When two boats share the same hull type — in this case both the War Eagle 436F 2011 and the War Eagle 648 DV 2005 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?
Both boats share a closely matched power ceiling — 20 hp for the War Eagle 436F 2011 and 40 hp for the War Eagle 648 DV 2005. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.
Both boats are rated for 4 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 War Eagle 648 DV 2005 and its 40-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the War Eagle 436F 2011 with its 20-hp rating is the more economical daily driver.