Detailed Evaluation & Buyer Recommendation
Sea-Doo Challenger 1800 2000 vs Sea-Doo Speedster (240HP) 2000 — Same Brand, Different Boat
The Sea-Doo Challenger 1800 2000 vs Sea-Doo Speedster (240HP) 2000 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 Challenger 1800 2000 at 17,0 ft versus Sea-Doo Speedster (240HP) 2000 at 16,0 ft. Weight tells a clearer story for trailering families: the Sea-Doo Challenger 1800 2000 tips the scales at 1 865 lbs — 1 694 lbs more than the Sea-Doo Speedster (240HP) 2000 at 171 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 240 hp, the Sea-Doo Speedster (240HP) 2000 has a 30-hp advantage over the Sea-Doo Challenger 1800 2000's 210-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 Challenger 1800 2000 is rated for 7 passengers, while the Sea-Doo Speedster (240HP) 2000 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 Challenger 1800 2000 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Sea-Doo Speedster (240HP) 2000 comes in at 1 lbs per hp versus 9 lbs per hp for the Sea-Doo Challenger 1800 2000. 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 Challenger 1800 2000 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 (240HP) 2000 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
ModelChallenger 18
ModelSpeedster (240HP)
Measurements / Dimensions
Beam7 ft. 6 in. (2.29 m)
Beam7 ft. 7 in. (2.31 m)
Beam - Meters2.29
Beam - Meters2.31
Beam - Inches9
Beam - Inches91
Draft [max] - Detail10.5 in. (26.7 cm)
Draft [max] - Detail12 in. (30.5 cm)
Draft [max] - Meters0.28
Draft [max] - Meters0.3
Draft [max] - Inches10.5
Draft [max] - Inches12
Weight - Detail1,865 lbs. (848 kg)
Weight - Detail1,710 lbs. (777 kg)
Weight - kg845.95
Weight - kg775.64
Weight - lbs.1865
Weight - lbs.171
Length - Meters5.46
Length - Meters5.03
Length - Feet17
Length - Feet16
Length - Inches11
Length - Inches6
Length overall - Detail17 ft. 11 in. (5.46 m)
Length overall - Detail16 ft. 6 in. (5.03 m)
Length overall - Meters5.46
Length overall - Meters5.03
Length overall - Inches215
Length overall - Inches198
Engine and Drivetrain
Engine/s standardMercury M2 Jet Drive, V6
Engine/s standardMercury M2 Jet Drive, V6
Trim systemAdjustable Trim Plate
Trim systemAdjustable Trim Plate
ExhaustDual Muffler, through transom
ExhaustDual Muffler, through transom
Impeller7.25 in. diameter, 4 blade variable pitch, stainless steel
Impeller7.25 in. diameter, 4 blade variable pitch, stainless steel
Jet pumpAxial flow, high volume
Jet pumpAxial flow, high volume
Fuel systemCarburetor with auto-enricher
Fuel systemMulti-point EFI
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 max210 hp
Engine max240 hp
BatteryElectric, with auto prime and turn key / 12-volt
BatteryElectric, with auto prime and turn key / 12-volt
LubricationVariable Rate Oil Injection, Gear Driven
LubricationVariable Rate Oil Injection, Gear Driven
Oil capacity - Detail3
Oil capacity - Detail3
Oil capacity - Liters11.36
Oil capacity - Liters11.36
Fuel typenot available
Fuel typeGas
Operational Info
Maximum capacity1,245 lbs. (565 kg)
Maximum capacity905 lbs. (410 kg)
Maximum people7
Maximum people5
Options / Other
OptionsGalvanized Trailer (additional cost)
OptionsGalvanized Trailer (additional cost)