The Smoker Craft 1900 Sunship OB Fish 2005 vs Smoker Craft Ultima 172 2007 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 — Smoker Craft 1900 Sunship OB Fish 2005 at 18,0 ft versus Smoker Craft Ultima 172 2007 at 17,0 ft. At 172 lbs and 133 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 180 hp, the Smoker Craft 1900 Sunship OB Fish 2005 has a 45-hp advantage over the Smoker Craft Ultima 172 2007's 135-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Smoker Craft Ultima 172 2007 carries 24 gallons versus 3 gallons in the Smoker Craft 1900 Sunship OB Fish 2005. 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 Smoker Craft Ultima 172 2007 is rated for 6 passengers, while the Smoker Craft 1900 Sunship OB Fish 2005 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Smoker Craft Ultima 172 2007 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Smoker Craft Ultima 172 2007 comes in at 1 lbs per hp versus 1 lbs per hp for the Smoker Craft 1900 Sunship OB Fish 2005. 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 Smoker Craft Ultima 172 2007 if your priority is putting more people on the water — it handles 6 passengers and at 17,0 ft it has the deck room to back that rating up comfortably. The Smoker Craft 1900 Sunship OB Fish 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.