The Beneteau Oceanis 461 1994 vs Beneteau Oceanis 510 1994 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 510 1994 measures 50,2 feet overall (1994), giving it roughly 5,1 additional feet of deck space compared to the Beneteau Oceanis 461 1994 at 45,1 feet (1994). Weight tells a clearer story for trailering families: the Beneteau Oceanis 510 1994 tips the scales at 30 864 lbs — 9 920 lbs less than the Beneteau Oceanis 461 1994 at 20 944 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.
Both boats share a closely matched power ceiling — 85 hp for the Beneteau Oceanis 461 1994 and 80 hp for the Beneteau Oceanis 510 1994. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Beneteau Oceanis 510 1994 carries 148 gallons versus 53 gallons in the Beneteau Oceanis 461 1994. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Beneteau Oceanis 510 1994 is rated for 15 passengers, while the Beneteau Oceanis 461 1994 caps at 13. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Beneteau Oceanis 510 1994 could be the deciding factor.
Displacement is where these two sailboats genuinely part ways. The Beneteau Oceanis 510 1994 displaces 30 864 lbs — a 9 920-lb difference over the Beneteau Oceanis 461 1994 at 20 944 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 — 5,8 ft and 5,9 ft respectively. Marina access and anchorage options should be broadly equivalent between the two.
The Beneteau Oceanis 461 1994 is rigged as a Sloop while the Beneteau Oceanis 510 1994 carries Masthead-sloop rigging — a meaningful difference in sail handling complexity, upwind performance, and the size of crew you'll need to work the boat comfortably.
For extended cruising, water capacity matters: the Beneteau Oceanis 510 1994 carries 264 gallons versus 217 gallons on the Beneteau Oceanis 461 1994 — a significant advantage on longer passages where watermaker or provisioning stops aren't guaranteed.
Bottom line: The Beneteau Oceanis 510 1994 is the offshore and bluewater choice — at 30 864 lbs displacement and 50 ft it has the load capacity, range, and seakeeping for extended passages. The Beneteau Oceanis 461 1994 at 20 944 lbs is the more nimble, accessible option — easier to single-hand and better suited to coastal and inland sailing.