Both the Princecraft Vantage 21 2013 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?
On paper these two are close siblings in the size department - Princecraft Vantage 21 2013 at 21,8 ft versus Princecraft Vision 23 2009 at 23,2 ft. At 1 843 lbs and 1 875 lbs respectively, both sit in a similar weight class - either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
Both boats share a closely matched power ceiling - 115 hp for the Princecraft Vantage 21 2013 and 115 hp for the Princecraft Vision 23 2009. 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. Both carry nearly identical fuel loads - 30 gal and 33 gal - so range won't be a tiebreaker here.
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 Vantage 21 2013 caps at 10. 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.
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 Vantage 21 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 10 that costs less to run day-to-day.