower = safer offshore)
Jeanneau Sun Odyssey 319
0.76
1978 Cape Dory 270
0.74
Comfort Ratio (Higher = gentler motion)
Jeanneau Sun Odyssey 319
18.75
1978 Cape Dory 270
24.39

Detailed Comparison

The Jeanneau Sun Odyssey 319 and 1978 Cape Dory 270 represent two takes on sloop-rigged sailing. The Jeanneau Sun Odyssey 319 is a modern design by Jeanneau from France, while the 1978 Cape Dory 270 is a 1970s offering from Cape Dory from USA. The Jeanneau Sun Odyssey 319 was penned by Marc Lombard. The 1978 Cape Dory 270 was designed by Carl Alberg.

In terms of size, the Jeanneau Sun Odyssey 319 measures 9.80m (32.2ft) overall with a beam of 3.19m, compared to the 1978 Cape Dory 270 at 8.23m (27.0ft) with a 2.59m beam. The Jeanneau Sun Odyssey 319 is 1.57m longer than the 1978 Cape Dory 270. The Jeanneau Sun Odyssey 319 displaces approximately 73% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Jeanneau Sun Odyssey 319 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.57 and 43.0 m² of sail area. The 1978 Cape Dory 270, with an SA/D of 14.60 and 28.0 m² of canvas, offers modest sail power for its displacement. The Jeanneau Sun Odyssey 319 has the edge in terms of raw sailing performance.

For comfort and safety, the Jeanneau Sun Odyssey 319 offers a firm, racing-oriented motion (comfort ratio: 18.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.76). The 1978 Cape Dory 270 has a comfort ratio of 24.4 and a capsize screening value of 0.74. The ballast ratios are 27.7% for the Jeanneau Sun Odyssey 319 and 41.7% for the 1978 Cape Dory 270, reflecting their respective approaches to stability.

Below deck, the Jeanneau Sun Odyssey 319 provides 6 berths in 1 cabin with 150L of water capacity and 100L of fuel. The 1978 Cape Dory 270 offers 4 berths in 1 cabin with 68L water and 38L fuel capacity.

Verdict

For cruising: The 1978 Cape Dory 270 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 Jeanneau Sun Odyssey 319 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The Jeanneau Sun Odyssey 319 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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