The Jeanneau Sun Odyssey 30i 2008 vs Jeanneau Sun Odyssey 410 2019 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 Jeanneau Sun Odyssey 410 2019 measures 40,6 feet overall (2019), giving it roughly 11,0 additional feet of deck space compared to the Jeanneau Sun Odyssey 30i 2008 at 29,6 feet (2008). Weight tells a clearer story for trailering families: the Jeanneau Sun Odyssey 410 2019 tips the scales at 17 637 lbs — 8 940 lbs less than the Jeanneau Sun Odyssey 30i 2008 at 8 697 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 45 hp, the Jeanneau Sun Odyssey 410 2019 has a 24-hp advantage over the Jeanneau Sun Odyssey 30i 2008's 21-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Jeanneau Sun Odyssey 410 2019 carries 53 gallons versus 13 gallons in the Jeanneau Sun Odyssey 30i 2008. 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 Jeanneau Sun Odyssey 410 2019 is rated for 12 passengers, while the Jeanneau Sun Odyssey 30i 2008 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Jeanneau Sun Odyssey 410 2019 could be the deciding factor.
Displacement is where these two sailboats genuinely part ways. The Jeanneau Sun Odyssey 410 2019 displaces 17 637 lbs — a 8 940-lb difference over the Jeanneau Sun Odyssey 30i 2008 at 8 697 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 Jeanneau Sun Odyssey 410 2019 draws 7,0 ft, compared to 5,8 ft for the Jeanneau Sun Odyssey 30i 2008. That 1,2-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 Jeanneau Sun Odyssey 30i 2008 uses Sloop rigging. Helm style differs too: the Jeanneau Sun Odyssey 30i 2008 uses a 1 tiller versus a 2 wheels on the Jeanneau Sun Odyssey 410 2019. Wheel helms give better leverage and visibility on larger boats; tillers offer direct feedback and simplicity on smaller ones. For auxiliary power the Jeanneau Sun Odyssey 410 2019 carries a 45-hp engine against 21 hp on the Jeanneau Sun Odyssey 30i 2008. Motoring range and ability to punch through a foul current or enter a tight marina under power will favour the more powerful installation.
Hull speed is rated at 8,2 knots for the Jeanneau Sun Odyssey 410 2019 and 7,0 knots for the Jeanneau Sun Odyssey 30i 2008. For extended cruising, water capacity matters: the Jeanneau Sun Odyssey 30i 2008 carries 42 gallons versus 14 gallons on the Jeanneau Sun Odyssey 410 2019 — a significant advantage on longer passages where watermaker or provisioning stops aren't guaranteed.
Bottom line: The Jeanneau Sun Odyssey 410 2019 is the offshore and bluewater choice — at 17 637 lbs displacement and 41 ft it has the load capacity, range, and seakeeping for extended passages. The Jeanneau Sun Odyssey 30i 2008 at 8 697 lbs is the more nimble, accessible option — easier to single-hand and better suited to coastal and inland sailing.