Matching a modified vee Duckworth 721 2011 against a deep vee Duckworth Pacific Navigator Sport 18 2012 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 — Duckworth 721 2011 at 21,0 ft versus Duckworth Pacific Navigator Sport 18 2012 at 20,3 ft. Weight tells a clearer story for trailering families: the Duckworth Pacific Navigator Sport 18 2012 tips the scales at 1 455 lbs — 1 439 lbs less than the Duckworth 721 2011 at 16 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.
The Duckworth Pacific Navigator Sport 18 2012 tops out at 115 hp. Engine specs for the Duckworth 721 2011 aren't listed — confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads — 42 gal and 42 gal — so range won't be a tiebreaker here.
Both boats are rated for 6 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.
Bottom line: The Duckworth 721 2011 and Duckworth Pacific Navigator Sport 18 2012 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.