The Odyssey Lextra 2503L 2005 vs Odyssey Millennium II 2105M2 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 Odyssey Lextra 2503L 2005 measures 24,0 feet overall (2005), giving it roughly 4,0 additional feet of deck space compared to the Odyssey Millennium II 2105M2 2004 at 20,0 feet (2004). Weight tells a clearer story for trailering families: the Odyssey Lextra 2503L 2005 tips the scales at 2 320 lbs - 570 lbs more than the Odyssey Millennium II 2105M2 2004 at 1 750 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 are rated for 14 passengers - a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: The Odyssey Lextra 2503L 2005 at 24,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Odyssey Millennium II 2105M2 2004 at 20,0 ft wins on trailering ease, likely lower purchase price, and simpler docking - a solid choice for a buyer who wants more boat for less money.