When two boats share the same hull type — in this case both the Pursuit OS 315 2009 and the Pursuit S 280 2010 are deep vee designs with fiberglass 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?

Size is the most obvious dividing line here. The Pursuit OS 315 2009 measures 32,7 feet overall (2009), giving it roughly 4,7 additional feet of deck space compared to the Pursuit S 280 2010 at 28,0 feet (2010). Weight tells a clearer story for trailering families: the Pursuit OS 315 2009 tips the scales at 11 015 lbs — 2 770 lbs more than the Pursuit S 280 2010 at 8 245 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 — 500 hp for the Pursuit OS 315 2009 and 500 hp for the Pursuit S 280 2010. 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 Pursuit OS 315 2009 carries 284 gallons versus 22 gallons in the Pursuit S 280 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 Pursuit OS 315 2009 is rated for 9 passengers, while the Pursuit S 280 2010 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Pursuit OS 315 2009 could be the deciding factor.