Princecraft Seasprite 2004 boat specs
Princecraft
Princecraft Seasprite 2004
2004
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VS
Princecraft Vectra 21-4S 2013 boat specs
Princecraft
Princecraft Vectra 21-4S 2013
2013
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Princecraft Seasprite 2004 vs Princecraft Vectra 21-4S 2013 — Same Brand, Different Boat

The Princecraft Seasprite 2004 vs Princecraft Vectra 21-4S 2013 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 115 hp, the Princecraft Vectra 21-4S 2013 has a 105-hp advantage over the Princecraft Seasprite 2004's 10-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

For family outings this is probably the sharpest distinction between the two. The Princecraft Vectra 21-4S 2013 is rated for 8 passengers, while the Princecraft Seasprite 2004 caps at 3. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Princecraft Vectra 21-4S 2013 could be the deciding factor.

Bottom line: Choose the Princecraft Vectra 21-4S 2013 if your priority is putting more people on the water — it handles 8 passengers and at 21,5 ft it has the deck room to back that rating up comfortably. The Princecraft Seasprite 2004 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 3 that costs less to run day-to-day.
General Boat Info
MakePrincecraft
MakePrincecraft
ModelSeasprite
ModelVectra 21-4S
Model Year2004
Model Year2013
Measurements / Dimensions
Beam58 in
Beam8 ft. 5 in. (2.6 m)
Beam - Meters1.47
Beam - Meters2.57
Beam - Inches58
Beam - Inches101
Draft [max] - Detail13 in
Draft [max] - Detailnot available
Draft [max] - Meters0.33
Draft [max] - Metersnot available
Draft [max] - Inches13
Draft [max] - Inchesnot available
Weight - Detail130 lbs
Weight - Detail1,813 lbs. (822 kg)
Weight - kg58.97
Weight - kg822.36
Weight - lbs.13
Weight - lbs.1813
Height [transom]15 in
Height [transom]not available
Length overall - Detail12 ft. 4 in
Length overall - Detail21 ft. 6 in. (6.6 m)
Length overall - Meters3.76
Length overall - Meters6.55
Length overall - Inches148
Length overall - Inches258
Length [at waterline]not available
Length [at waterline]20 ft. 4 in. (6.2 m) pontoon
Length [deck]not available
Length [deck]20 ft. (6.1 m)
Length - Feetnot available
Length - Feet21.5
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typenot available
Hull typePontoon
Engine and Drivetrain
Fuel tank capacity - DetailPortable
Fuel tank capacity - Detail18 gal. (68 l)
Engine max10 HP
Engine max115 hp (86 kW)
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters68.14
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal18
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeOutboard
Operational Info
Maximum capacity620 lbs
Maximum capacity1,986 lbs. (901 kg)
Maximum people3 Persons
Maximum people8 / 1,346 lbs. (611 kg)
Pontoon and Inflatable Specific
Tube diameternot available
Tube diameter25 in. (0.64 m)
Tube gaugenot available
Tube gauge0.08 in. (2 mm)

Princecraft Seasprite 2004 vs Princecraft Vectra 21-4S 2013 — Common Questions

Which is easier to trailer — the Princecraft Seasprite 2004 or the Princecraft Vectra 21-4S 2013?
For trailering, the Princecraft Seasprite 2004 has the edge at 13 lbs dry weight versus 1 813 lbs for the Princecraft Vectra 21-4S 2013. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
Which boat can handle a bigger outboard?
The Princecraft Vectra 21-4S 2013 is rated to a maximum of 115 hp, giving it the larger power ceiling. The Princecraft Seasprite 2004 tops out at 10 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many people can each boat hold?
The Princecraft Seasprite 2004 is Coast Guard rated for 3 passengers, while the Princecraft Vectra 21-4S 2013 is certified for 8. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Which boat is wider, and does it affect trailering?
The Princecraft Vectra 21-4S 2013 measures 101" wide, compared to 58" for the Princecraft Seasprite 2004. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Are the Princecraft Seasprite 2004 and Princecraft Vectra 21-4S 2013 from the same manufacturer?
Yes — both the Princecraft Seasprite 2004 and the Princecraft Vectra 21-4S 2013 are built by Princecraft. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.