Boston Whaler 205 Conquest 2006 boat specs
Boston Whaler
Boston Whaler 205 Conquest 2006
2006
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VS
Boston Whaler 270 Vantage 2015 boat specs
Boston Whaler
Boston Whaler 270 Vantage 2015
2015
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Boston Whaler 205 Conquest 2006 vs Boston Whaler 270 Vantage 2015 — Same Brand, Different Boat

The Boston Whaler 205 Conquest 2006 vs Boston Whaler 270 Vantage 2015 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 225 hp, the Boston Whaler 270 Vantage 2015 has a 25-hp advantage over the Boston Whaler 205 Conquest 2006's 200-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 270 Vantage 2015 carries 175 gallons versus 68 gallons in the Boston Whaler 205 Conquest 2006. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 8 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.

Bottom line: The Boston Whaler 270 Vantage 2015 at 28,3 ft is the right call if deck space, comfort, and entertaining are top of your list. The Boston Whaler 205 Conquest 2006 at 2,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.
General Boat Info
MakeBoston Whaler
Makenot available
Model205 Conquest
Modelnot available
Model Year2006
Model Yearnot available
Measurements / Dimensions
Beam8 ft. 4 in. (2.54 m)
Beam9.00 ft
Beam - Meters2.54
Beam - Meters2.74
Beam - Inches1
Beam - Inches108
Bridge clearance - Detail5 ft. 5 in. (1.65 m) With Sun Top: 6 ft. 10 in. (2.08 m)
Bridge clearance - Detailnot available
Bridge clearance - Meters2.08
Bridge clearance - Metersnot available
Bridge clearance - Inches82
Bridge clearance - Inchesnot available
Draft [max] - Detail15 in. (.38 m)
Draft [max] - Detailnot available
Draft [max] - Meters0.38
Draft [max] - Metersnot available
Draft [max] - Inches15
Draft [max] - Inchesnot available
Weight - Detail2,800 lbs. (1,270 kg)
Weight - Detailnot available
Weight - kg1270.06
Weight - kgnot available
Weight - lbs.28
Weight - lbs.not available
Height [transom]25 in. (.63 m)
Height [transom]not available
Length - Meters6.17
Length - Metersnot available
Length - Feet2
Length - Feet28.3
Length - Inches3
Length - Inchesnot available
Length overall - Detail20 ft. 3 in. (6.17 m)
Length overall - Detail28.30 ft
Length overall - Meters6.17
Length overall - Meters8.63
Length overall - Inches243
Length overall - Inches340
Draft Minnot available
Draft Min1.80 ft
Engine and Drivetrain
Engine/s standard150 XL OptiMax? Mercury
Engine/s standardnot available
Fuel tank capacity - Detail68 gal. (257 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters257.41
Fuel tank capacity - Liters662.45
Fuel tank capacity - Gal68
Fuel tank capacity - Gal175
Drive typeOutboard
Drive typeoutboard
Engine maxMaximum: 200 hp (149 kW) Minimum: 135 hp (100 kW) Maximum Engine Weight: 530 lbs. (240 kg)
Engine maxnot available
Engine makenot available
Engine makeMercury
Horsepowernot available
Horsepower225 hp
Fuel typenot available
Fuel typeGas
Engine 2 Engine Makenot available
Engine 2 Engine MakeMercury
Engine 2 Horsepowernot available
Engine 2 Horsepower225 hp
Engine 2 Fuel Typenot available
Engine 2 Fuel TypeGas
Engine 2 Drive Typenot available
Engine 2 Drive Typeoutboard
Operational Info
Maximum capacity3,500 lbs. (1,587 kg)
Maximum capacitynot available
Maximum people8
Maximum peoplenot available
Cabinsnot available
Cabins1
Headnot available
Head1
Water capacitynot available
Water capacity2
Boat typenot available
Boat typePower

Boston Whaler 205 Conquest 2006 vs Boston Whaler 270 Vantage 2015 — Common Questions

Which is the larger boat — the Boston Whaler 205 Conquest 2006 or the Boston Whaler 270 Vantage 2015?
The Boston Whaler 270 Vantage 2015 is the longer of the two at 28,3 feet overall. The Boston Whaler 205 Conquest 2006 comes in at 2,0 feet, making it roughly 26,3 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which boat can handle a bigger outboard?
The Boston Whaler 270 Vantage 2015 is rated to a maximum of 225 hp, giving it the larger power ceiling. The Boston Whaler 205 Conquest 2006 tops out at 200 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 205 Conquest 2006 is Coast Guard rated for 8 passengers, while the Boston Whaler 270 Vantage 2015 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 is wider, and does it affect trailering?
The Boston Whaler 270 Vantage 2015 measures 108" wide, compared to 1" for the Boston Whaler 205 Conquest 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 205 Conquest 2006 or the Boston Whaler 270 Vantage 2015?
The Boston Whaler 270 Vantage 2015 has the bigger tank at 175 gallons, versus 68 gallons on the Boston Whaler 205 Conquest 2006. That 107-gallon difference translates to roughly 321–535 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Boston Whaler 205 Conquest 2006 and Boston Whaler 270 Vantage 2015 from the same manufacturer?
Yes — both the Boston Whaler 205 Conquest 2006 and the Boston Whaler 270 Vantage 2015 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.