The Southern Wind SW105 Kiboko Tres 2018 vs Southern Wind SWCAT 90 2021 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
Size is the most obvious dividing line here. The Southern Wind SW105 Kiboko Tres 2018 measures 105,8 feet overall (2018), giving it roughly 15,0 additional feet of deck space compared to the Southern Wind SWCAT 90 2021 at 90,8 feet (2021). Weight tells a clearer story for trailering families: the Southern Wind SW105 Kiboko Tres 2018 tips the scales at 153 882 lbs — 29 828 lbs more than the Southern Wind SWCAT 90 2021 at 124 054 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
The Southern Wind SW105 Kiboko Tres 2018 carries a rated maximum of 305 hp. Engine data for the Southern Wind SWCAT 90 2021 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.
For family outings this is probably the sharpest distinction between the two. The Southern Wind SW105 Kiboko Tres 2018 is rated for 32 passengers, while the Southern Wind SWCAT 90 2021 caps at 27. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Southern Wind SW105 Kiboko Tres 2018 could be the deciding factor.
Displacement is where these two sailboats genuinely part ways. The Southern Wind SW105 Kiboko Tres 2018 displaces 153 882 lbs — a 29 828-lb difference over the Southern Wind SWCAT 90 2021 at 124 054 lbs. That gap separates two entirely different categories of sailing: the heavier boat is built for offshore passage-making and load-carrying, while the lighter hull rewards performance sailing and easier handling in lighter air.
The Southern Wind SW105 Kiboko Tres 2018 has a documented auxiliary engine of 305 hp.
Bottom line: The Southern Wind SW105 Kiboko Tres 2018 is the offshore and bluewater choice — at 153 882 lbs displacement and 106 ft it has the load capacity, range, and seakeeping for extended passages. The Southern Wind SWCAT 90 2021 at 124 054 lbs is the more nimble, accessible option — easier to single-hand and better suited to coastal and inland sailing.