Sea-Doo Challenger 1800 (240hp) 2003 boat specs
Sea-Doo
Sea-Doo Challenger 1800 (240hp) 2003
2003
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VS
Sea-Doo Switch Sport 18 - 300 hp 2027 boat specs
Sea-Doo
Sea-Doo Switch Sport 18 - 300 hp 2027
2027
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Sea-Doo Challenger 1800 (240hp) 2003 vs Sea-Doo Switch Sport 18 - 300 hp 2027: Same Brand, Different Boat

The Sea-Doo Challenger 1800 (240hp) 2003 vs Sea-Doo Switch Sport 18 - 300 hp 2027 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.

The power gap is worth calling out. Rated to 300 hp, the Sea-Doo Switch Sport 18 - 300 hp 2027 has a 60-hp advantage over the Sea-Doo Challenger 1800 (240hp) 2003's 240-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 Switch Sport 18 - 300 hp 2027 carries 47 gallons versus 40 gallons in the Sea-Doo Challenger 1800 (240hp) 2003. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Sea-Doo Switch Sport 18 - 300 hp 2027 is rated for 8 passengers, while the Sea-Doo Challenger 1800 (240hp) 2003 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea-Doo Switch Sport 18 - 300 hp 2027 could be the deciding factor.

Bottom line: Choose the Sea-Doo Switch Sport 18 - 300 hp 2027 if your priority is putting more people on the water - it handles 8 passengers and at 17,4 ft it has the deck room to back that rating up comfortably. The Sea-Doo Challenger 1800 (240hp) 2003 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.
General Boat Info
MakeSea-Doo
MakeSea-Doo
ModelChallenger 1800 (240hp)
ModelSwitch Sport 18
Model Year2003
Model Year2027
Weight - Detailnot available
Weight - Detail2429 lbs. (1102 kg)
Weight - kgnot available
Weight - kg1102
Weight - lbs.not available
Weight - lbs.2429
Measurements / Dimensions
Beam7 ft. 6 in.
Beam93.5 in / 2.4 m
Beam - Meters2.29
Beam - Meters2.4
Beam - Inches90
Beam - Inches93.5
Deadrise20℃
Deadrisenot available
Draft [max] - Detail12 in.
Draft [max] - Detailnot available
Draft [max] - Meters0.3
Draft [max] - Metersnot available
Draft [max] - Inches12
Draft [max] - Inchesnot available
Weight - Detail1,865 lbs.
Weight - Detailnot available
Weight - kg845.95
Weight - kgnot available
Weight - lbs.1865
Weight - lbs.not available
Length - Feet17
Length - Feet17.4
Length - Inches11
Length - Inchesnot available
Length overall - Detail17 ft. 11 in.
Length overall - Detail17.4 ft / 208.8 in / 5.3 m
Length overall - Meters5.46
Length overall - Meters5.3
Length overall - Inches215
Length overall - Inches208.8
Engine and Drivetrain
Engine/s standardMercury M? Jet Drive, V6
Engine/s standardnot available
Trim systemManual Adjustable Trim Plate
Trim systemnot available
ExhaustPower Tuned Dual Muffler, through transom
Exhaustnot available
Impeller7.25 in. diameter, 4 blade variable pitch, stainless steel
Impellernot available
Intake grate"Hydro-Surge" weedless
Intake gratenot available
Jet pumpMixed Flow, High Volume
Jet pumpnot available
Fuel systemEFI Multi-point injection
Fuel systemnot available
Fuel tank capacity - Detail40 gal.
Fuel tank capacity - Detail47 US gal / 176 L
Fuel tank capacity - Liters151.42
Fuel tank capacity - Liters176
Fuel tank capacity - Gal40
Fuel tank capacity - Gal47
Drive typeJet Drive
Drive typeJet propulsion
Engine max240 hp
Engine maxnot available
BatteryElectric/12 volt
Batterynot available
LubricationVariable Ratio Oil Injection, Gear Driven
Lubricationnot available
Oil capacity - Detail3
Oil capacity - Detailnot available
Oil capacity - Liters11.36
Oil capacity - Litersnot available
Fuel typenot available
Fuel typeGasoline
Horsepowernot available
Horsepower300
Engine makenot available
Engine makeRotax
Engine modelnot available
Engine model1630 ACE 300
Operational Info
Maximum capacity1,245 lbs.
Maximum capacitynot available
Maximum people7
Maximum people8
Boat typenot available
Boat typePontoon
Storagenot available
Storage155 US gal / 586.6 L
Options / Other
OptionsBimini Top Mooring Cover
OptionsTech Package available as the separate Tech variant: 10.25 in touch display and BRP Premium Audio System.
Body / Hull
Hull materialnot available
Hull materialPolytec
Hull typenot available
Hull typeTri-Hull
Warranty Info
Warrantynot available
Warranty3-year engine/materials; 10-year hull/structure

Sea-Doo Challenger 1800 (240hp) 2003 vs Sea-Doo Switch Sport 18 - 300 hp 2027 - Common Questions

Which is the larger boat - the Sea-Doo Challenger 1800 (240hp) 2003 or the Sea-Doo Switch Sport 18 - 300 hp 2027?
The Sea-Doo Switch Sport 18 - 300 hp 2027 is the longer of the two at 17,4 feet overall. The Sea-Doo Challenger 1800 (240hp) 2003 comes in at 17,0 feet, making it roughly 0,4 ft shorter - a meaningful difference in deck room and overall on-water presence.
Which boat can handle a bigger outboard?
The Sea-Doo Switch Sport 18 - 300 hp 2027 is rated to a maximum of 300 hp, giving it the larger power ceiling. The Sea-Doo Challenger 1800 (240hp) 2003 tops out at 240 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 Challenger 1800 (240hp) 2003 is Coast Guard rated for 7 passengers, while the Sea-Doo Switch Sport 18 - 300 hp 2027 is certified for 8. 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 is wider, and does it affect trailering?
The Sea-Doo Switch Sport 18 - 300 hp 2027 measures 94" wide, compared to 90" for the Sea-Doo Challenger 1800 (240hp) 2003. 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.
Which boat has the larger fuel tank - the Sea-Doo Challenger 1800 (240hp) 2003 or the Sea-Doo Switch Sport 18 - 300 hp 2027?
The Sea-Doo Switch Sport 18 - 300 hp 2027 has the bigger tank at 47 gallons, versus 40 gallons on the Sea-Doo Challenger 1800 (240hp) 2003. That 7-gallon difference translates to roughly 21–35 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea-Doo Challenger 1800 (240hp) 2003 and Sea-Doo Switch Sport 18 - 300 hp 2027 from the same manufacturer?
Yes - both the Sea-Doo Challenger 1800 (240hp) 2003 and the Sea-Doo Switch Sport 18 - 300 hp 2027 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.