The Starcraft Marine 180 2010 is a modified-V design and the Starcraft Marine 276 RE 2010 is a pontoon 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.
Size is the most obvious dividing line here. The Starcraft Marine 276 RE 2010 measures 27,3 feet overall (2010), giving it roughly 8,7 additional feet of deck space compared to the Starcraft Marine 180 2010 at 18,6 feet (2010). Weight tells a clearer story for trailering families: the Starcraft Marine 276 RE 2010 tips the scales at 2 750 lbs - 1 394 lbs less than the Starcraft Marine 180 2010 at 1 356 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 - 200 hp for the Starcraft Marine 180 2010 and 200 hp for the Starcraft Marine 276 RE 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. Both carry nearly identical fuel loads - 32 gal and 35 gal - so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Starcraft Marine 276 RE 2010 is rated for 18 passengers, while the Starcraft Marine 180 2010 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Starcraft Marine 276 RE 2010 could be the deciding factor.
Bottom line: Choose the Starcraft Marine 276 RE 2010 if your priority is putting more people on the water - it handles 18 passengers and at 27,3 ft it has the deck room to back that rating up comfortably. The Starcraft Marine 180 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 9 that costs less to run day-to-day.