Sea-Doo Sportster  (155 hp)  2006 boat specs
Sea-Doo
Sea-Doo Sportster (155 hp) 2006
2006
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VS
Sea-Doo Sportster 1999 boat specs
Sea-Doo
Sea-Doo Sportster 1999
1999
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Sea-Doo Sportster (155 hp) 2006 vs Sea-Doo Sportster 1999 — Same Brand, Different Boat

The Sea-Doo Sportster (155 hp) 2006 vs Sea-Doo Sportster 1999 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 — Sea-Doo Sportster (155 hp) 2006 at 15,0 ft versus Sea-Doo Sportster 1999 at 14,0 ft. Weight tells a clearer story for trailering families: the Sea-Doo Sportster (155 hp) 2006 tips the scales at 1 454 lbs — 289 lbs more than the Sea-Doo Sportster 1999 at 1 165 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The power gap is worth calling out. Rated to 155 hp, the Sea-Doo Sportster (155 hp) 2006 has a 70-hp advantage over the Sea-Doo Sportster 1999's 85-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sea-Doo Sportster 1999 carries 27 gallons versus 21 gallons in the Sea-Doo Sportster (155 hp) 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 4 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.

At this size, power-to-weight ratio matters more than outright horsepower. The Sea-Doo Sportster (155 hp) 2006 comes in at 9 lbs per hp versus 14 lbs per hp for the Sea-Doo Sportster 1999. 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: Performance buyers should lean toward the Sea-Doo Sportster (155 hp) 2006 and its 155-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Sea-Doo Sportster 1999 with its 85-hp rating is the more economical daily driver.
General Boat Info
MakeSea-Doo
MakeSea-Doo
ModelSportster? (155 hp)
ModelSportster
Model Year2006
Model Year1999
Measurements / Dimensions
Beam7 ft. 1 in. (2.16 m)
Beam7 ft. 1 in. (2.16 m)
Beam - Meters2.16
Beam - Meters2.16
Beam - Inches85
Beam - Inches85
Deadrise20℃
Deadrisenot available
Draft [max] - Detail12 in. (30.5 cm)
Draft [max] - Detail12 in. (30.5 cm)
Draft [max] - Meters0.3
Draft [max] - Meters0.3
Draft [max] - Inches12
Draft [max] - Inches12
Weight - Detail1,454 lbs. (659 kg)
Weight - Detail1,165 lbs. (530 kgs)
Weight - kg659.52
Weight - kg528.43
Weight - lbs.1454
Weight - lbs.1165
Length - Meters4.67
Length - Meters4.45
Length - Feet15
Length - Feet14
Length - Inches4
Length - Inches6
Length overall - Detail15 ft. 4 in. (4.67 m)
Length overall - Detail14 ft. 6 in. (4.45 m)
Length overall - Meters4.67
Length overall - Meters4.42
Length overall - Inches184
Length overall - Inches174
Body / Hull
Hull materialFiberglass
Hull materialnot available
Engine and Drivetrain
Engine/s standardRotax? 4-TEC? 1503, 4-stroke, 3-cylinder, 1,494 cc
Engine/s standard720 Series, Single two stroke, twin-cylinder Bombardier Rotax?
ImpellerStainless steel
ImpellerProgressive pitch, stainless steel
Jet pump6 1/8 in. (15.56 cm)
Jet pumpAxial flow, single stage
Fuel tank capacity - Detail21 gal. (79.4 l)
Fuel tank capacity - Detail27 gal. (102 l)
Fuel tank capacity - Liters79.49
Fuel tank capacity - Liters102.21
Fuel tank capacity - Gal21
Fuel tank capacity - Gal27
Drive typeJet Drive
Drive typeJet Drive
Engine max155 hp @ 7,300 rpm
Engine max85 hp
Battery12 v
BatteryD.E.S.S/12-volt
Exhaustnot available
ExhaustTwin tuned
Fuel systemnot available
Fuel systemSingle Mikuni BN 40-38 w/accelerator pump
Lubricationnot available
LubricationVariable Rate Oil Injection, Gear Driven
Oil capacity - Detailnot available
Oil capacity - Detail2.3
Oil capacity - Litersnot available
Oil capacity - Liters8.71
Operational Info
Storage14.5 cu. ft. (4.42 cu. m)
Storagenot available
Maximum capacity715 lbs. (324 kg)
Maximum capacity660 lbs. (300 kgs)
Maximum people4
Maximum people4
Trailer Info
Trailer - HeightNo Tower: 4 ft. 11 in. (1.5 m) Tower Down: 6 ft. 10 in. (2.08 m) Tower Up: 8 ft. 4 in. (2.54 m)
Trailer - Heightnot available
Trailer - Length over all18 ft. 5 in. (5.6 m)
Trailer - Length over allnot available
Trailer - Weight2,100 lbs. (952 kg)
Trailer - Weightnot available
Trailer - Width7 ft. 1 in. (2.16 m)
Trailer - Widthnot available
Options / Other
Optionsnot available
OptionsGalvanized Trailer (additional cost)

Sea-Doo Sportster (155 hp) 2006 vs Sea-Doo Sportster 1999 — Common Questions

Which is the larger boat — the Sea-Doo Sportster (155 hp) 2006 or the Sea-Doo Sportster 1999?
The Sea-Doo Sportster (155 hp) 2006 is the longer of the two at 15,0 feet overall. The Sea-Doo Sportster 1999 comes in at 14,0 feet, making it roughly 1,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sea-Doo Sportster (155 hp) 2006 or the Sea-Doo Sportster 1999?
For trailering, the Sea-Doo Sportster 1999 has the edge at 1 165 lbs dry weight versus 1 454 lbs for the Sea-Doo Sportster (155 hp) 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 Sea-Doo Sportster (155 hp) 2006 is rated to a maximum of 155 hp, giving it the larger power ceiling. The Sea-Doo Sportster 1999 tops out at 85 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 Sea-Doo Sportster (155 hp) 2006 is Coast Guard rated for 4 passengers, while the Sea-Doo Sportster 1999 is certified for 4. 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 Sea-Doo Sportster (155 hp) 2006 has a better power-to-weight ratio at 9 lbs per hp compared to 14 lbs per hp for the Sea-Doo Sportster 1999. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Sea-Doo Sportster (155 hp) 2006 and Sea-Doo Sportster 1999 share an 7 ft. 1 in. (2.16 m) beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
Which boat has the larger fuel tank — the Sea-Doo Sportster (155 hp) 2006 or the Sea-Doo Sportster 1999?
The Sea-Doo Sportster 1999 has the bigger tank at 27 gallons, versus 21 gallons on the Sea-Doo Sportster (155 hp) 2006. That 6-gallon difference translates to roughly 18–30 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea-Doo Sportster (155 hp) 2006 and Sea-Doo Sportster 1999 from the same manufacturer?
Yes — both the Sea-Doo Sportster (155 hp) 2006 and the Sea-Doo Sportster 1999 are built by Sea-Doo. 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.