When two boats share the same hull type — in this case both the Smoker Craft Pro Mag 140 2007 and the Smoker Craft Ultima 172 2011 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?

Size is the most obvious dividing line here. The Smoker Craft Ultima 172 2011 measures 17,2 feet overall (2011), giving it roughly 3,2 additional feet of deck space compared to the Smoker Craft Pro Mag 140 2007 at 14,0 feet (2007). Weight tells a clearer story for trailering families: the Smoker Craft Pro Mag 140 2007 tips the scales at 475 lbs — 342 lbs more than the Smoker Craft Ultima 172 2011 at 133 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 power gap is worth calling out. Rated to 140 hp, the Smoker Craft Ultima 172 2011 has a 105-hp advantage over the Smoker Craft Pro Mag 140 2007's 35-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 Smoker Craft Ultima 172 2011 is rated for 6 passengers, while the Smoker Craft Pro Mag 140 2007 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Smoker Craft Ultima 172 2011 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Smoker Craft Ultima 172 2011 comes in at 1 lbs per hp versus 14 lbs per hp for the Smoker Craft Pro Mag 140 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.