Matching a deep vee Duckworth 18 2011 against a modified vee Duckworth Pro 721 2013 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 18 2011 at 18,0 ft versus Duckworth Pro 721 2013 at 21,0 ft. Weight tells a clearer story for trailering families: the Duckworth 18 2011 tips the scales at 2 375 lbs — 2 359 lbs more than the Duckworth Pro 721 2013 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 18 2011 carries a rated maximum of 115 hp. Engine data for the Duckworth Pro 721 2013 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Both carry nearly identical fuel loads — 42 gal and 42 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Duckworth Pro 721 2013 is rated for 6 passengers, while the Duckworth 18 2011 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Duckworth Pro 721 2013 could be the deciding factor.
Bottom line: Choose the Duckworth Pro 721 2013 if your priority is putting more people on the water — it handles 6 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Duckworth 18 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.