2020 Dehler 42 vs Catalina 34 MkII — Comparison

2020 Dehler 42
VS
Catalina 34 MkII

Specifications Side by Side

Specification2020 Dehler 42Catalina 34 MkII
General
ManufacturerDehlerCatalina
Year20201995–2004
TypeSloopSloop
CountryGermanyUSA
DesignerJudel/VrolijkGerry Douglas
Dimensions
LOA12.77 m (41.9 ft)10.36 m (34.0 ft)
LWL11.58 m (38.0 ft)9.14 m (30.0 ft)
Beam3.96 m (13.0 ft)3.40 m (11.2 ft)
Draft2.20 m (7.2 ft)1.75 m (5.7 ft)
Weight
Displacement8,500 kg (18,739 lbs)5,443 kg (12,000 lbs)
Ballast2,800 kg (6,173 lbs)2,041 kg (4,500 lbs)
Sailing
Sail Area82.0 m² (883 ft²)52.0 m² (560 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine40 HP21 HP
Fuel Capacity100 L (26.4 gal)76 L (20.1 gal)
Water Capacity200 L (52.8 gal)151 L (39.9 gal)
Accommodation
Berths86
Cabins32

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2020 Dehler 42
20.00
Catalina 34 MkII
17.08
Ballast Ratio (Higher = more stability)
2020 Dehler 42
32.94
Catalina 34 MkII
37.50
Capsize Ratio (Lower = safer offshore)
2020 Dehler 42
0.78
Catalina 34 MkII
0.77
Comfort Ratio (Higher = gentler motion)
2020 Dehler 42
14.66
Catalina 34 MkII
18.13

Detailed Comparison

The 2020 Dehler 42 and Catalina 34 MkII represent two takes on sloop-rigged sailing. The 2020 Dehler 42 is a modern design by Dehler from Germany, while the Catalina 34 MkII is a 1990s offering from Catalina from USA. The 2020 Dehler 42 was penned by Judel/Vrolijk. The Catalina 34 MkII was designed by Gerry Douglas.

In terms of size, the 2020 Dehler 42 measures 12.77m (41.9ft) overall with a beam of 3.96m, compared to the Catalina 34 MkII at 10.36m (34.0ft) with a 3.40m beam. The 2020 Dehler 42 is 2.41m longer than the Catalina 34 MkII. The 2020 Dehler 42 displaces approximately 56% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2020 Dehler 42 has generous sail power for spirited sailing with an SA/D ratio of 20.00 and 82.0 m² of sail area. The Catalina 34 MkII, with an SA/D of 17.08 and 52.0 m² of canvas, offers good sail power for versatile performance. The 2020 Dehler 42 has the edge in terms of raw sailing performance.

For comfort and safety, the 2020 Dehler 42 offers a firm, racing-oriented motion (comfort ratio: 14.7) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The Catalina 34 MkII has a comfort ratio of 18.1 and a capsize screening value of 0.77. The ballast ratios are 32.9% for the 2020 Dehler 42 and 37.5% for the Catalina 34 MkII, reflecting their respective approaches to stability.

Below deck, the 2020 Dehler 42 provides 8 berths in 3 cabins with 200L of water capacity and 100L of fuel. The Catalina 34 MkII offers 6 berths in 2 cabins with 151L water and 76L fuel capacity.

Verdict

For cruising: The Catalina 34 MkII 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 2020 Dehler 42 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 2020 Dehler 42 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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