When two boats share the same hull type — in this case both the Lund 1675 Impact Sport 2011 and the Lund 1800 Alaskan 2005 are modified vee 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 — Lund 1675 Impact Sport 2011 at 16,8 ft versus Lund 1800 Alaskan 2005 at 18,0 ft. Weight tells a clearer story for trailering families: the Lund 1675 Impact Sport 2011 tips the scales at 1 175 lbs — 1 076 lbs more than the Lund 1800 Alaskan 2005 at 99 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 — 90 hp for the Lund 1675 Impact Sport 2011 and 90 hp for the Lund 1800 Alaskan 2005. 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. Both carry nearly identical fuel loads — 19 gal and 19 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Lund 1800 Alaskan 2005 is rated for 7 passengers, while the Lund 1675 Impact Sport 2011 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Lund 1800 Alaskan 2005 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Lund 1800 Alaskan 2005 comes in at 1 lbs per hp versus 13 lbs per hp for the Lund 1675 Impact Sport 2011. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.