The Scout 210 XSF 2012 is a deep-V design and the Scout 221 Winyah Bay 2010 is a modified-V design, so you're likely deciding between two noticeably different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
On paper these two are close siblings in the size department - Scout 210 XSF 2012 at 20,8 ft versus Scout 221 Winyah Bay 2010 at 22,0 ft. At 1 980 lbs and 1 940 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.
The power gap is worth calling out. Rated to 250 hp, the Scout 221 Winyah Bay 2010 has a 25-hp advantage over the Scout 210 XSF 2012's 225-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Scout 210 XSF 2012 carries 65 gallons versus 61 gallons in the Scout 221 Winyah Bay 2010. 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 2010 is rated for 7 passengers, while the Scout 210 XSF 2012 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Scout 221 Winyah Bay 2010 could be the deciding factor.
Bottom line: Choose the Scout 221 Winyah Bay 2010 if your priority is putting more people on the water - it handles 7 passengers and at 22,0 ft it has the deck room to back that rating up comfortably. The Scout 210 XSF 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.