Detailed Evaluation & Buyer Recommendation
Sylvan 1700 Avenger SC 2004 vs Sylvan 8520 Party Fish 4.0 - IN STOCK 2022 — Same Brand, Different Boat
The Sylvan 1700 Avenger SC 2004 vs Sylvan 8520 Party Fish 4.0 - IN STOCK 2022 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 Sylvan 1700 Avenger SC 2004 carries a rated maximum of 135 hp. Engine data for the Sylvan 8520 Party Fish 4.0 - IN STOCK 2022 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.
For family outings this is probably the sharpest distinction between the two. The Sylvan 8520 Party Fish 4.0 - IN STOCK 2022 is rated for 6 passengers, while the Sylvan 1700 Avenger SC 2004 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sylvan 8520 Party Fish 4.0 - IN STOCK 2022 could be the deciding factor.
Bottom line: Choose the Sylvan 8520 Party Fish 4.0 - IN STOCK 2022 if your priority is putting more people on the water — it handles 6 passengers and at 20,0 ft it has the deck room to back that rating up comfortably. The Sylvan 1700 Avenger SC 2004 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
MakeSylvan
Makenot available
Model1700 Avenger SC
Modelnot available
Model Year2004
Model Yearnot available
Measurements / Dimensions
Beam91 in
Beamnot available
Beam - Meters2.31
Beam - Metersnot available
Beam - Inches91
Beam - Inchesnot available
Depth - Detail23 in
Depth - Detailnot available
Depth - Centimeters58.42
Depth - Centimetersnot available
Depth - Inches23
Depth - Inchesnot available
Weight - Detail1125 lbs
Weight - Detailnot available
Weight - kg510.29
Weight - kgnot available
Weight - lbs.1125
Weight - lbs.not 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 overall - Detail17 ft
Length overall - Detail20.00 ft
Length overall - Meters5.18
Length overall - Meters6.1
Length overall - Inches204
Length overall - Inches240
Length - Feetnot available
Length - Feet20
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 - Detailnot available
Fuel tank capacity - Liters117.35
Fuel tank capacity - Litersnot available
Fuel tank capacity - Gal31
Fuel tank capacity - Galnot available
Engine max135 hp
Engine maxnot available
Fuel typenot available
Fuel typeOther
Operational Info
Maximum capacity1300 lbs
Maximum capacitynot available
Maximum people5
Maximum peoplenot available
Boat typenot available
Boat typePower