The Campion 705i BR 2009 is a modified-V design and the Campion Chase 800i 2012 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 705i BR 2009 at 26,0 ft versus Campion Chase 800i 2012 at 28,2 ft. Weight tells a clearer story for trailering families: the Campion Chase 800i 2012 tips the scales at 4 855 lbs - 228 lbs less than the Campion 705i BR 2009 at 4 627 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 525 hp, the Campion Chase 800i 2012 has a 205-hp advantage over the Campion 705i BR 2009's 320-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 705i BR 2009 carries 69 gallons versus 63 gallons in the Campion Chase 800i 2012. 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 705i BR 2009 is rated for 9 passengers, while the Campion Chase 800i 2012 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Campion 705i BR 2009 could be the deciding factor.
Bottom line: Choose the Campion 705i BR 2009 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 Chase 800i 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.