Detailed Evaluation & Buyer Recommendation
Boston Whaler 180 Dauntless 2021 vs Boston Whaler 255 Conquest 2007 — Same Brand, Different Boat
The Boston Whaler 180 Dauntless 2021 vs Boston Whaler 255 Conquest 2007 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 450 hp, the Boston Whaler 255 Conquest 2007 has a 300-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 255 Conquest 2007 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 255 Conquest 2007 could be the deciding factor.
Bottom line: Choose the Boston Whaler 255 Conquest 2007 if your priority is putting more people on the water — it handles 14 passengers and at 26,0 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 - Detail26 ft. 11 in. (8.20 m)
Length - Feet18.1
Length - Feet26
Length overall - Meters5.52
Length overall - Meters8.2
Length overall - Inches217
Length overall - Inches323
Beam8.10 ft
Beam8 ft. 9 in. (2.66 m)
Beam - Meters2.47
Beam - Meters2.67
Beam - Inches97
Beam - Inches105
Draft [max] - Detail12.00 ft
Draft [max] - Detail16 in. (.40 m)
Draft [max] - Meters3.66
Draft [max] - Meters0.41
Draft [max] - Inches144
Draft [max] - Inches16
Bridge clearance - Detailnot available
Bridge clearance - Detail7 ft. 3 in. (2.20 m) With Hard Top: 9 ft. 5 in. (2.87 m)
Bridge clearance - Metersnot available
Bridge clearance - Meters2.87
Bridge clearance - Inchesnot available
Bridge clearance - Inches113
Weight - Detailnot available
Weight - Detail4,900 lbs. (2,222 kg)
Weight - kgnot available
Weight - kg2222.6
Weight - lbs.not available
Weight - lbs.49
Height [transom]not available
Height [transom]25 in. d / 30 in. s (.63 m / .76 m)
Length - Metersnot available
Length - Meters8.2
Length - Inchesnot available
Length - Inches11
Engine and Drivetrain
Engine makeMercury
Engine makenot available
Horsepower150 hp
Horsepowernot available
Drive typeoutboard
Drive typeOutboard
Engine/s standardnot available
Engine/s standard225 XXL OptiMax? Mercury®
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail150 gal. (567 l)
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters567.81
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal15
Engine maxnot available
Engine maxMaximum: 450 hp (335 kW) Minimum: 225 hp (167 kW) Maximum Engine Weight: 1,220 lbs. (553 kg)
Operational Info
TrailerableYes
Trailerablenot available
Boat typePower
Boat typenot available
Maximum capacitynot available
Maximum capacity6,100 lbs. (2,766 kg)
Maximum peoplenot available
Maximum people14
General Boat Info
Makenot available
MakeBoston Whaler
Modelnot available
Model255 Conquest?
Model Yearnot available
Model Year2007