Princecraft 20 L 2004 boat specs
Princecraft
Princecraft 20 L 2004
2004
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VS
Princecraft SP 186 Platinum  2006 boat specs
Princecraft
Princecraft SP 186 Platinum 2006
2006
View full specs →

Princecraft 20 L 2004 vs Princecraft SP 186 Platinum 2006 — Same Brand, Different Boat

The Princecraft 20 L 2004 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.

Size is the most obvious dividing line here. The Princecraft SP 186 Platinum 2006 measures 18,0 feet overall (2006), giving it roughly 16,0 additional feet of deck space compared to the Princecraft 20 L 2004 at 2,0 feet (2004). Weight tells a clearer story for trailering families: the Princecraft 20 L 2004 tips the scales at 1 734 lbs — 1 595 lbs more than the Princecraft SP 186 Platinum 2006 at 139 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 Princecraft SP 186 Platinum 2006 tops out at 175 hp. Engine specs for the Princecraft 20 L 2004 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Princecraft 20 L 2004 carries 34 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 20 L 2004 is rated for 13 passengers, while the Princecraft SP 186 Platinum 2006 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Princecraft 20 L 2004 could be the deciding factor.

Bottom line: Choose the Princecraft 20 L 2004 if your priority is putting more people on the water — it handles 13 passengers and at 2,0 ft it has the deck room to back that rating up comfortably. The Princecraft SP 186 Platinum 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.
General Boat Info
MakePrincecraft
MakePrincecraft
Model20 L
ModelSP 186 Platinum
Model Year2004
Model Year2006
Measurements / Dimensions
Beam8 ft. 0 in
Beam94 in. (2.4 m)
Beam - Meters2.44
Beam - Meters2.39
Beam - Inches96
Beam - Inches94
Weight - Detail1,734 lbs
Weight - Detail1,390 lbs. (630 kg)
Weight - kg786.53
Weight - kg630.49
Weight - lbs.1734
Weight - lbs.139
Length - Feet2
Length - Feet18
Length - Inches4
Length - Inches4
Length overall - Detail20 ft. 4 in
Length overall - Detail18 ft. 4 in. (5.6 m)
Length overall - Meters6.2
Length overall - Meters5.59
Length overall - Inches244
Length overall - Inches22
Depth - Detailnot available
Depth - Detail43 in. (1.1 m)
Depth - Centimetersnot available
Depth - Centimeters109.22
Depth - Inchesnot available
Depth - Inches43
Draft [max] - Detailnot available
Draft [max] - Detail31 in. ((0.8 m)
Draft [max] - Metersnot available
Draft [max] - Meters0.79
Draft [max] - Inchesnot available
Draft [max] - Inches31
Width [transom] - Detailnot available
Width [transom] - Detail76 im. (1.9 m)
Height [transom]not available
Height [transom]20 in. (0.5 m)
Length - Metersnot available
Length - Meters5.6
Pontoon and Inflatable Specific
Tube diameter25 in
Tube diameternot available
Engine and Drivetrain
Engine/s standard90 hp
Engine/s standardnot available
Fuel tank capacity - Detail34 gal
Fuel tank capacity - Detail60 gal. (227 l)
Fuel tank capacity - Liters128.7
Fuel tank capacity - Liters227.12
Fuel tank capacity - Gal34
Fuel tank capacity - Gal6
Drive typeOutBoard
Drive typeOutboard
Fuel typenot available
Fuel typeGas
Engine maxnot available
Engine max175 hp (131 kw)
Operational Info
Maximum capacity1,750 lbs
Maximum capacity1,784 lbs. (809 kg)
Maximum people13
Maximum people8
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 Painted Bunk Style Trailer
Trailer - Weightnot available
Trailer - Weight571 lbs. (259 kg)

Princecraft 20 L 2004 vs Princecraft SP 186 Platinum 2006 — Common Questions

Which is the larger boat — the Princecraft 20 L 2004 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 20 L 2004 comes in at 2,0 feet, making it roughly 16,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Princecraft 20 L 2004 or the Princecraft SP 186 Platinum 2006?
For trailering, the Princecraft SP 186 Platinum 2006 has the edge at 139 lbs dry weight versus 1 734 lbs for the Princecraft 20 L 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.
What is the maximum horsepower rating for these boats?
The Princecraft SP 186 Platinum 2006 has a documented max rating of 175 hp. Engine specifications for the Princecraft 20 L 2004 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Princecraft 20 L 2004 is Coast Guard rated for 13 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 is wider, and does it affect trailering?
The Princecraft 20 L 2004 measures 96" wide, compared to 94" for the Princecraft SP 186 Platinum 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 20 L 2004 or the Princecraft SP 186 Platinum 2006?
The Princecraft 20 L 2004 has the bigger tank at 34 gallons, versus 6 gallons on the Princecraft SP 186 Platinum 2006. That 28-gallon difference translates to roughly 84–140 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Princecraft 20 L 2004 and Princecraft SP 186 Platinum 2006 from the same manufacturer?
Yes — both the Princecraft 20 L 2004 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.