The Bayliner 180 OB 2010 vs Bayliner 219 2006 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 — Bayliner 180 OB 2010 at 18,0 ft versus Bayliner 219 2006 at 21,0 ft. Weight tells a clearer story for trailering families: the Bayliner 219 2006 tips the scales at 3 302 lbs — 1 424 lbs less than the Bayliner 180 OB 2010 at 1 878 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 260 hp, the Bayliner 219 2006 has a 135-hp advantage over the Bayliner 180 OB 2010'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 Bayliner 219 2006 carries 55 gallons versus 23 gallons in the Bayliner 180 OB 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 Bayliner 180 OB 2010 is rated for 7 passengers, while the Bayliner 219 2006 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Bayliner 180 OB 2010 could be the deciding factor.