Both the Scout 221 Winyah Bay 2013 and the Scout 251 XS 2012 are modified-V designs, both built in fibreglass, 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 - Scout 221 Winyah Bay 2013 at 22,0 ft versus Scout 251 XS 2012 at 24,8 ft. Weight tells a clearer story for trailering families: the Scout 251 XS 2012 tips the scales at 2 300 lbs - 360 lbs less than the Scout 221 Winyah Bay 2013 at 1 940 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 Scout 221 Winyah Bay 2013 and 300 hp for the Scout 251 XS 2012. 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 Scout 251 XS 2012 carries 80 gallons versus 61 gallons in the Scout 221 Winyah Bay 2013. 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 Scout 221 Winyah Bay 2013 is rated for 10 passengers, while the Scout 251 XS 2012 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Scout 221 Winyah Bay 2013 could be the deciding factor.
Bottom line: Choose the Scout 221 Winyah Bay 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 Scout 251 XS 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.