When two boats share the same hull type — in this case both the Triton Boats 170 CC 2009 and the Triton Boats JT-17 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 power gap is worth calling out. Rated to 90 hp, the Triton Boats 170 CC 2009 has a 25-hp advantage over the Triton Boats JT-17 2009's 65-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

Both boats are rated for 4 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.