The Eliminator 27 ft. Daytona Speedster 2011 is a catamaran design and the Eliminator 300 Eagle XP 2013 is a modified-V 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.
On paper these two are close siblings in the size department - Eliminator 27 ft. Daytona Speedster 2011 at 27,0 ft versus Eliminator 300 Eagle XP 2013 at 29,0 ft. Weight tells a clearer story for trailering families: the Eliminator 300 Eagle XP 2013 tips the scales at 5 800 lbs - 2 300 lbs less than the Eliminator 27 ft. Daytona Speedster 2011 at 3 500 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 are rated for 6 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: The Eliminator 300 Eagle XP 2013 at 29,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Eliminator 27 ft. Daytona Speedster 2011 at 27,0 ft wins on trailering ease, likely lower purchase price, and simpler docking - a solid choice for a buyer who wants more boat for less money.