Matching a tri-hull Tidewater Boats 1784 2012 against a modified vee Tidewater Boats 180CC Adventure 2011 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
On paper these two are close siblings in the size department — Tidewater Boats 1784 2012 at 17,3 ft versus Tidewater Boats 180CC Adventure 2011 at 17,7 ft. At 11 lbs and 15 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 115 hp, the Tidewater Boats 180CC Adventure 2011 has a 25-hp advantage over the Tidewater Boats 1784 2012's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Tidewater Boats 1784 2012 carries 19 gallons versus 4 gallons in the Tidewater Boats 180CC Adventure 2011. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
The Tidewater Boats 1784 2012 is rated for up to 5 people. Passenger data for the Tidewater Boats 180CC Adventure 2011 wasn't available.
At this size, power-to-weight ratio matters more than outright horsepower. The Tidewater Boats 180CC Adventure 2011 comes in at 0 lbs per hp versus 0 lbs per hp for the Tidewater Boats 1784 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: Performance buyers should lean toward the Tidewater Boats 180CC Adventure 2011 and its 115-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Tidewater Boats 1784 2012 with its 90-hp rating is the more economical daily driver.