The Sylvan 820 Mirage Cruise RE 2005 vs Sylvan Expedition Sport 1700 DC 2011 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 Sylvan Expedition Sport 1700 DC 2011 measures 17,1 feet overall (2011), giving it roughly 15,1 additional feet of deck space compared to the Sylvan 820 Mirage Cruise RE 2005 at 2,0 feet (2005). Weight tells a clearer story for trailering families: the Sylvan Expedition Sport 1700 DC 2011 tips the scales at 1 325 lbs — 1 163 lbs less than the Sylvan 820 Mirage Cruise RE 2005 at 162 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 140 hp, the Sylvan Expedition Sport 1700 DC 2011 has a 65-hp advantage over the Sylvan 820 Mirage Cruise RE 2005's 75-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 24 gal and 24 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Sylvan 820 Mirage Cruise RE 2005 is rated for 12 passengers, while the Sylvan Expedition Sport 1700 DC 2011 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sylvan 820 Mirage Cruise RE 2005 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Sylvan 820 Mirage Cruise RE 2005 comes in at 2 lbs per hp versus 10 lbs per hp for the Sylvan Expedition Sport 1700 DC 2011. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.