When two boats share the same hull type — in this case both the Xcursion X-19C-B 2013 and the Xcursion X-21RFC 2013 are pontoon designs with aluminum 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?
Both boats share a closely matched power ceiling — 115 hp for the Xcursion X-19C-B 2013 and 115 hp for the Xcursion X-21RFC 2013. 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.
For family outings this is probably the sharpest distinction between the two. The Xcursion X-21RFC 2013 is rated for 10 passengers, while the Xcursion X-19C-B 2013 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Xcursion X-21RFC 2013 could be the deciding factor.
Bottom line: Choose the Xcursion X-21RFC 2013 if your priority is putting more people on the water — it handles 10 passengers and at 22,0 ft it has the deck room to back that rating up comfortably. The Xcursion X-19C-B 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.