Both the Velocity 220 2009 and the Velocity 400 Xover 2010 are modified-V designs, both built in composite, so 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 Velocity 400 Xover 2010 measures 39,3 feet overall (2010), giving it roughly 18,3 additional feet of deck space compared to the Velocity 220 2009 at 21,0 feet (2009). Weight tells a clearer story for trailering families: the Velocity 400 Xover 2010 tips the scales at 6 000 lbs - 2 900 lbs less than the Velocity 220 2009 at 3 100 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 share a closely matched power ceiling - 300 hp for the Velocity 220 2009 and 300 hp for the Velocity 400 Xover 2010. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Velocity 400 Xover 2010 carries 400 gallons versus 50 gallons in the Velocity 220 2009. 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 Velocity 400 Xover 2010 is rated for 11 passengers, while the Velocity 220 2009 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Velocity 400 Xover 2010 could be the deciding factor.
Bottom line: Choose the Velocity 400 Xover 2010 if your priority is putting more people on the water - it handles 11 passengers and at 39,3 ft it has the deck room to back that rating up comfortably. The Velocity 220 2009 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.