The Beneteau Antares 7 2020 vs Beneteau First 21.7 S 2004 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 Antares 7 2020 measures 24,6 feet overall (2020), giving it roughly 4,5 additional feet of deck space compared to the Beneteau First 21.7 S 2004 at 20,1 feet (2004). Weight tells a clearer story for trailering families: the Beneteau Antares 7 2020 tips the scales at 4 157 lbs - 1 413 lbs more than the Beneteau First 21.7 S 2004 at 2 744 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 power gap is worth calling out. Rated to 200 hp, the Beneteau Antares 7 2020 has a 180-hp advantage over the Beneteau First 21.7 S 2004's 20-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Beneteau Antares 7 2020 carries 45 gallons versus 8 gallons in the Beneteau First 21.7 S 2004. 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 Antares 7 2020 is rated for 7 passengers, while the Beneteau First 21.7 S 2004 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Beneteau Antares 7 2020 could be the deciding factor.

Both boats sit in a similar displacement bracket - 4 157 lbs for the Beneteau Antares 7 2020 and 2 744 lbs for the Beneteau First 21.7 S 2004. Comparable displacement means broadly similar seakeeping behaviour and load capacity, though hull form and ballast ratio will still produce noticeably different sailing characteristics.

Draft is a practical consideration that many buyers underestimate until they're already at the marina. The Beneteau First 21.7 S 2004 draws 6,0 ft, compared to 2,7 ft for the Beneteau Antares 7 2020. That 3,3-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.

For auxiliary power the Beneteau Antares 7 2020 carries a 200-hp engine against 20 hp on the Beneteau First 21.7 S 2004. Motoring range and ability to punch through a foul current or enter a tight marina under power will favour the more powerful installation.