When two boats share the same hull type — in this case both the Sylvan Adventurer 1700 DC 2009 and the Sylvan Adventurer Series - 1700 DC 2012 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 — Sylvan Adventurer 1700 DC 2009 at 17,0 ft versus Sylvan Adventurer Series - 1700 DC 2012 at 17,1 ft. Weight tells a clearer story for trailering families: the Sylvan Adventurer Series - 1700 DC 2012 tips the scales at 1 325 lbs — 1 203 lbs less than the Sylvan Adventurer 1700 DC 2009 at 122 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.
Both boats share a closely matched power ceiling — 135 hp for the Sylvan Adventurer 1700 DC 2009 and 140 hp for the Sylvan Adventurer Series - 1700 DC 2012. 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 — 24 gal and 24 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Sylvan Adventurer Series - 1700 DC 2012 is rated for 6 passengers, while the Sylvan Adventurer 1700 DC 2009 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sylvan Adventurer Series - 1700 DC 2012 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Sylvan Adventurer 1700 DC 2009 comes in at 1 lbs per hp versus 10 lbs per hp for the Sylvan Adventurer Series - 1700 DC 2012. 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: Choose the Sylvan Adventurer Series - 1700 DC 2012 if your priority is putting more people on the water — it handles 6 passengers and at 17,1 ft it has the deck room to back that rating up comfortably. The Sylvan Adventurer 1700 DC 2009 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.