When two boats share the same hull type — in this case both the SunChaser 820 4-PT. Fish 2011 and the SunChaser Cruise 818 2013 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?
On paper these two are close siblings in the size department — SunChaser 820 4-PT. Fish 2011 at 20,3 ft versus SunChaser Cruise 818 2013 at 18,8 ft. At 185 lbs and 155 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 SunChaser Cruise 818 2013 tops out at 50 hp. Engine specs for the SunChaser 820 4-PT. Fish 2011 aren't listed — confirm with a dealer before selecting an outboard.
For family outings this is probably the sharpest distinction between the two. The SunChaser Cruise 818 2013 is rated for 8 passengers, while the SunChaser 820 4-PT. Fish 2011 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the SunChaser Cruise 818 2013 could be the deciding factor.
Bottom line: Choose the SunChaser Cruise 818 2013 if your priority is putting more people on the water — it handles 8 passengers and at 18,8 ft it has the deck room to back that rating up comfortably. The SunChaser 820 4-PT. Fish 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.