Princecraft SP 176 FnP 2006 boat specs
Princecraft
Princecraft SP 176 FnP 2006
2006
View full specs →
VS
Princecraft SP 186 Platinum  2006 boat specs
Princecraft
Princecraft SP 186 Platinum 2006
2006
View full specs →

Princecraft SP 176 FnP 2006 vs Princecraft SP 186 Platinum 2006 — Same Brand, Different Boat

The Princecraft SP 176 FnP 2006 vs Princecraft SP 186 Platinum 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.

On paper these two are close siblings in the size department — Princecraft SP 176 FnP 2006 at 17,0 ft versus Princecraft SP 186 Platinum 2006 at 18,0 ft. At 114 lbs and 139 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

The power gap is worth calling out. Rated to 175 hp, the Princecraft SP 186 Platinum 2006 has a 60-hp advantage over the Princecraft SP 176 FnP 2006's 115-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 176 FnP 2006 carries 28 gallons versus 6 gallons in the Princecraft SP 186 Platinum 2006. 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 SP 186 Platinum 2006 is rated for 8 passengers, while the Princecraft SP 176 FnP 2006 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Princecraft SP 186 Platinum 2006 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Princecraft SP 186 Platinum 2006 comes in at 1 lbs per hp versus 1 lbs per hp for the Princecraft SP 176 FnP 2006. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.

Bottom line: Choose the Princecraft SP 186 Platinum 2006 if your priority is putting more people on the water — it handles 8 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Princecraft SP 176 FnP 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.
General Boat Info
MakePrincecraft
MakePrincecraft
ModelSP 176 FnP
ModelSP 186 Platinum
Model Year2006
Model Year2006
Measurements / Dimensions
Beam87 in. (2.2 m)
Beam94 in. (2.4 m)
Beam - Meters2.21
Beam - Meters2.39
Beam - Inches87
Beam - Inches94
Depth - Detail40 in. (1.0 m)
Depth - Detail43 in. (1.1 m)
Depth - Centimeters101.6
Depth - Centimeters109.22
Depth - Inches4
Depth - Inches43
Draft [max] - Detail30 in. (0.8 m)
Draft [max] - Detail31 in. ((0.8 m)
Draft [max] - Meters0.76
Draft [max] - Meters0.79
Draft [max] - Inches3
Draft [max] - Inches31
Weight - Detail1,140 lbs. (517 kg)
Weight - Detail1,390 lbs. (630 kg)
Weight - kg517.09
Weight - kg630.49
Weight - lbs.114
Weight - lbs.139
Width [transom] - Detail68 in. (1.7 m)
Width [transom] - Detail76 im. (1.9 m)
Height [transom]20 in. (0.5 m)
Height [transom]20 in. (0.5 m)
Length - Meters5.3
Length - Meters5.6
Length - Feet17
Length - Feet18
Length - Inches5
Length - Inches4
Length overall - Detail17 ft. 5 in. (5.3 m)
Length overall - Detail18 ft. 4 in. (5.6 m)
Length overall - Meters5.31
Length overall - Meters5.59
Length overall - Inches209
Length overall - Inches22
Body / Hull
Hull thicknessBottom: .090 in. (2.3 mm) Side: .072 in. (1.8 mm)
Hull thicknessBottom: .100 in. (2.5 mm) Side: .072 in. (1.8 mm)
Engine and Drivetrain
Fuel tank capacity - Detail28 gal. (106 l)
Fuel tank capacity - Detail60 gal. (227 l)
Fuel tank capacity - Liters105.99
Fuel tank capacity - Liters227.12
Fuel tank capacity - Gal28
Fuel tank capacity - Gal6
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max115 hp (86 kw)
Engine max175 hp (131 kw)
Operational Info
Maximum capacity1,598 lbs. (725 kg)
Maximum capacity1,784 lbs. (809 kg)
Maximum people7
Maximum people8
Trailer Info
Trailer - DetailStandard Painted Bunk Style Trailer
Trailer - DetailStandard Painted Bunk Style Trailer
Trailer - Weight489 lbs. (222 kg)
Trailer - Weight571 lbs. (259 kg)

Princecraft SP 176 FnP 2006 vs Princecraft SP 186 Platinum 2006 — Common Questions

Which is the larger boat — the Princecraft SP 176 FnP 2006 or the Princecraft SP 186 Platinum 2006?
The Princecraft SP 186 Platinum 2006 is the longer of the two at 18,0 feet overall. The Princecraft SP 176 FnP 2006 comes in at 17,0 feet, making it roughly 1,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Princecraft SP 176 FnP 2006 or the Princecraft SP 186 Platinum 2006?
For trailering, the Princecraft SP 176 FnP 2006 has the edge at 114 lbs dry weight versus 139 lbs for the Princecraft SP 186 Platinum 2006. 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 SP 186 Platinum 2006 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Princecraft SP 176 FnP 2006 tops out at 115 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 SP 176 FnP 2006 is Coast Guard rated for 7 passengers, while the Princecraft SP 186 Platinum 2006 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 has the better power-to-weight ratio?
The Princecraft SP 186 Platinum 2006 has a better power-to-weight ratio at 1 lbs per hp compared to 1 lbs per hp for the Princecraft SP 176 FnP 2006. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
What do the trailers weigh for the Princecraft SP 176 FnP 2006 and Princecraft SP 186 Platinum 2006?
The trailer for the Princecraft SP 176 FnP 2006 is listed at 489 lbs. (222 kg) and the Princecraft SP 186 Platinum 2006 trailer at 571 lbs. (259 kg). Always add trailer weight to the boat's dry weight when checking your tow vehicle's gross trailer weight rating.
Which boat is wider, and does it affect trailering?
The Princecraft SP 186 Platinum 2006 measures 94" wide, compared to 87" for the Princecraft SP 176 FnP 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 SP 176 FnP 2006 or the Princecraft SP 186 Platinum 2006?
The Princecraft SP 176 FnP 2006 has the bigger tank at 28 gallons, versus 6 gallons on the Princecraft SP 186 Platinum 2006. That 22-gallon difference translates to roughly 66–110 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Princecraft SP 176 FnP 2006 and Princecraft SP 186 Platinum 2006 from the same manufacturer?
Yes — both the Princecraft SP 176 FnP 2006 and the Princecraft SP 186 Platinum 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.