Detailed Evaluation & Buyer Recommendation
Sylvan 1700 Avenger DC 2005 vs Sylvan Castaway 8522 2006 — Same Brand, Different Boat
The Sylvan 1700 Avenger DC 2005 vs Sylvan Castaway 8522 2006 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 135 hp, the Sylvan 1700 Avenger DC 2005 has a 133-hp advantage over the Sylvan Castaway 8522 2006's 2-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sylvan 1700 Avenger DC 2005 carries 31 gallons versus 24 gallons in the Sylvan Castaway 8522 2006. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Sylvan Castaway 8522 2006 is rated for 14 passengers, while the Sylvan 1700 Avenger DC 2005 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sylvan Castaway 8522 2006 could be the deciding factor.
The Sylvan Castaway 8522 2006 is an inflatable design — lighter, easier to store, and quicker to launch from a beach or dock without a slipway. The Sylvan 1700 Avenger DC 2005 is a rigid hull, which typically offers a more confident ride in chop and easier maintenance over the long term.
Bottom line: Choose the Sylvan Castaway 8522 2006 if your priority is putting more people on the water — it handles 14 passengers and at 22,0 ft it has the deck room to back that rating up comfortably. The Sylvan 1700 Avenger DC 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
General Boat Info
Model1700 Avenger DC
ModelCastaway 8522
Model Year2005
Model Year2006
Measurements / Dimensions
Beam - Meters2.31
Beam - Meters2.59
Beam - Inches91
Beam - Inches102
Depth - Detail23 in
Depth - Detailnot available
Depth - Centimeters58.42
Depth - Centimetersnot available
Depth - Inches23
Depth - Inchesnot available
Width [transom] - Detail90 in
Width [transom] - Detailnot available
Height - Detail31 in
Height - Detailnot available
Height - Meters0.79
Height - Metersnot available
Height - Inches31
Height - Inchesnot available
Height [transom]LS
Height [transom]not available
Length - Feet17
Length - Feet22
Length overall - Detail17 ft. 0 in
Length overall - Detail22 ft. 3 in
Length overall - Meters5.18
Length overall - Meters6.78
Length overall - Inches204
Length overall - Inches267
Weight - Detailnot available
Weight - Detail1,950 lbs
Weight - kgnot available
Weight - kg884.5
Weight - lbs.not available
Weight - lbs.195
Length - Inchesnot available
Length - Inches3
Body / Hull
Hull thicknessBottom: 0.100 Side: 0.086 Rib: 0.1
Hull thicknessnot available
Engine and Drivetrain
Fuel tank capacity - Detail31 gal
Fuel tank capacity - Detail24 gal
Fuel tank capacity - Liters117.35
Fuel tank capacity - Liters90.85
Fuel tank capacity - Gal31
Fuel tank capacity - Gal24
Drive typeOutboard
Drive typeOutboard
Engine max135 hp
Engine max2 Tubes: 115 hp 3 Tubes: 150 hp
Fuel typenot available
Fuel typeGas
Pontoon and Inflatable Specific
Tube diameternot available
Tube diameter25 in
Tube gaugenot available
Tube gauge.080 in
Number of tubesnot available
Number of tubes2
Operational Info
Maximum capacitynot available
Maximum capacity2,200 lbs
Maximum peoplenot available
Maximum people14