The Cape Horn 21 2007 vs Cape Horn 23 Tournament 2006 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
Size is the most obvious dividing line here. The Cape Horn 23 Tournament 2006 measures 25,0 feet overall (2006), giving it roughly 4,0 additional feet of deck space compared to the Cape Horn 21 2007 at 21,0 feet (2007). At 28 lbs and 37 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.
The power gap is worth calling out. Rated to 400 hp, the Cape Horn 23 Tournament 2006 has a 100-hp advantage over the Cape Horn 21 2007's 300-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Cape Horn 21 2007 carries 129 gallons versus 18 gallons in the Cape Horn 23 Tournament 2006. 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 Cape Horn 23 Tournament 2006 is rated for 7 passengers, while the Cape Horn 21 2007 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Cape Horn 23 Tournament 2006 could be the deciding factor.
Bottom line: Choose the Cape Horn 23 Tournament 2006 if your priority is putting more people on the water — it handles 7 passengers and at 25,0 ft it has the deck room to back that rating up comfortably. The Cape Horn 21 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.