The Lund 1648 Jon Boat 2021 vs Lund U1756 2005 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.
On paper these two are close siblings in the size department — Lund 1648 Jon Boat 2021 at 15,8 ft versus Lund U1756 2005 at 17,0 ft. Weight tells a clearer story for trailering families: the Lund 1648 Jon Boat 2021 tips the scales at 275 lbs — 201 lbs more than the Lund U1756 2005 at 74 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 Lund U1756 2005 tops out at 55 hp. Engine specs for the Lund 1648 Jon Boat 2021 aren't listed — confirm with a dealer before selecting an outboard.
For family outings this is probably the sharpest distinction between the two. The Lund U1756 2005 is rated for 5 passengers, while the Lund 1648 Jon Boat 2021 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Lund U1756 2005 could be the deciding factor.
The Lund 1648 Jon Boat 2021 is trailerable — a genuine lifestyle advantage at this size. The Lund U1756 2005 isn't listed as trailerable, which may mean a permanent berth or mooring is required.
Bottom line: Choose the Lund U1756 2005 if your priority is putting more people on the water — it handles 5 passengers and at 17,0 ft it has the deck room to back that rating up comfortably. The Lund 1648 Jon Boat 2021 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.