The Starcraft Marine C-Star 1600 OB 2006 vs Starcraft Marine Limited 2018 I/O 2011 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.
Size is the most obvious dividing line here. The Starcraft Marine Limited 2018 I/O 2011 measures 20,2 feet overall (2011), giving it roughly 5,2 additional feet of deck space compared to the Starcraft Marine C-Star 1600 OB 2006 at 15,0 feet (2006). Weight tells a clearer story for trailering families: the Starcraft Marine Limited 2018 I/O 2011 tips the scales at 1 995 lbs - 575 lbs less than the Starcraft Marine C-Star 1600 OB 2006 at 1 420 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 220 hp, the Starcraft Marine Limited 2018 I/O 2011 has a 130-hp advantage over the Starcraft Marine C-Star 1600 OB 2006's 90-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Starcraft Marine Limited 2018 I/O 2011 carries 30 gallons versus 23 gallons in the Starcraft Marine C-Star 1600 OB 2006. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Starcraft Marine Limited 2018 I/O 2011 is rated for 8 passengers, while the Starcraft Marine C-Star 1600 OB 2006 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Starcraft Marine Limited 2018 I/O 2011 could be the deciding factor.
Bottom line: Choose the Starcraft Marine Limited 2018 I/O 2011 if your priority is putting more people on the water - it handles 8 passengers and at 20,2 ft it has the deck room to back that rating up comfortably. The Starcraft Marine C-Star 1600 OB 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.