1975 Columbia 34 Mk II vs 1987 Cape Dory 40 — Comparison

1975 Columbia 34 Mk II
VS
1987 Cape Dory 40

Specifications Side by Side

Specification1975 Columbia 34 Mk II1987 Cape Dory 40
General
ManufacturerColumbiaCape Dory
Year1975–19801987–1992
TypeSloopSloop
CountryUSAUSA
DesignerWilliam CrealockCarl Alberg
Dimensions
LOA10.36 m (34.0 ft)12.19 m (40.0 ft)
LWL8.23 m (27.0 ft)9.45 m (31.0 ft)
Beam3.05 m (10.0 ft)3.66 m (12.0 ft)
Draft1.52 m (5.0 ft)1.68 m (5.5 ft)
Weight
Displacement5,216 kg (11,499 lbs)8,618 kg (18,999 lbs)
Ballast2,177 kg (4,799 lbs)3,629 kg (8,001 lbs)
Sailing
Sail Area46.5 m² (501 ft²)64.5 m² (694 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine18 HP40 HP
Fuel Capacity76 L (20.1 gal)151 L (39.9 gal)
Water Capacity114 L (30.1 gal)284 L (75.0 gal)
Accommodation
Berths67
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1975 Columbia 34 Mk II
15.71
1987 Cape Dory 40
15.59
Ballast Ratio (Higher = more stability)
1975 Columbia 34 Mk II
41.74
1987 Cape Dory 40
42.11
Capsize Ratio (Lower = safer offshore)
1975 Columbia 34 Mk II
0.70
1987 Cape Dory 40
0.72
Comfort Ratio (Higher = gentler motion)
1975 Columbia 34 Mk II
23.07
1987 Cape Dory 40
22.29

Detailed Comparison

The 1975 Columbia 34 Mk II and 1987 Cape Dory 40 represent two takes on sloop-rigged sailing. The 1975 Columbia 34 Mk II is a 1970s design by Columbia from USA, while the 1987 Cape Dory 40 is a 1980s offering from Cape Dory from USA. The 1975 Columbia 34 Mk II was penned by William Crealock. The 1987 Cape Dory 40 was designed by Carl Alberg.

In terms of size, the 1975 Columbia 34 Mk II measures 10.36m (34.0ft) overall with a beam of 3.05m, compared to the 1987 Cape Dory 40 at 12.19m (40.0ft) with a 3.66m beam. The 1987 Cape Dory 40 is 1.83m longer than the 1975 Columbia 34 Mk II. The 1987 Cape Dory 40 displaces approximately 65% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1975 Columbia 34 Mk II has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.71 and 46.5 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 1975 Columbia 34 Mk II has the edge in terms of raw sailing performance.

For comfort and safety, the 1975 Columbia 34 Mk II offers a moderate motion comfort level (comfort ratio: 23.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.70). The 1987 Cape Dory 40 has a comfort ratio of 22.3 and a capsize screening value of 0.72. The ballast ratios are 41.7% for the 1975 Columbia 34 Mk II and 42.1% for the 1987 Cape Dory 40, reflecting their respective approaches to stability.

Below deck, the 1975 Columbia 34 Mk II provides 6 berths in 2 cabins with 114L of water capacity and 76L of fuel. The 1987 Cape Dory 40 offers 7 berths in 2 cabins with 284L water and 151L fuel capacity.

Verdict

For cruising: The 1975 Columbia 34 Mk II 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 1975 Columbia 34 Mk II has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1987 Cape Dory 40 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: 1975 Columbia 34 Mk II · 1987 Cape Dory 40