The Campion Allante 705i SC 2011 vs Campion Allante A20 OB RB 2022 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 Allante 705i SC 2011 measures 26,2 feet overall (2011), giving it roughly 6,2 additional feet of deck space compared to the Campion Allante A20 OB RB 2022 at 20,0 feet (2022). Weight tells a clearer story for trailering families: the Campion Allante A20 OB RB 2022 tips the scales at 2 346 lbs — 1 891 lbs less than the Campion Allante 705i SC 2011 at 455 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.

Both boats share a closely matched power ceiling — 320 hp for the Campion Allante 705i SC 2011 and 300 hp for the Campion Allante A20 OB RB 2022. 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 Allante 705i SC 2011 carries 69 gallons versus 42 gallons in the Campion Allante A20 OB RB 2022. 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 Allante 705i SC 2011 is rated for 9 passengers, while the Campion Allante A20 OB RB 2022 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Campion Allante 705i SC 2011 could be the deciding factor.