The Campion Allante 705i BR 2010 is a modified-V design and the Campion Explorer 682i SC 2013 is a deep-V design, so you're likely deciding between two noticeably different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
On paper these two are close siblings in the size department - Campion Allante 705i BR 2010 at 26,2 ft versus Campion Explorer 682i SC 2013 at 25,7 ft. At 4 627 lbs and 4 570 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 Allante 705i BR 2010 and 320 hp for the Campion Explorer 682i SC 2013. 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 Explorer 682i SC 2013 carries 104 gallons versus 69 gallons in the Campion Allante 705i 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 Explorer 682i SC 2013 is rated for 10 passengers, while the Campion Allante 705i BR 2010 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Campion Explorer 682i SC 2013 could be the deciding factor.
Bottom line: Choose the Campion Explorer 682i SC 2013 if your priority is putting more people on the water - it handles 10 passengers and at 25,7 ft it has the deck room to back that rating up comfortably. The Campion Allante 705i BR 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 9 that costs less to run day-to-day.