When two boats share the same hull type — in this case both the Champion Boats 186 Coastal 2010 and the Champion Boats 22 Bay 2009 are modified vee designs with composite construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

Size is the most obvious dividing line here. The Champion Boats 22 Bay 2009 measures 22,0 feet overall (2009), giving it roughly 3,5 additional feet of deck space compared to the Champion Boats 186 Coastal 2010 at 18,5 feet (2010). Weight tells a clearer story for trailering families: the Champion Boats 22 Bay 2009 tips the scales at 225 lbs — 206 lbs less than the Champion Boats 186 Coastal 2010 at 19 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 250 hp, the Champion Boats 22 Bay 2009 has a 50-hp advantage over the Champion Boats 186 Coastal 2010's 200-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Champion Boats 186 Coastal 2010 carries 32 gallons versus 9 gallons in the Champion Boats 22 Bay 2009. 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 Champion Boats 186 Coastal 2010 is rated for 9 passengers, while the Champion Boats 22 Bay 2009 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Champion Boats 186 Coastal 2010 could be the deciding factor.