Princecraft Platinum SP 186 AE 2004 vs Princecraft SP 178 SC SE 2006 - Boat Spec Comparison

Q: Which is easier to trailer — the Princecraft Platinum SP 186 AE 2004 or the Princecraft SP 178 SC SE 2006?

For trailering, the Princecraft SP 178 SC SE 2006 has the edge at 117 lbs dry weight versus 1 399 lbs for the Princecraft Platinum SP 186 AE 2004. 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.

Q: Which boat can handle a bigger outboard?

The Princecraft Platinum SP 186 AE 2004 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Princecraft SP 178 SC SE 2006 tops out at 150 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.

Q: How many people can each boat hold?

The Princecraft Platinum SP 186 AE 2004 is Coast Guard rated for 8 passengers, while the Princecraft SP 178 SC SE 2006 is certified for 6. 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.

Q: Which boat is wider, and does it affect trailering?

The Princecraft Platinum SP 186 AE 2004 measures 94" wide, compared to 92" for the Princecraft SP 178 SC SE 2006. 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.

Q: Which boat has the larger fuel tank — the Princecraft Platinum SP 186 AE 2004 or the Princecraft SP 178 SC SE 2006?

The Princecraft SP 178 SC SE 2006 has the bigger tank at 35 gallons, versus 6 gallons on the Princecraft Platinum SP 186 AE 2004. That 29-gallon difference translates to roughly 87–145 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Princecraft Platinum SP 186 AE 2004 and Princecraft SP 178 SC SE 2006 from the same manufacturer?

Yes — both the Princecraft Platinum SP 186 AE 2004 and the Princecraft SP 178 SC SE 2006 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.

Boat Comparison

Princecraft Platinum SP 186 AE 2004 vs Princecraft SP 178 SC SE 2006

Princecraft

Princecraft Platinum SP 186 AE 2004

2004

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Princecraft

Princecraft SP 178 SC SE 2006

2006

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Detailed Evaluation & Buyer Recommendation

Princecraft Platinum SP 186 AE 2004 vs Princecraft SP 178 SC SE 2006 — Same Brand, Different Boat

The Princecraft Platinum SP 186 AE 2004 vs Princecraft SP 178 SC SE 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 175 hp, the Princecraft Platinum SP 186 AE 2004 has a 25-hp advantage over the Princecraft SP 178 SC SE 2006's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Princecraft SP 178 SC SE 2006 carries 35 gallons versus 6 gallons in the Princecraft Platinum SP 186 AE 2004. 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 Princecraft Platinum SP 186 AE 2004 is rated for 8 passengers, while the Princecraft SP 178 SC SE 2006 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Princecraft Platinum SP 186 AE 2004 could be the deciding factor.

Bottom line: Choose the Princecraft Platinum SP 186 AE 2004 if your priority is putting more people on the water — it handles 8 passengers and at 0,0 ft it has the deck room to back that rating up comfortably. The Princecraft SP 178 SC SE 2006 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

ModelPlatinum SP 186 AE

ModelSP 178 SC SE

Model Year2004

Model Year2006

Measurements / Dimensions

Beam94 in

Beam92 in. (2.3 m)

Beam - Meters2.39

Beam - Meters2.34

Beam - Inches94

Beam - Inches92

Draft [max] - Detail31 in

Draft [max] - Detail31 in. (0.8 m)

Draft [max] - Meters0.79

Draft [max] - Inches31

Weight - Detail1399 lbs

Weight - Detail1,170 lbs. (531 kg)

Weight - kg634.58

Weight - kg530.7

Weight - lbs.1399

Weight - lbs.117

Height - Detail43 in

Height - Detailnot available

Height - Meters1.09

Height - Metersnot available

Height - Inches43

Height - Inchesnot available

Height [transom]20 in

Height [transom]25 in. (0.6 m)

Length overall - Detail18 ft. 4 in

Length overall - Detail17 ft. 5 in. (5.3 m)

Length overall - Meters5.59

Length overall - Meters5.31

Length overall - Inches22

Length overall - Inches209

Depth - Detailnot available

Depth - Detail40 in. (1.0 m)

Depth - Centimetersnot available

Depth - Centimeters101.6

Depth - Inchesnot available

Depth - Inches4

Width [transom] - Detailnot available

Width [transom] - Detail75 in. (1.9 m)

Length - Metersnot available

Length - Meters5.3

Length - Feetnot available

Length - Feet17

Length - Inchesnot available

Length - Inches5

Engine and Drivetrain

Fuel tank capacity - Detail60 gal

Fuel tank capacity - Detail35 gal. (132 l)

Fuel tank capacity - Liters227.12

Fuel tank capacity - Liters132.49

Fuel tank capacity - Gal6

Fuel tank capacity - Gal35

Engine max175 HP

Engine max150 hp (112 kw)

Fuel typenot available

Fuel typeGas

Drive typenot available

Drive typeOutboard

Operational Info

Maximum capacity1755 lbs

Maximum capacity1,488 lbs. (675 kg)

Maximum people8 Persons

Maximum people6

Body / Hull

Hull thicknessnot available

Hull thicknessBottom: .100 in. (2.5 mm) Side: .072 in. (1.8 mm)

Trailer Info

Trailer - Detailnot available

Trailer - DetailStandard Black Painted Bunk Style Trailer

Trailer - Weightnot available

Trailer - Weight503 lbs. (228 kg)

Princecraft Platinum SP 186 AE 2004 vs Princecraft SP 178 SC SE 2006 — Common Questions

Which is easier to trailer — the Princecraft Platinum SP 186 AE 2004 or the Princecraft SP 178 SC SE 2006?

For trailering, the Princecraft SP 178 SC SE 2006 has the edge at 117 lbs dry weight versus 1 399 lbs for the Princecraft Platinum SP 186 AE 2004. 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 Platinum SP 186 AE 2004 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Princecraft SP 178 SC SE 2006 tops out at 150 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 Platinum SP 186 AE 2004 is Coast Guard rated for 8 passengers, while the Princecraft SP 178 SC SE 2006 is certified for 6. 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 Platinum SP 186 AE 2004 measures 94" wide, compared to 92" for the Princecraft SP 178 SC SE 2006. 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.

Which boat has the larger fuel tank — the Princecraft Platinum SP 186 AE 2004 or the Princecraft SP 178 SC SE 2006?

The Princecraft SP 178 SC SE 2006 has the bigger tank at 35 gallons, versus 6 gallons on the Princecraft Platinum SP 186 AE 2004. That 29-gallon difference translates to roughly 87–145 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Princecraft Platinum SP 186 AE 2004 and Princecraft SP 178 SC SE 2006 from the same manufacturer?

Yes — both the Princecraft Platinum SP 186 AE 2004 and the Princecraft SP 178 SC SE 2006 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.

← Princecraft Platinum SP 186 AE 2004 full specs ← Princecraft SP 178 SC SE 2006 full specs