Sea-Doo Sportster 4-TEC (155 hp)  2005 boat specs
Sea-Doo
Sea-Doo Sportster 4-TEC (155 hp) 2005
2005
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Sea-Doo Sportster 4-TEC 2004 boat specs
Sea-Doo
Sea-Doo Sportster 4-TEC 2004
2004
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Sea-Doo Sportster 4-TEC (155 hp) 2005 vs Sea-Doo Sportster 4-TEC 2004 — Same Brand, Different Boat

The Sea-Doo Sportster 4-TEC (155 hp) 2005 vs Sea-Doo Sportster 4-TEC 2004 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 4-TEC (155 hp) 2005 at 15,0 ft versus Sea-Doo Sportster 4-TEC 2004 at 15,0 ft. At 1 454 lbs and 1 454 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

Both boats share a closely matched power ceiling — 155 hp for the Sea-Doo Sportster 4-TEC (155 hp) 2005 and 155 hp for the Sea-Doo Sportster 4-TEC 2004. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Both carry nearly identical fuel loads — 21 gal and 23 gal — so range won't be a tiebreaker here.

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 4-TEC 2004 comes in at 9 lbs per hp versus 9 lbs per hp for the Sea-Doo Sportster 4-TEC (155 hp) 2005. 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: The Sea-Doo Sportster 4-TEC (155 hp) 2005 and Sea-Doo Sportster 4-TEC 2004 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeSea-Doo
MakeSea-Doo
ModelSportster? 4-TEC? (155 hp)
ModelSportster 4-TEC
Model Year2005
Model Year2004
Measurements / Dimensions
Beam7 ft. 1 in. (2.16 m)
Beamnot available
Beam - Meters2.16
Beam - Metersnot available
Beam - Inches85
Beam - Inchesnot available
Deadrise20℃
Deadrise20℃
Draft [max] - Detail12 in. (30.5 cm)
Draft [max] - Detail12 in
Draft [max] - Meters0.3
Draft [max] - Meters0.3
Draft [max] - Inches12
Draft [max] - Inches12
Weight - Detail1,454 lbs. (660 kg)
Weight - Detail1,454 lbs
Weight - kg659.52
Weight - kg659.52
Weight - lbs.1454
Weight - lbs.1454
Length - Meters4.67
Length - Metersnot available
Length - Feet15
Length - Feet15
Length - Inches4
Length - Inches4
Length overall - Detail15 ft. 4 in. (4.67 m)
Length overall - Detail15 ft. 4 in
Length overall - Meters4.67
Length overall - Meters4.67
Length overall - Inches184
Length overall - Inches184
Engine and Drivetrain
Engine/s standardRotax? 4-TEC?, 4-Stroke, 3-Cylinder, 1,498 cc
Engine/s standardRotax 4-TEC, 155 hp, 4 stroke, 3 cylinder x 1 engine
ExhaustDual muffler
ExhaustDual muffler
ImpellerStainless steel progressive pitch
ImpellerStainless steel progressive pitch
Jet pumpAxial flow, single-stage
Jet pumpAxial flow, single-stage
Fuel systemMPI fuel injection
Fuel systemnot available
Fuel tank capacity - Detail21 gal. (79 l)
Fuel tank capacity - Detail23 gal
Fuel tank capacity - Liters79.49
Fuel tank capacity - Liters87.06
Fuel tank capacity - Gal21
Fuel tank capacity - Gal23
Drive typeJet Drive
Drive typeJet Drive
Engine max155 hp Rotax? 4-TEC?, 7,300 rpm
Engine max155 hp
BatteryElectric with D.E.S.S. (Digitally Encoded Security System) / 12 volt
BatteryElectric with D.E.S.S. / 12 volt
LubricationDry sump oil system
LubricationDry sump pump
Oil capacity - Detail0.9
Oil capacity - Detail3.5
Oil capacity - Liters3.41
Oil capacity - Liters13.25
Intake gratenot available
Intake grateFixed aluminum intake
Operational Info
Maximum capacity715 lbs. (325 kg)
Maximum capacity715 lbs
Maximum people4
Maximum people4

Sea-Doo Sportster 4-TEC (155 hp) 2005 vs Sea-Doo Sportster 4-TEC 2004 — Common Questions

Which is the larger boat — the Sea-Doo Sportster 4-TEC (155 hp) 2005 or the Sea-Doo Sportster 4-TEC 2004?
The Sea-Doo Sportster 4-TEC 2004 is the longer of the two at 15,0 feet overall. The Sea-Doo Sportster 4-TEC (155 hp) 2005 comes in at 15,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sea-Doo Sportster 4-TEC (155 hp) 2005 or the Sea-Doo Sportster 4-TEC 2004?
For trailering, the Sea-Doo Sportster 4-TEC 2004 has the edge at 1 454 lbs dry weight versus 1 454 lbs for the Sea-Doo Sportster 4-TEC (155 hp) 2005. 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.
How many people can each boat hold?
The Sea-Doo Sportster 4-TEC (155 hp) 2005 is Coast Guard rated for 4 passengers, while the Sea-Doo Sportster 4-TEC 2004 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 4-TEC 2004 has a better power-to-weight ratio at 9 lbs per hp compared to 9 lbs per hp for the Sea-Doo Sportster 4-TEC (155 hp) 2005. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
How do the fuel tanks compare on the Sea-Doo Sportster 4-TEC (155 hp) 2005 and Sea-Doo Sportster 4-TEC 2004?
Both boats carry similar fuel loads — 21 gallons and 23 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Sea-Doo Sportster 4-TEC (155 hp) 2005 and Sea-Doo Sportster 4-TEC 2004 from the same manufacturer?
Yes — both the Sea-Doo Sportster 4-TEC (155 hp) 2005 and the Sea-Doo Sportster 4-TEC 2004 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.