When two boats share the same hull type — in this case both the Premier Boats Cast-A-Way 231 2007 and the Premier Boats SunSation 210 RE 2009 are pontoon 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 Premier Boats Cast-A-Way 231 2007 measures 23,0 feet overall (2007), giving it roughly 21,0 additional feet of deck space compared to the Premier Boats SunSation 210 RE 2009 at 2,0 feet (2009). At 235 lbs and 235 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 140 hp, the Premier Boats Cast-A-Way 231 2007 has a 40-hp advantage over the Premier Boats SunSation 210 RE 2009's 100-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Premier Boats Cast-A-Way 231 2007 carries 28 gallons versus 3 gallons in the Premier Boats SunSation 210 RE 2009. 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: The Premier Boats Cast-A-Way 231 2007 at 23,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Premier Boats SunSation 210 RE 2009 at 2,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.