Beneteau First 18 vs 1978 Cape Dory 270 — Comparison

Beneteau First 18
VS
1978 Cape Dory 270

Specifications Side by Side

SpecificationBeneteau First 181978 Cape Dory 270
General
ManufacturerBeneteauCape Dory
Year20181978–1985
TypeSloopSloop
CountryFranceUSA
DesignerSam ManuardCarl Alberg
Dimensions
LOA5.49 m (18.0 ft)8.23 m (27.0 ft)
LWL4.96 m (16.3 ft)6.40 m (21.0 ft)
Beam2.28 m (7.5 ft)2.59 m (8.5 ft)
Draft1.10 m (3.6 ft)1.14 m (3.7 ft)
Weight
Displacement450 kg (992 lbs)2,722 kg (6,001 lbs)
Ballast100 kg (220 lbs)1,134 kg (2,500 lbs)
Sailing
Sail Area16.0 m² (172 ft²)28.0 m² (301 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeLiftingFull
Engine & Tanks
Engine12 HP
Fuel Capacity38 L (10.0 gal)
Water Capacity68 L (18.0 gal)
Accommodation
Berths24
Cabins1

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Beneteau First 18
27.71
1978 Cape Dory 270
14.60
Ballast Ratio (Higher = more stability)
Beneteau First 18
22.22
1978 Cape Dory 270
41.66
Capsize Ratio (Lower = safer offshore)
Beneteau First 18
1.19
1978 Cape Dory 270
0.74
Comfort Ratio (Higher = gentler motion)
Beneteau First 18
8.81
1978 Cape Dory 270
24.39

Detailed Comparison

The Beneteau First 18 and 1978 Cape Dory 270 represent two takes on sloop-rigged sailing. The Beneteau First 18 is a modern design by Beneteau from France, while the 1978 Cape Dory 270 is a 1970s offering from Cape Dory from USA. The Beneteau First 18 was penned by Sam Manuard. The 1978 Cape Dory 270 was designed by Carl Alberg.

In terms of size, the Beneteau First 18 measures 5.49m (18.0ft) overall with a beam of 2.28m, compared to the 1978 Cape Dory 270 at 8.23m (27.0ft) with a 2.59m beam. The 1978 Cape Dory 270 is 2.74m longer than the Beneteau First 18. The 1978 Cape Dory 270 displaces approximately 505% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Beneteau First 18 has generous sail power for spirited sailing with an SA/D ratio of 27.71 and 16.0 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 Beneteau First 18 has the edge in terms of raw sailing performance.

For comfort and safety, the Beneteau First 18 offers a firm, racing-oriented motion (comfort ratio: 8.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 1.19). The 1978 Cape Dory 270 has a comfort ratio of 24.4 and a capsize screening value of 0.74. The ballast ratios are 22.2% for the Beneteau First 18 and 41.7% for the 1978 Cape Dory 270, reflecting their respective approaches to stability.

Below deck, the Beneteau First 18 provides 2 berths with unspecified water tankage and unspecified fuel capacity. 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 Beneteau First 18 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1978 Cape Dory 270 offers more sleeping accommodation, making it better suited for extended 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: Beneteau First 18 · 1978 Cape Dory 270