Both the Princecraft Vectra 17 2010 and the Princecraft Vision 23 2009 are pontoon designs, both built in aluminium, 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 Princecraft Vision 23 2009 measures 23,2 feet overall (2009), giving it roughly 5,5 additional feet of deck space compared to the Princecraft Vectra 17 2010 at 17,7 feet (2010). Weight tells a clearer story for trailering families: the Princecraft Vision 23 2009 tips the scales at 1 875 lbs - 563 lbs less than the Princecraft Vectra 17 2010 at 1 312 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 115 hp, the Princecraft Vision 23 2009 has a 65-hp advantage over the Princecraft Vectra 17 2010's 50-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Princecraft Vision 23 2009 is rated for 12 passengers, while the Princecraft Vectra 17 2010 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Princecraft Vision 23 2009 could be the deciding factor.
Both are 2-tube and 2-tube pontoon designs respectively. Tube diameter and gauge affect stability and load capacity - more so than most buyers realize when comparing on paper.
Bottom line: Choose the Princecraft Vision 23 2009 if your priority is putting more people on the water - it handles 12 passengers and at 23,2 ft it has the deck room to back that rating up comfortably. The Princecraft Vectra 17 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.