Palm Beach Fishing 173 Whitecap 2008 boat specs
Palm Beach
Palm Beach Fishing 173 Whitecap 2008
2008
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VS
Palm Beach Fishing 181 2006 boat specs
Palm Beach
Palm Beach Fishing 181 2006
2006
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Palm Beach Fishing 173 Whitecap 2008 vs Palm Beach Fishing 181 2006 — Same Brand, Different Boat

The Palm Beach Fishing 173 Whitecap 2008 vs Palm Beach Fishing 181 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 — Palm Beach Fishing 173 Whitecap 2008 at 17,0 ft versus Palm Beach Fishing 181 2006 at 17,0 ft. Weight tells a clearer story for trailering families: the Palm Beach Fishing 173 Whitecap 2008 tips the scales at 1 375 lbs — 1 210 lbs more than the Palm Beach Fishing 181 2006 at 165 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 115 hp, the Palm Beach Fishing 181 2006 has a 25-hp advantage over the Palm Beach Fishing 173 Whitecap 2008'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 35 gal — so range won't be a tiebreaker here.

Both boats are rated for 5 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

At this size, power-to-weight ratio matters more than outright horsepower. The Palm Beach Fishing 181 2006 comes in at 1 lbs per hp versus 15 lbs per hp for the Palm Beach Fishing 173 Whitecap 2008. 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: Performance buyers should lean toward the Palm Beach Fishing 181 2006 and its 115-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Palm Beach Fishing 173 Whitecap 2008 with its 90-hp rating is the more economical daily driver.
General Boat Info
MakePalm Beach Fishing
MakePalm Beach Fishing
Model173 Whitecap
Model181
Model Year2008
Model Year2006
Measurements / Dimensions
Beam7 ft. 4 in
Beam88 in
Beam - Meters2.24
Beam - Meters2.24
Beam - Inches88
Beam - Inches88
Deadrise12℃
Deadrise19℃
Draft [drive up] - Detail6 in
Draft [drive up] - Detail10 in
Draft [drive up] meters0.15
Draft [drive up] meters0.25
Draft [drive up] inches6
Draft [drive up] inches1
Draft [max] - Detail8 in
Draft [max] - Detail12 in
Draft [max] - Meters0.2
Draft [max] - Meters0.3
Draft [max] - Inches8
Draft [max] - Inches12
Weight - Detail1,375 lbs
Weight - Detail1,650 lbs
Weight - kg623.69
Weight - kg748.43
Weight - lbs.1375
Weight - lbs.165
Height [transom]20 in
Height [transom]20 in
Length - Feet17
Length - Feet17
Length - Inches6
Length - Inches1
Length overall - Detail17 ft. 6 in
Length overall - Detail17 ft. 10 in
Length overall - Meters5.33
Length overall - Meters5.44
Length overall - Inches21
Length overall - Inches214
Body / Hull
Hull materialFiberglass
Hull materialnot available
Engine and Drivetrain
Fuel tank capacity - Detail35 gal
Fuel tank capacity - Detail35 gal
Fuel tank capacity - Liters132.49
Fuel tank capacity - Liters132.49
Fuel tank capacity - Gal35
Fuel tank capacity - Gal35
Drive typeOutboard
Drive typeOutboard
Engine max90 hp
Engine max115 hp
Operational Info
Maximum people5
Maximum people5

Palm Beach Fishing 173 Whitecap 2008 vs Palm Beach Fishing 181 2006 — Common Questions

Which is the larger boat — the Palm Beach Fishing 173 Whitecap 2008 or the Palm Beach Fishing 181 2006?
The Palm Beach Fishing 181 2006 is the longer of the two at 17,0 feet overall. The Palm Beach Fishing 173 Whitecap 2008 comes in at 17,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Palm Beach Fishing 173 Whitecap 2008 or the Palm Beach Fishing 181 2006?
For trailering, the Palm Beach Fishing 181 2006 has the edge at 165 lbs dry weight versus 1 375 lbs for the Palm Beach Fishing 173 Whitecap 2008. 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 Palm Beach Fishing 181 2006 is rated to a maximum of 115 hp, giving it the larger power ceiling. The Palm Beach Fishing 173 Whitecap 2008 tops out at 90 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 Palm Beach Fishing 173 Whitecap 2008 is Coast Guard rated for 5 passengers, while the Palm Beach Fishing 181 2006 is certified for 5. 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 Palm Beach Fishing 181 2006 has a better power-to-weight ratio at 1 lbs per hp compared to 15 lbs per hp for the Palm Beach Fishing 173 Whitecap 2008. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Palm Beach Fishing 173 Whitecap 2008 and Palm Beach Fishing 181 2006 share an 7 ft. 4 in beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
How do the fuel tanks compare on the Palm Beach Fishing 173 Whitecap 2008 and Palm Beach Fishing 181 2006?
Both boats carry similar fuel loads — 35 gallons and 35 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Palm Beach Fishing 173 Whitecap 2008 and Palm Beach Fishing 181 2006 from the same manufacturer?
Yes — both the Palm Beach Fishing 173 Whitecap 2008 and the Palm Beach Fishing 181 2006 are built by Palm Beach. 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.