Both the Checkmate Convincor 2800 OBX 2010 and the Checkmate Convincor 300 2013 are deep-V designs, both built in fibreglass, so 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 - Checkmate Convincor 2800 OBX 2010 at 27,9 ft versus Checkmate Convincor 300 2013 at 29,7 ft. Weight tells a clearer story for trailering families: the Checkmate Convincor 300 2013 tips the scales at 5 300 lbs - 1 000 lbs less than the Checkmate Convincor 2800 OBX 2010 at 4 300 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 Checkmate Convincor 2800 OBX 2010 is rated for up to 8 people. Passenger data for the Checkmate Convincor 300 2013 wasn't available.
Bottom line: The Checkmate Convincor 2800 OBX 2010 and Checkmate Convincor 300 2013 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.