Both the Blue Water Image 2008 and the Blue Water Mirage 2009 are modified-V designs, both built in fibreglass, so 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?
On paper these two are close siblings in the size department - Blue Water Image 2008 at 19,0 ft versus Blue Water Mirage 2009 at 20,0 ft. At 2 450 lbs and 2 500 lbs respectively, both sit in a similar weight class - either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The power gap is worth calling out. Rated to 320 hp, the Blue Water Mirage 2009 has a 95-hp advantage over the Blue Water Image 2008's 225-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Blue Water Mirage 2009 carries 30 gallons versus 25 gallons in the Blue Water Image 2008. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Both boats are rated for 7 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 Blue Water Mirage 2009 and its 320-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Blue Water Image 2008 with its 225-hp rating is the more economical daily driver.