The Sea Pro 170 2004 vs Sea Pro SV1900CC 2005 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.
The power gap is worth calling out. Rated to 150 hp, the Sea Pro SV1900CC 2005 has a 35-hp advantage over the Sea Pro 170 2004's 115-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sea Pro SV1900CC 2005 carries 54 gallons versus 2 gallons in the Sea Pro 170 2004. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
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 Sea Pro SV1900CC 2005 and its 150-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Sea Pro 170 2004 with its 115-hp rating is the more economical daily driver.