The Campion 682i SC 2005 vs Campion LS 705i SC 2007 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 LS 705i SC 2007 measures 26,0 feet overall (2007), giving it roughly 4,0 additional feet of deck space compared to the Campion 682i SC 2005 at 22,0 feet (2005). At 4 570 lbs and 4 550 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.
Both boats share a closely matched power ceiling - 320 hp for the Campion 682i SC 2005 and 320 hp for the Campion LS 705i SC 2007. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Campion 682i SC 2005 carries 104 gallons versus 69 gallons in the Campion LS 705i SC 2007. 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 LS 705i SC 2007 is rated for 9 passengers, while the Campion 682i SC 2005 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Campion LS 705i SC 2007 could be the deciding factor.
Bottom line: Choose the Campion LS 705i SC 2007 if your priority is putting more people on the water - it handles 9 passengers and at 26,0 ft it has the deck room to back that rating up comfortably. The Campion 682i SC 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.