When two boats share the same hull type — in this case both the Sweetwater SW 186 F 2013 and the Sweetwater SW 1880 2013 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?

On paper these two are close siblings in the size department — Sweetwater SW 186 F 2013 at 18,0 ft versus Sweetwater SW 1880 2013 at 18,3 ft. Weight tells a clearer story for trailering families: the Sweetwater SW 1880 2013 tips the scales at 2 058 lbs — 179 lbs less than the Sweetwater SW 186 F 2013 at 1 879 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.

Both boats share a closely matched power ceiling — 60 hp for the Sweetwater SW 186 F 2013 and 65 hp for the Sweetwater SW 1880 2013. 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 Sweetwater SW 1880 2013 carries 21 gallons versus 11 gallons in the Sweetwater SW 186 F 2013. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 9 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.