The Stabicraft 1750 Frontier 2012 is a modified-V design and the Stabicraft 1850 Fisher 2011 is a pontoon design, so you're likely deciding between two noticeably different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
On paper these two are close siblings in the size department - Stabicraft 1750 Frontier 2012 at 17,5 ft versus Stabicraft 1850 Fisher 2011 at 18,4 ft. Weight tells a clearer story for trailering families: the Stabicraft 1850 Fisher 2011 tips the scales at 2 094 lbs - 276 lbs less than the Stabicraft 1750 Frontier 2012 at 1 818 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 115 hp, the Stabicraft 1850 Fisher 2011 has a 25-hp advantage over the Stabicraft 1750 Frontier 2012's 90-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
Both boats are rated for 6 passengers - a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: Performance buyers should lean toward the Stabicraft 1850 Fisher 2011 and its 115-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Stabicraft 1750 Frontier 2012 with its 90-hp rating is the more economical daily driver.