When two boats share the same hull type — in this case both the Checkmate ZT 240 2009 and the Checkmate ZT 280 2011 are deep vee designs with fiberglass construction — 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?
Size is the most obvious dividing line here. The Checkmate ZT 280 2011 measures 28,1 feet overall (2011), giving it roughly 4,1 additional feet of deck space compared to the Checkmate ZT 240 2009 at 24,0 feet (2009). At 36 lbs and 49 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
Both boats share a closely matched power ceiling — 425 hp for the Checkmate ZT 240 2009 and 425 hp for the Checkmate ZT 280 2011. 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 — 75 gal and 75 gal — so range won't be a tiebreaker here.
Bottom line: The Checkmate ZT 280 2011 at 28,1 ft is the right call if deck space, comfort, and entertaining are top of your list. The Checkmate ZT 240 2009 at 24,0 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.