When two boats share the same hull type — in this case both the Triton Boats 170 DS SC 2009 and the Triton Boats 170 DS SC 2010 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?
On paper these two are close siblings in the size department — Triton Boats 170 DS SC 2009 at 17,0 ft versus Triton Boats 170 DS SC 2010 at 17,0 ft. At 925 lbs and 925 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.
The power gap is worth calling out. Rated to 75 hp, the Triton Boats 170 DS SC 2009 has a 25-hp advantage over the Triton Boats 170 DS SC 2010's 50-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.
At this size, power-to-weight ratio matters more than outright horsepower. The Triton Boats 170 DS SC 2009 comes in at 12 lbs per hp versus 19 lbs per hp for the Triton Boats 170 DS SC 2010. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.
Bottom line: Performance buyers should lean toward the Triton Boats 170 DS SC 2009 and its 75-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Triton Boats 170 DS SC 2010 with its 50-hp rating is the more economical daily driver.