The Premier Boats Castaway 231 2006 vs Premier Boats SunSpree 220 Cruise 2010 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 — Premier Boats Castaway 231 2006 at 24,0 ft versus Premier Boats SunSpree 220 Cruise 2010 at 22,0 ft. At 235 lbs and 185 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 120 hp, the Premier Boats Castaway 231 2006 has a 30-hp advantage over the Premier Boats SunSpree 220 Cruise 2010's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
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 Premier Boats Castaway 231 2006 and its 120-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Premier Boats SunSpree 220 Cruise 2010 with its 90-hp rating is the more economical daily driver.