The Odyssey 322C 2007 vs Odyssey Millennium II 2102M2 2005 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.
On paper these two are close siblings in the size department - Odyssey 322C 2007 at 23,0 ft versus Odyssey Millennium II 2102M2 2005 at 20,0 ft. Weight tells a clearer story for trailering families: the Odyssey 322C 2007 tips the scales at 2 110 lbs - 360 lbs more than the Odyssey Millennium II 2102M2 2005 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.
The Odyssey 322C 2007 carries a rated maximum of 115 hp. Engine data for the Odyssey Millennium II 2102M2 2005 wasn't available in our records - check the manufacturer's spec sheet before sizing a motor.
Both boats are rated for 12 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.
The Odyssey 322C 2007 is an inflatable design - lighter, easier to store, and quicker to launch from a beach or dock without a slipway. The Odyssey Millennium II 2102M2 2005 is a rigid hull, which typically offers a more confident ride in chop and easier maintenance over the long term.
Bottom line: The Odyssey 322C 2007 at 23,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Odyssey Millennium II 2102M2 2005 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.