The Campion Allante 505i 2013 vs Campion S 565i SC 2005 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.

On paper these two are close siblings in the size department — Campion Allante 505i 2013 at 17,1 ft versus Campion S 565i SC 2005 at 19,0 ft. Weight tells a clearer story for trailering families: the Campion Allante 505i 2013 tips the scales at 1 978 lbs — 1 953 lbs more than the Campion S 565i SC 2005 at 25 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 285 hp, the Campion S 565i SC 2005 has a 160-hp advantage over the Campion Allante 505i 2013's 125-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 S 565i SC 2005 carries 28 gallons versus 24 gallons in the Campion Allante 505i 2013. 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 505i 2013 is rated for 6 passengers, while the Campion S 565i SC 2005 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Campion Allante 505i 2013 could be the deciding factor.