When two boats share the same hull type — in this case both the Duckworth 19 2010 and the Duckworth 21 2011 are deep 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 — Duckworth 19 2010 at 19,0 ft versus Duckworth 21 2011 at 21,0 ft. At 25 lbs and 28 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.

For family outings this is probably the sharpest distinction between the two. The Duckworth 21 2011 is rated for 6 passengers, while the Duckworth 19 2010 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Duckworth 21 2011 could be the deciding factor.