Both the Checkmate Convincor 270 2013 and the Checkmate ZT 240 2011 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 270 2013 at 27,0 ft versus Checkmate ZT 240 2011 at 24,1 ft. Weight tells a clearer story for trailering families: the Checkmate Convincor 270 2013 tips the scales at 4 000 lbs - 400 lbs more than the Checkmate ZT 240 2011 at 3 600 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 ZT 240 2011 tops out at 425 hp. Engine specs for the Checkmate Convincor 270 2013 aren't listed - confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads - 75 gal and 75 gal - so range won't be a tiebreaker here.
Bottom line: The Checkmate Convincor 270 2013 at 27,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Checkmate ZT 240 2011 at 24,1 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.