Sea-Doo Speedster 1999 boat specs
Sea-Doo
Sea-Doo Speedster 1999
1999
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VS
Sea-Doo Sportster 1800 1999 boat specs
Sea-Doo
Sea-Doo Sportster 1800 1999
1999
View full specs →

Sea-Doo Speedster 1999 vs Sea-Doo Sportster 1800 1999 — Same Brand, Different Boat

The Sea-Doo Speedster 1999 vs Sea-Doo Sportster 1800 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 Speedster 1999 at 16,0 ft versus Sea-Doo Sportster 1800 1999 at 17,0 ft. At 171 lbs and 176 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.

The power gap is worth calling out. Rated to 220 hp, the Sea-Doo Speedster 1999 has a 45-hp advantage over the Sea-Doo Sportster 1800 1999's 175-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 4 gal and 4 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Sea-Doo Sportster 1800 1999 is rated for 7 passengers, while the Sea-Doo Speedster 1999 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea-Doo Sportster 1800 1999 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Sea-Doo Speedster 1999 comes in at 1 lbs per hp versus 1 lbs per hp for the Sea-Doo Sportster 1800 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: Choose the Sea-Doo Sportster 1800 1999 if your priority is putting more people on the water — it handles 7 passengers and at 17,0 ft it has the deck room to back that rating up comfortably. The Sea-Doo Speedster 1999 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
General Boat Info
MakeSea-Doo
MakeSea-Doo
ModelSpeedster
ModelSportster 18
Model Year1999
Model Year1999
Measurements / Dimensions
Beam7 ft. 7 in. (2.31 m)
Beam7 ft. 6 in. (2.29 m)
Beam - Meters2.31
Beam - Meters2.29
Beam - Inches91
Beam - Inches9
Draft [max] - Detail12 in. (.3 m)
Draft [max] - Detail12 in. (.3 m)
Draft [max] - Meters0.3
Draft [max] - Meters0.3
Draft [max] - Inches12
Draft [max] - Inches12
Weight - Detail1,710 lbs. (777 kgs)
Weight - Detail1,760 lbs. (800 kgs)
Weight - kg775.64
Weight - kg798.32
Weight - lbs.171
Weight - lbs.176
Length - Meters5.03
Length - Meters5.46
Length - Feet16
Length - Feet17
Length - Inches6
Length - Inches11
Length overall - Detail16 ft. 6 in. (5.03 m)
Length overall - Detail17 ft. 11 in. (5.46 m)
Length overall - Meters5.03
Length overall - Meters5.46
Length overall - Inches198
Length overall - Inches215
Engine and Drivetrain
Engine/s standardTwin Rotax 782 cc, Twin Cylinder, Two Stroke, Liquid Cooled, and R.A.V.E
Engine/s standardTwin Rotax 718 cc, Twin Cylinder, Two Stroke, Liquid Cooled, and R.A.V.E
ImpellerProgressive pitch, stainless steel
ImpellerProgressive pitch, stainless steel
Jet pumpAxial flow, single stage
Jet pumpAxial flow, single stage
Fuel system2 Mikuni BN 40-38 per engine with accelerator pumps
Fuel systemMikuni BN 40-38 per engine with accelerator pumps
Fuel tank capacity - Detail40 gal. (151 l)
Fuel tank capacity - Detail40 gal. (151 l)
Fuel tank capacity - Liters151.42
Fuel tank capacity - Liters151.42
Fuel tank capacity - Gal4
Fuel tank capacity - Gal4
Drive typeJet Drive
Drive typeJet Drive
Engine max220 hp
Engine max175 hp
Battery12-volt
Battery12-volt
LubricationVariable Rate Oil Injection
LubricationVariable Rate Oil Injection
Oil capacity - Detail2.3
Oil capacity - Detail2.3
Oil capacity - Liters8.71
Oil capacity - Liters8.71
Operational Info
Maximum capacity905 lbs. (410 kgs)
Maximum capacity1,245 lbs. (565 kgs)
Maximum people5
Maximum people7

Sea-Doo Speedster 1999 vs Sea-Doo Sportster 1800 1999 — Common Questions

Which is the larger boat — the Sea-Doo Speedster 1999 or the Sea-Doo Sportster 1800 1999?
The Sea-Doo Sportster 1800 1999 is the longer of the two at 17,0 feet overall. The Sea-Doo Speedster 1999 comes in at 16,0 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 Speedster 1999 or the Sea-Doo Sportster 1800 1999?
For trailering, the Sea-Doo Speedster 1999 has the edge at 171 lbs dry weight versus 176 lbs for the Sea-Doo Sportster 1800 1999. 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 Speedster 1999 is rated to a maximum of 220 hp, giving it the larger power ceiling. The Sea-Doo Sportster 1800 1999 tops out at 175 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 Speedster 1999 is Coast Guard rated for 5 passengers, while the Sea-Doo Sportster 1800 1999 is certified for 7. 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 Speedster 1999 has a better power-to-weight ratio at 1 lbs per hp compared to 1 lbs per hp for the Sea-Doo Sportster 1800 1999. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Which boat is wider, and does it affect trailering?
The Sea-Doo Speedster 1999 measures 91" wide, compared to 9" for the Sea-Doo Sportster 1800 1999. 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.
How do the fuel tanks compare on the Sea-Doo Speedster 1999 and Sea-Doo Sportster 1800 1999?
Both boats carry similar fuel loads — 4 gallons and 4 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 Speedster 1999 and Sea-Doo Sportster 1800 1999 from the same manufacturer?
Yes — both the Sea-Doo Speedster 1999 and the Sea-Doo Sportster 1800 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.