When two boats share the same hull type — in this case both the Weld-Craft 1860 DSV Bass 2007 and the Weld-Craft CLT 56 (17 ft.) 2008 are flat designs with aluminum 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?
The power gap is worth calling out. Rated to 150 hp, the Weld-Craft 1860 DSV Bass 2007 has a 110-hp advantage over the Weld-Craft CLT 56 (17 ft.) 2008's 40-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
Both boats are rated for 5 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: Performance buyers should lean toward the Weld-Craft 1860 DSV Bass 2007 and its 150-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Weld-Craft CLT 56 (17 ft.) 2008 with its 40-hp rating is the more economical daily driver.