Sea Doo RXP-X 325 2025 boat specs
Sea-Doo
Sea Doo RXP-X 325 2025
2025
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Sea-Doo Challenger 180 (185 hp) 2005 boat specs
Sea-Doo
Sea-Doo Challenger 180 (185 hp) 2005
2005
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Sea Doo RXP-X 325 2025 vs Sea-Doo Challenger 180 (185 hp) 2005 — Same Brand, Different Boat

The Sea Doo RXP-X 325 2025 vs Sea-Doo Challenger 180 (185 hp) 2005 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.

Size is the most obvious dividing line here. The Sea Doo RXP-X 325 2025 measures 130,6 feet overall (2025), giving it roughly 113,6 additional feet of deck space compared to the Sea-Doo Challenger 180 (185 hp) 2005 at 17,0 feet (2005). Weight tells a clearer story for trailering families: the Sea-Doo Challenger 180 (185 hp) 2005 tips the scales at 2 075 lbs — 1 277 lbs less than the Sea Doo RXP-X 325 2025 at 798 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 325 hp, the Sea Doo RXP-X 325 2025 has a 140-hp advantage over the Sea-Doo Challenger 180 (185 hp) 2005's 185-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 19 gal and 21 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Sea Doo RXP-X 325 2025 is rated for 39 passengers, while the Sea-Doo Challenger 180 (185 hp) 2005 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Doo RXP-X 325 2025 could be the deciding factor.

Bottom line: Choose the Sea Doo RXP-X 325 2025 if your priority is putting more people on the water — it handles 39 passengers and at 130,6 ft it has the deck room to back that rating up comfortably. The Sea-Doo Challenger 180 (185 hp) 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail130.60 ft
Length overall - Detail17 ft. 7 in. (5.36 m)
Length - Feet130.6
Length - Feet17
Length overall - Meters39.81
Length overall - Meters5.36
Length overall - Inches1567
Length overall - Inches211
Beam49.20 ft
Beam8 ft. 2 in. (2.49 m)
Beam - Meters15
Beam - Meters2.49
Beam - Inches590
Beam - Inches98
Displacement798.00 lbs
Displacementnot available
Deadrisenot available
Deadrise20℃
Draft [max] - Detailnot available
Draft [max] - Detail12 in. (30.5 cm)
Draft [max] - Metersnot available
Draft [max] - Meters0.3
Draft [max] - Inchesnot available
Draft [max] - Inches12
Weight - Detailnot available
Weight - Detail2,075 lbs. (941 kg)
Weight - kgnot available
Weight - kg941.2
Weight - lbs.not available
Weight - lbs.2075
Length - Metersnot available
Length - Meters5.36
Length - Inchesnot available
Length - Inches7
Engine and Drivetrain
Fuel tank capacity - Gal18.5
Fuel tank capacity - Gal21
Fuel tank capacity - Liters70.03
Fuel tank capacity - Liters79.49
Engine makeRotax
Engine makenot available
Engine model1630 ACE
Engine modelnot available
Horsepower325 hp
Horsepowernot available
Fuel typeGas
Fuel typenot available
Engine/s standardnot available
Engine/s standardSupercharged Rotax? 4-TEC? 4-Stroke, 3-cylinder, 1,498 cc
Exhaustnot available
ExhaustDual muffler
Impellernot available
ImpellerStainless steel, progressive pitch
Intake gratenot available
Intake grateInlet Clearance System
Jet pumpnot available
Jet pumpAxial flow, single-stage
Fuel systemnot available
Fuel systemMPI fuel injection
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail21 gal. (79 l)
Drive typenot available
Drive typeJet Drive
Engine maxnot available
Engine max185 hp, 7,500 rpm
Batterynot available
BatteryElectric with D.E.S.S. (Digitally Encoded Security System) / 12 volt
Lubricationnot available
LubricationDry sump oil system
Oil capacity - Detailnot available
Oil capacity - Detail0.9
Oil capacity - Litersnot available
Oil capacity - Liters3.41
Operational Info
TrailerableYes
Trailerablenot available
Boat typePower
Boat typenot available
Maximum capacitynot available
Maximum capacity1,440 lbs. (653 kg)
Maximum peoplenot available
Maximum people8
General Boat Info
Makenot available
MakeSea-Doo
Modelnot available
ModelChallenger 180 (185 hp)
Model Yearnot available
Model Year2005

Sea Doo RXP-X 325 2025 vs Sea-Doo Challenger 180 (185 hp) 2005 — Common Questions

Which is the larger boat — the Sea Doo RXP-X 325 2025 or the Sea-Doo Challenger 180 (185 hp) 2005?
The Sea Doo RXP-X 325 2025 is the longer of the two at 130,6 feet overall. The Sea-Doo Challenger 180 (185 hp) 2005 comes in at 17,0 feet, making it roughly 113,6 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sea Doo RXP-X 325 2025 or the Sea-Doo Challenger 180 (185 hp) 2005?
For trailering, the Sea Doo RXP-X 325 2025 has the edge at 798 lbs dry weight versus 2 075 lbs for the Sea-Doo Challenger 180 (185 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.
Which boat can handle a bigger outboard?
The Sea Doo RXP-X 325 2025 is rated to a maximum of 325 hp, giving it the larger power ceiling. The Sea-Doo Challenger 180 (185 hp) 2005 tops out at 185 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 RXP-X 325 2025 is Coast Guard rated for 39 passengers, while the Sea-Doo Challenger 180 (185 hp) 2005 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 RXP-X 325 2025 measures 590" wide, compared to 98" for the Sea-Doo Challenger 180 (185 hp) 2005. 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 RXP-X 325 2025 or the Sea-Doo Challenger 180 (185 hp) 2005?
The Sea-Doo Challenger 180 (185 hp) 2005 has the bigger tank at 21 gallons, versus 19 gallons on the Sea Doo RXP-X 325 2025. That 2-gallon difference translates to roughly 7–12 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sea Doo RXP-X 325 2025 and Sea-Doo Challenger 180 (185 hp) 2005 from the same manufacturer?
Yes — both the Sea Doo RXP-X 325 2025 and the Sea-Doo Challenger 180 (185 hp) 2005 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.