The Beneteau First 18 2018 vs Beneteau Swift Trawler 50 2020 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 Beneteau Swift Trawler 50 2020 measures 49,2 feet overall (2020), giving it roughly 31,2 additional feet of deck space compared to the Beneteau First 18 2018 at 18,0 feet (2018). Weight tells a clearer story for trailering families: the Beneteau Swift Trawler 50 2020 tips the scales at 35 264 lbs — 34 162 lbs less than the Beneteau First 18 2018 at 1 102 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 Beneteau Swift Trawler 50 2020 tops out at 440 hp. Engine specs for the Beneteau First 18 2018 aren't listed — confirm with a dealer before selecting an outboard.
For family outings this is probably the sharpest distinction between the two. The Beneteau Swift Trawler 50 2020 is rated for 15 passengers, while the Beneteau First 18 2018 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Beneteau Swift Trawler 50 2020 could be the deciding factor.
Displacement is where these two sailboats genuinely part ways. The Beneteau Swift Trawler 50 2020 displaces 35 264 lbs — a 34 162-lb difference over the Beneteau First 18 2018 at 1 102 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.
Both boats draw a similar depth — 3,7 ft and 3,4 ft respectively. Marina access and anchorage options should be broadly equivalent between the two.
The Beneteau First 18 2018 uses Sloop rigging. The Beneteau Swift Trawler 50 2020 has a documented auxiliary engine of 440 hp.
The Beneteau First 18 2018 is trailerable, giving it a significant lifestyle advantage for sailors who want to move between lakes, rivers, and coastal waters without committing to a marina slip.
Bottom line: The Beneteau Swift Trawler 50 2020 is the offshore and bluewater choice — at 35 264 lbs displacement and 49 ft it has the load capacity, range, and seakeeping for extended passages. The Beneteau First 18 2018 at 1 102 lbs is the more nimble, accessible option and is trailerable — easier to single-hand and better suited to coastal and inland sailing.