The Campion 602i SC 2005 vs Campion Allante 485 BR 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.
Size is the most obvious dividing line here. The Campion 602i SC 2005 measures 20,0 feet overall (2005), giving it roughly 3,9 additional feet of deck space compared to the Campion Allante 485 BR 2010 at 16,1 feet (2010). Weight tells a clearer story for trailering families: the Campion 602i SC 2005 tips the scales at 3 700 lbs - 2 760 lbs more than the Campion Allante 485 BR 2010 at 940 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 270 hp, the Campion 602i SC 2005 has a 180-hp advantage over the Campion Allante 485 BR 2010'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 Campion 602i SC 2005 carries 60 gallons versus 13 gallons in the Campion Allante 485 BR 2010. 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 Campion 602i SC 2005 is rated for 6 passengers, while the Campion Allante 485 BR 2010 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Campion 602i SC 2005 could be the deciding factor.
Bottom line: Choose the Campion 602i SC 2005 if your priority is putting more people on the water - it handles 6 passengers and at 20,0 ft it has the deck room to back that rating up comfortably. The Campion Allante 485 BR 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.