The Eliminator 28 ft. Daytona Speedster 2009 is a catamaran design and the Eliminator 300 Eagle XP 2011 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 28 ft. Daytona Speedster 2009 at 28,5 ft versus Eliminator 300 Eagle XP 2011 at 29,0 ft. Weight tells a clearer story for trailering families: the Eliminator 28 ft. Daytona Speedster 2009 tips the scales at 6 500 lbs - 700 lbs more than the Eliminator 300 Eagle XP 2011 at 5 800 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 28 ft. Daytona Speedster 2009 and Eliminator 300 Eagle XP 2011 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.