When two boats share the same hull type — in this case both the Triton Boats 1546 DS 2010 and the Triton Boats 18X2 2009 are modified vee designs with aluminum 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?
The Triton Boats 18X2 2009 tops out at 175 hp. Engine specs for the Triton Boats 1546 DS 2010 aren't listed — confirm with a dealer before selecting an outboard.
Bottom line: The Triton Boats 18X2 2009 at 18,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Triton Boats 1546 DS 2010 at 15,0 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.