When two boats share the same hull type — in this case both the Lund 1850 Tyee Magnum 2006 and the Lund SSV 18 Tiller 2007 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 1850 Tyee Magnum 2006 at 18,0 ft versus Lund SSV 18 Tiller 2007 at 18,0 ft. At 18 lbs and 46 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 200 hp, the Lund 1850 Tyee Magnum 2006 has a 140-hp advantage over the Lund SSV 18 Tiller 2007's 60-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Lund 1850 Tyee Magnum 2006 is rated for 8 passengers, while the Lund SSV 18 Tiller 2007 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Lund 1850 Tyee Magnum 2006 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Lund 1850 Tyee Magnum 2006 comes in at 0 lbs per hp versus 1 lbs per hp for the Lund SSV 18 Tiller 2007. 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.
Bottom line: Choose the Lund 1850 Tyee Magnum 2006 if your priority is putting more people on the water — it handles 8 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Lund SSV 18 Tiller 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.