Detailed Evaluation & Buyer Recommendation
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
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)