Detailed Evaluation & Buyer Recommendation
Boston Whaler 180 Dauntless 2021 vs Boston Whaler 305 Conquest 2006 — Same Brand, Different Boat
The Boston Whaler 180 Dauntless 2021 vs Boston Whaler 305 Conquest 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 600 hp, the Boston Whaler 305 Conquest 2006 has a 450-hp advantage over the Boston Whaler 180 Dauntless 2021's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Boston Whaler 305 Conquest 2006 is rated for 14 passengers, while the Boston Whaler 180 Dauntless 2021 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Boston Whaler 305 Conquest 2006 could be the deciding factor.
Bottom line: Choose the Boston Whaler 305 Conquest 2006 if your priority is putting more people on the water — it handles 14 passengers and at 3,0 ft it has the deck room to back that rating up comfortably. The Boston Whaler 180 Dauntless 2021 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail18.10 ft
Length overall - Detail30 ft. 1 in. (9.16 m)
Length - Feet18.1
Length - Feet3
Length overall - Meters5.52
Length overall - Meters9.17
Length overall - Inches217
Length overall - Inches361
Beam8.10 ft
Beam10 ft. 7 in. (3.22 m)
Beam - Meters2.47
Beam - Meters3.23
Beam - Inches97
Beam - Inches127
Draft [max] - Detail12.00 ft
Draft [max] - Detail20 in. (.50 m)
Draft [max] - Meters3.66
Draft [max] - Meters0.51
Draft [max] - Inches144
Draft [max] - Inches2
Length - Metersnot available
Length - Meters9.16
Weight - kgnot available
Weight - kg3855.53
Bridge clearance - Detailnot available
Bridge clearance - DetailWith Hard Top: 9 ft. 1 in. (2.76 m)
Length [over all with swim platform]not available
Length [over all with swim platform]With Pulpit: 32 ft. 1 in. (9.77 m)
Weight - Detailnot available
Weight - Detail8,500 lbs. (3,855 kg)
Weight - lbs.not available
Weight - lbs.85
Height [transom]not available
Height [transom]25 in. (.63 m)
Bridge clearance - Metersnot available
Bridge clearance - Meters2.77
Length - Inchesnot available
Length - Inches1
Bridge clearance - Inchesnot available
Bridge clearance - Inches109
Engine and Drivetrain
Engine makeMercury
Engine makeMercury
Horsepower150 hp
Horsepower300 hp
Drive typeoutboard
Drive typeoutboard
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal3
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters1135.62
Engine modelnot available
Engine modelVerado Four Stroke
Engine 2 Engine Makenot available
Engine 2 Engine MakeMercury
Engine 2 Engine Modelnot available
Engine 2 Engine ModelVerado Four Stroke
Engine 2 Horsepowernot available
Engine 2 Horsepower300 hp
Engine 2 Fuel Typenot available
Engine 2 Fuel TypeGas
Engine 2 Drive Typenot available
Engine 2 Drive Typeoutboard
Engine maxnot available
Engine maxMaximum: 600 hp (447 kW) Minimum: 400 hp (298 kW) Maximum Engine Weight: 1,400 lbs. (635 kg)
Engine/s standardnot available
Engine/s standard225 CXL DTS Mercury? Verado? FourStrokes with power-assisted steering
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail300 gal. (1,135 l)
Operational Info
TrailerableYes
Trailerablenot available
Boat typePower
Boat typePower
Sleeping capacitynot available
Sleeping capacity4
Water capacitynot available
Water capacity6
Holding tank capacity - Galnot available
Holding tank capacity - Gal1
Holding tank capacity - Litersnot available
Holding tank capacity - Liters37.85
Maximum peoplenot available
Maximum people14
Maximum capacitynot available
Maximum capacity4,300 lbs. (1,950 kg)
General Boat Info
Model Yearnot available
Model Year2006
Makenot available
MakeBoston Whaler
Modelnot available
Model305 Conquest