When two boats share the same hull type — in this case both the Mariah G23 2009 and the Mariah SC25 Cuddy Cabin 2008 are modified vee designs with fiberglass 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 — Mariah G23 2009 at 23,0 ft versus Mariah SC25 Cuddy Cabin 2008 at 25,0 ft. Weight tells a clearer story for trailering families: the Mariah SC25 Cuddy Cabin 2008 tips the scales at 425 lbs — 380 lbs less than the Mariah G23 2009 at 45 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 425 hp, the Mariah SC25 Cuddy Cabin 2008 has a 105-hp advantage over the Mariah G23 2009's 320-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Mariah G23 2009 carries 57 gallons versus 9 gallons in the Mariah SC25 Cuddy Cabin 2008. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Both boats are rated for 12 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 Mariah SC25 Cuddy Cabin 2008 and its 425-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Mariah G23 2009 with its 320-hp rating is the more economical daily driver.