Both the Seaway Boats 18 Sportsman 2012 and the Seaway Boats 24 Seafarer 2011 are deep-V designs, the first built in fibreglass and the second in composite, so 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 Seaway Boats 24 Seafarer 2011 measures 24,0 feet overall (2011), giving it roughly 6,0 additional feet of deck space compared to the Seaway Boats 18 Sportsman 2012 at 18,0 feet (2012). Weight tells a clearer story for trailering families: the Seaway Boats 24 Seafarer 2011 tips the scales at 3 700 lbs - 2 600 lbs less than the Seaway Boats 18 Sportsman 2012 at 1 100 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 Seaway Boats 24 Seafarer 2011 tops out at 175 hp. Engine specs for the Seaway Boats 18 Sportsman 2012 aren't listed - confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Seaway Boats 24 Seafarer 2011 carries 74 gallons versus 40 gallons in the Seaway Boats 18 Sportsman 2012. 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 Seaway Boats 24 Seafarer 2011 is rated for 7 passengers, while the Seaway Boats 18 Sportsman 2012 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Seaway Boats 24 Seafarer 2011 could be the deciding factor.