When two boats share the same hull type — in this case both the Nautic Star 230 DC O/B Sport Deck 2010 and the Nautic Star 252 SL I/O Sport Deck 2009 are modified vee designs with composite 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?
On paper these two are close siblings in the size department — Nautic Star 230 DC O/B Sport Deck 2010 at 23,0 ft versus Nautic Star 252 SL I/O Sport Deck 2009 at 25,0 ft. Weight tells a clearer story for trailering families: the Nautic Star 252 SL I/O Sport Deck 2009 tips the scales at 395 lbs — 368 lbs less than the Nautic Star 230 DC O/B Sport Deck 2010 at 27 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.
The power gap is worth calling out. Rated to 320 hp, the Nautic Star 252 SL I/O Sport Deck 2009 has a 70-hp advantage over the Nautic Star 230 DC O/B Sport Deck 2010's 250-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 66 gal and 66 gal — so range won't be a tiebreaker here.
Both boats are rated for 12 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: Performance buyers should lean toward the Nautic Star 252 SL I/O Sport Deck 2009 and its 320-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Nautic Star 230 DC O/B Sport Deck 2010 with its 250-hp rating is the more economical daily driver.