When two boats share the same hull type — in this case both the Azure Marine AZ 230 OB 2009 and the Azure Marine AZ 278 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?
On paper these two are close siblings in the size department — Azure Marine AZ 230 OB 2009 at 25,0 ft versus Azure Marine AZ 278 2010 at 27,0 ft. Weight tells a clearer story for trailering families: the Azure Marine AZ 230 OB 2009 tips the scales at 3 722 lbs — 3 206 lbs more than the Azure Marine AZ 278 2010 at 516 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 425 hp, the Azure Marine AZ 278 2010 has a 175-hp advantage over the Azure Marine AZ 230 OB 2009's 250-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Azure Marine AZ 278 2010 carries 68 gallons versus 55 gallons in the Azure Marine AZ 230 OB 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 Azure Marine AZ 278 2010 is rated for 14 passengers, while the Azure Marine AZ 230 OB 2009 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Azure Marine AZ 278 2010 could be the deciding factor.
Bottom line: Choose the Azure Marine AZ 278 2010 if your priority is putting more people on the water — it handles 14 passengers and at 27,0 ft it has the deck room to back that rating up comfortably. The Azure Marine AZ 230 OB 2009 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.