Boston Whaler 150 Montauk 2006 boat specs
Boston Whaler
Boston Whaler 150 Montauk 2006
2006
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VS
Boston Whaler 180 Dauntless 2009 boat specs
Boston Whaler
Boston Whaler 180 Dauntless 2009
2009
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Boston Whaler 150 Montauk 2006 vs Boston Whaler 180 Dauntless 2009 — Same Brand, Different Boat

The Boston Whaler 150 Montauk 2006 vs Boston Whaler 180 Dauntless 2009 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 — Boston Whaler 150 Montauk 2006 at 15,0 ft versus Boston Whaler 180 Dauntless 2009 at 18,0 ft. At 95 lbs and 2 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 150 hp, the Boston Whaler 180 Dauntless 2009 has a 90-hp advantage over the Boston Whaler 150 Montauk 2006's 60-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Boston Whaler 150 Montauk 2006 carries 13 gallons versus 6 gallons in the Boston Whaler 180 Dauntless 2009. 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 Boston Whaler 180 Dauntless 2009 is rated for 8 passengers, while the Boston Whaler 150 Montauk 2006 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Boston Whaler 180 Dauntless 2009 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Boston Whaler 180 Dauntless 2009 comes in at 0 lbs per hp versus 2 lbs per hp for the Boston Whaler 150 Montauk 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 Boston Whaler 180 Dauntless 2009 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 Boston Whaler 150 Montauk 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
MakeBoston Whaler
MakeBoston Whaler
Model150 Montauk
Model180 Dauntless?
Model Year2006
Model Year2009
Measurements / Dimensions
Beam6 ft. 6 in. (1.98 m)
Beam8 ft. 1 in. (2.46 m)
Beam - Meters1.98
Beam - Meters2.46
Beam - Inches78
Beam - Inches97
Bridge clearance - Detail4 ft. 7 in. (1.39 m) With Sun Top: 6 ft. 10 in. (2.08 m)
Bridge clearance - Detail4 ft. 10 in. (1.47 m) 7 ft. 0 in. (2.13 m) with sun top
Bridge clearance - Meters2.08
Bridge clearance - Meters2.13
Bridge clearance - Inches82
Bridge clearance - Inches84
Draft [max] - Detail7 in. (.17 m)
Draft [max] - Detail12 in. (0.30 m) boat only
Draft [max] - Meters0.18
Draft [max] - Meters0.3
Draft [max] - Inches7
Draft [max] - Inches12
Weight - Detail950 lbs. (430 kg)
Weight - Detail2,000 lbs. (907 kg) no engine
Weight - kg430.91
Weight - kg907.18
Weight - lbs.95
Weight - lbs.2
Height [transom]20 in. (.50 m)
Height [transom]not available
Length - Meters4.69
Length - Meters5.51
Length - Feet15
Length - Feet18
Length - Inches5
Length - Inches1
Length overall - Detail15 ft. 5 in. (4.69 m)
Length overall - Detail18 ft. 1 in. (5.51 m)
Length overall - Meters4.7
Length overall - Meters5.51
Length overall - Inches185
Length overall - Inches217
Engine and Drivetrain
Engine/s standard60 ELPT EFI FourStroke Mercury BigFoot
Engine/s standard135 XL DTS Mercury? Verado? FourStroke with hydraulic tilt steering
Fuel tank capacity - Detail13.2 gal. (49 l)
Fuel tank capacity - Detail60 gal
Fuel tank capacity - Liters49.21
Fuel tank capacity - Liters227.12
Fuel tank capacity - Gal13.2
Fuel tank capacity - Gal6
Drive typeOutboard
Drive typeOutboard
Engine maxMaximum: 60 hp (44 kW) Minimum: 40 hp (29 kW) Maximum Engine Weight: 305 lbs. (138 kg)
Engine max150 hp
Fuel typenot available
Fuel typeGas
Horsepowernot available
Horsepower135 hp
Operational Info
Maximum capacity2,900 lbs. (1,315 kg)
Maximum capacitySwamped Capacity: 3,300 lbs. (1,496 kg)
Maximum people6
Maximum people8
Trailer Info
Trailer - DetailGalvanized trailer with swing tongue
Trailer - Detailnot available
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeDeep Vee

Boston Whaler 150 Montauk 2006 vs Boston Whaler 180 Dauntless 2009 — Common Questions

Which is the larger boat — the Boston Whaler 150 Montauk 2006 or the Boston Whaler 180 Dauntless 2009?
The Boston Whaler 180 Dauntless 2009 is the longer of the two at 18,0 feet overall. The Boston Whaler 150 Montauk 2006 comes in at 15,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Boston Whaler 150 Montauk 2006 or the Boston Whaler 180 Dauntless 2009?
For trailering, the Boston Whaler 180 Dauntless 2009 has the edge at 2 lbs dry weight versus 95 lbs for the Boston Whaler 150 Montauk 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 Boston Whaler 180 Dauntless 2009 is rated to a maximum of 150 hp, giving it the larger power ceiling. The Boston Whaler 150 Montauk 2006 tops out at 60 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 Boston Whaler 150 Montauk 2006 is Coast Guard rated for 6 passengers, while the Boston Whaler 180 Dauntless 2009 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 Boston Whaler 180 Dauntless 2009 has a better power-to-weight ratio at 0 lbs per hp compared to 2 lbs per hp for the Boston Whaler 150 Montauk 2006. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Which boat is wider, and does it affect trailering?
The Boston Whaler 180 Dauntless 2009 measures 97" wide, compared to 78" for the Boston Whaler 150 Montauk 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 Boston Whaler 150 Montauk 2006 or the Boston Whaler 180 Dauntless 2009?
The Boston Whaler 150 Montauk 2006 has the bigger tank at 13 gallons, versus 6 gallons on the Boston Whaler 180 Dauntless 2009. That 7-gallon difference translates to roughly 21–36 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Boston Whaler 150 Montauk 2006 and Boston Whaler 180 Dauntless 2009 from the same manufacturer?
Yes — both the Boston Whaler 150 Montauk 2006 and the Boston Whaler 180 Dauntless 2009 are built by Boston Whaler. 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.