Detailed Evaluation & Buyer Recommendation
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)