The Weldcraft Marine 186 2010 vs Weldcraft Marine 20 Renegade - I/B 2007 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 Weldcraft Marine 186 2010 measures 18,5 feet overall (2010), giving it roughly 16,5 additional feet of deck space compared to the Weldcraft Marine 20 Renegade - I/B 2007 at 2,0 feet (2007). Weight tells a clearer story for trailering families: the Weldcraft Marine 186 2010 tips the scales at 174 lbs — 149 lbs more than the Weldcraft Marine 20 Renegade - I/B 2007 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 200 hp, the Weldcraft Marine 186 2010 has a 50-hp advantage over the Weldcraft Marine 20 Renegade - I/B 2007's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Weldcraft Marine 20 Renegade - I/B 2007 carries 62 gallons versus 42 gallons in the Weldcraft Marine 186 2010. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Both boats are rated for 6 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: The Weldcraft Marine 186 2010 at 18,5 ft is the right call if deck space, comfort, and entertaining are top of your list. The Weldcraft Marine 20 Renegade - I/B 2007 at 2,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.