Detailed Evaluation & Buyer Recommendation
Boston Whaler 180 Dauntless 2021 vs Boston Whaler 205 Conquest 2006 — Same Brand, Different Boat
The Boston Whaler 180 Dauntless 2021 vs Boston Whaler 205 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 200 hp, the Boston Whaler 205 Conquest 2006 has a 50-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 205 Conquest 2006 is rated for 8 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 205 Conquest 2006 could be the deciding factor.
Bottom line: Choose the Boston Whaler 205 Conquest 2006 if your priority is putting more people on the water — it handles 8 passengers and at 2,0 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 - Detail20 ft. 3 in. (6.17 m)
Length - Feet18.1
Length - Feet2
Length overall - Meters5.52
Length overall - Meters6.17
Length overall - Inches217
Length overall - Inches243
Beam8.10 ft
Beam8 ft. 4 in. (2.54 m)
Beam - Meters2.47
Beam - Meters2.54
Beam - Inches97
Beam - Inches1
Draft [max] - Detail12.00 ft
Draft [max] - Detail15 in. (.38 m)
Draft [max] - Meters3.66
Draft [max] - Meters0.38
Draft [max] - Inches144
Draft [max] - Inches15
Bridge clearance - Detailnot available
Bridge clearance - Detail5 ft. 5 in. (1.65 m) With Sun Top: 6 ft. 10 in. (2.08 m)
Bridge clearance - Metersnot available
Bridge clearance - Meters2.08
Bridge clearance - Inchesnot available
Bridge clearance - Inches82
Weight - Detailnot available
Weight - Detail2,800 lbs. (1,270 kg)
Weight - kgnot available
Weight - kg1270.06
Weight - lbs.not available
Weight - lbs.28
Height [transom]not available
Height [transom]25 in. (.63 m)
Length - Metersnot available
Length - Meters6.17
Length - Inchesnot available
Length - Inches3
Engine and Drivetrain
Engine makeMercury
Engine makenot available
Horsepower150 hp
Horsepowernot available
Fuel typeGas
Fuel typenot available
Drive typeoutboard
Drive typeOutboard
Engine/s standardnot available
Engine/s standard150 XL OptiMax? Mercury
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail68 gal. (257 l)
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters257.41
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal68
Engine maxnot available
Engine maxMaximum: 200 hp (149 kW) Minimum: 135 hp (100 kW) Maximum Engine Weight: 530 lbs. (240 kg)
Operational Info
TrailerableYes
Trailerablenot available
Boat typePower
Boat typenot available
Maximum capacitynot available
Maximum capacity3,500 lbs. (1,587 kg)
Maximum peoplenot available
Maximum people8
General Boat Info
Makenot available
MakeBoston Whaler
Modelnot available
Model205 Conquest
Model Yearnot available
Model Year2006