Both the Four Winns H310 2010 and the Four Winns S215 2009 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?

Size is the most obvious dividing line here. The Four Winns H310 2010 measures 31,3 feet overall (2010), giving it roughly 8,3 additional feet of deck space compared to the Four Winns S215 2009 at 23,0 feet (2009). Weight tells a clearer story for trailering families: the Four Winns H310 2010 tips the scales at 8 360 lbs - 4 540 lbs more than the Four Winns S215 2009 at 3 820 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 Four Winns H310 2010 and 300 hp for the Four Winns S215 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. Fuel capacity breaks the other way: the Four Winns H310 2010 carries 130 gallons versus 35 gallons in the Four Winns S215 2009. 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 Four Winns H310 2010 is rated for 14 passengers, while the Four Winns S215 2009 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Four Winns H310 2010 could be the deciding factor.