When two boats share the same hull type — in this case both the Duckworth 22 Ultra Magnum Inboard Jet 2009 and the Duckworth 23 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 22 Ultra Magnum Inboard Jet 2009 at 22,0 ft versus Duckworth 23 2011 at 23,0 ft. At 331 lbs and 361 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 23 2011 is rated for 7 passengers, while the Duckworth 22 Ultra Magnum Inboard Jet 2009 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Duckworth 23 2011 could be the deciding factor.
Bottom line: Choose the Duckworth 23 2011 if your priority is putting more people on the water — it handles 7 passengers and at 23,0 ft it has the deck room to back that rating up comfortably. The Duckworth 22 Ultra Magnum Inboard Jet 2009 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.