The Beneteau First Class 7.5 2008 vs Beneteau Oceanis 51.1 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 Oceanis 51.1 2020 measures 52,4 feet overall (2020), giving it roughly 26,5 additional feet of deck space compared to the Beneteau First Class 7.5 2008 at 25,9 feet (2008). Weight tells a clearer story for trailering families: the Beneteau Oceanis 51.1 2020 tips the scales at 30 702 lbs — 28 123 lbs less than the Beneteau First Class 7.5 2008 at 2 579 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 Oceanis 51.1 2020 tops out at 110 hp. Engine specs for the Beneteau First Class 7.5 2008 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 Oceanis 51.1 2020 is rated for 15 passengers, while the Beneteau First Class 7.5 2008 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Beneteau Oceanis 51.1 2020 could be the deciding factor.
Displacement is where these two sailboats genuinely part ways. The Beneteau Oceanis 51.1 2020 displaces 30 702 lbs — a 28 123-lb difference over the Beneteau First Class 7.5 2008 at 2 579 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.
Draft is a practical consideration that many buyers underestimate until they're already at the marina. The Beneteau Oceanis 51.1 2020 draws 9,5 ft, compared to 6,7 ft for the Beneteau First Class 7.5 2008. That 2,8-foot difference affects which anchorages you can access, which haul-out facilities will take you, and how carefully you need to read the tide tables in shallower cruising grounds.
The Beneteau First Class 7.5 2008 is rigged as a Fractional Sloop while the Beneteau Oceanis 51.1 2020 carries Sloop rigging — a meaningful difference in sail handling complexity, upwind performance, and the size of crew you'll need to work the boat comfortably. The Beneteau Oceanis 51.1 2020 has a documented auxiliary engine of 110 hp.
Bottom line: The Beneteau Oceanis 51.1 2020 is the offshore and bluewater choice — at 30 702 lbs displacement and 52 ft it has the load capacity, range, and seakeeping for extended passages. The Beneteau First Class 7.5 2008 at 2 579 lbs is the more nimble, accessible option — easier to single-hand and better suited to coastal and inland sailing.