Detailed Evaluation & Buyer Recommendation
Princecraft Super Pro 178 SC SE 2008 vs Princecraft Vectra 21 2010 — Same Brand, Different Boat
Matching a modified vee Princecraft Super Pro 178 SC SE 2008 against a pontoon Princecraft Vectra 21 2010 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
Size is the most obvious dividing line here. The Princecraft Vectra 21 2010 measures 21,5 feet overall (2010), giving it roughly 4,5 additional feet of deck space compared to the Princecraft Super Pro 178 SC SE 2008 at 17,0 feet (2008). Weight tells a clearer story for trailering families: the Princecraft Vectra 21 2010 tips the scales at 1 639 lbs — 1 522 lbs less than the Princecraft Super Pro 178 SC SE 2008 at 117 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 150 hp, the Princecraft Super Pro 178 SC SE 2008 has a 60-hp advantage over the Princecraft Vectra 21 2010's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 35 gal and 33 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Princecraft Vectra 21 2010 is rated for 8 passengers, while the Princecraft Super Pro 178 SC SE 2008 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Princecraft Vectra 21 2010 could be the deciding factor.
Bottom line: Choose the Princecraft Vectra 21 2010 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 Super Pro 178 SC SE 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.
General Boat Info
MakePrincecraft
MakePrincecraft
ModelSuper Pro 178 SC SE
ModelVectra 21
Model Year2008
Model Year201
Measurements / Dimensions
Beam92 in. (2.3 m)
Beam8 ft. 5 in. (2.6 m)
Beam - Meters2.34
Beam - Meters2.57
Beam - Inches92
Beam - Inches101
Depth - Detail40 in. (1.0 m)
Depth - Detailnot available
Depth - Centimeters101.6
Depth - Centimetersnot available
Depth - Inches4
Depth - Inchesnot available
Draft [max] - Detail31 in. (0.8 m)
Draft [max] - Detailnot available
Draft [max] - Meters0.79
Draft [max] - Metersnot available
Draft [max] - Inches31
Draft [max] - Inchesnot available
Weight - Detail1,170 lbs. (531 kg)
Weight - Detail1,639 lbs. (743 kg)
Weight - kg530.7
Weight - kg743.44
Weight - lbs.117
Weight - lbs.1639
Width [transom] - Detail75 in. (1.9 m)
Width [transom] - Detailnot available
Height [transom]25 in. (0.6 m)
Height [transom]not available
Length - Meters5.3
Length - Metersnot available
Length - Feet17
Length - Feet21.5
Length - Inches5
Length - Inchesnot available
Length overall - Detail17 ft. 5 in. (5.3 m)
Length overall - Detail21 ft. 6 in. (6.6 m)
Length overall - Meters5.31
Length overall - Meters6.55
Length overall - Inches209
Length overall - Inches258
Length [deck]not available
Length [deck]20 ft. 0 in. (6.1 m)
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessBottom: 0.100 in. (2.5 mm) Side: 0.072 in. (1.8 mm)
Hull thicknessnot available
Hull typeModified Vee
Hull typePontoon
Engine and Drivetrain
Fuel tank capacity - Detail35 gal. (132 l)
Fuel tank capacity - Detail33 gal. (125 l)
Fuel tank capacity - Liters132.49
Fuel tank capacity - Liters124.92
Fuel tank capacity - Gal35
Fuel tank capacity - Gal33
Drive typeOutboard
Drive typeOutboard
Engine max150 hp (112 kW)
Engine max90 hp (67 kW)
Operational Info
Maximum capacityPerson: 744 lbs. (337 kg) Total: 1,488 lbs. (675 kg)
Maximum capacityPerson: 1,158 lbs. (525 kg) Total: 1,760 lbs. (798 kg)
Maximum people6
Maximum people8
Pontoon and Inflatable Specific
Tube diameternot available
Tube diameter23 in. (0.58 m)
Tube gaugenot available
Tube gauge0.080 in. (2 mm)
Number of tubesnot available
Number of tubes2