When two boats share the same hull type — in this case both the Avalon Somerset 20 ft. 2009 and the Avalon Windjammer 24 ft. 2010 are pontoon 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?

Size is the most obvious dividing line here. The Avalon Windjammer 24 ft. 2010 measures 24,0 feet overall (2010), giving it roughly 22,0 additional feet of deck space compared to the Avalon Somerset 20 ft. 2009 at 2,0 feet (2009). At 18 lbs and 22 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.

Both boats share a closely matched power ceiling — 115 hp for the Avalon Somerset 20 ft. 2009 and 130 hp for the Avalon Windjammer 24 ft. 2010. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Avalon Somerset 20 ft. 2009 carries 36 gallons versus 24 gallons in the Avalon Windjammer 24 ft. 2010. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Avalon Windjammer 24 ft. 2010 is rated for 11 passengers, while the Avalon Somerset 20 ft. 2009 caps at 10. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Avalon Windjammer 24 ft. 2010 could be the deciding factor.

Both are 2-tube and 2-tube pontoon designs respectively. Tube diameter and gauge affect stability and load capacity — more so than most buyers realize when comparing on paper.