When two boats share the same hull type — in this case both the Kayot Z220 2005 and the Kayot Z250 2007 are modified vee designs with composite construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

Size is the most obvious dividing line here. The Kayot Z250 2007 measures 25,0 feet overall (2007), giving it roughly 4,0 additional feet of deck space compared to the Kayot Z220 2005 at 21,0 feet (2005). Weight tells a clearer story for trailering families: the Kayot Z250 2007 tips the scales at 495 lbs — 491 lbs less than the Kayot Z220 2005 at 4 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 425 hp, the Kayot Z250 2007 has a 105-hp advantage over the Kayot Z220 2005's 320-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Kayot Z250 2007 carries 97 gallons versus 5 gallons in the Kayot Z220 2005. 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 Kayot Z250 2007 is rated for 14 passengers, while the Kayot Z220 2005 caps at 13. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Kayot Z250 2007 could be the deciding factor.