Detailed Evaluation & Buyer Recommendation
Sea-Doo Challenger 180 (215 hp) 2005 vs Sea-Doo RXP-X Senna 350 2027: Same Brand, Different Boat
The Sea-Doo Challenger 180 (215 hp) 2005 vs Sea-Doo RXP-X Senna 350 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 350 hp, the Sea-Doo RXP-X Senna 350 2027 has a 135-hp advantage over the Sea-Doo Challenger 180 (215 hp) 2005's 215-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads - 21 gal and 19 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 180 (215 hp) 2005 is rated for 8 passengers, while the Sea-Doo RXP-X Senna 350 2027 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea-Doo Challenger 180 (215 hp) 2005 could be the deciding factor.
Bottom line: Choose the Sea-Doo Challenger 180 (215 hp) 2005 if your priority is putting more people on the water - it handles 8 passengers and at 17,0 ft it has the deck room to back that rating up comfortably. The Sea-Doo RXP-X Senna 350 2027 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.
General Boat Info
ModelChallenger 180 (215 hp)
ModelRXP-X Senna 350
Model Year2005
Model Year2027
Weight - Detailnot available
Weight - Detail778.23 lbs. (353 kg)
Weight - kgnot available
Weight - kg353
Weight - lbs.not available
Weight - lbs.778.23
Usenot available
UsePersonal watercraft
Measurements / Dimensions
Beam8 ft. 2 in. (2.49 m)
Beamnot available
Beam - Meters2.49
Beam - Meters1.25
Beam - Inches98
Beam - Inches49.21
Deadrise20℃
Deadrisenot available
Draft [max] - Detail12 in. (30.5 cm)
Draft [max] - Detailnot available
Draft [max] - Meters0.3
Draft [max] - Metersnot available
Draft [max] - Inches12
Draft [max] - Inchesnot available
Weight - Detail2,075 lbs. (941 kg)
Weight - Detailnot available
Weight - kg941.2
Weight - kgnot available
Weight - lbs.2075
Weight - lbs.not available
Length - Meters5.36
Length - Metersnot available
Length - Feet17
Length - Feet10.89
Length - Inches7
Length - Inchesnot available
Length overall - Detail17 ft. 7 in. (5.36 m)
Length overall - Detail10 ft. 11 in. (3.32 m)
Length overall - Meters5.36
Length overall - Meters3.32
Length overall - Inches211
Length overall - Inches130.71
Height - Detailnot available
Height - Detail43.7 in. (1.11 m)
Height - Inchesnot available
Height - Inches43.7
Height - Metersnot available
Height - Meters1.11
Engine and Drivetrain
Engine/s standardIntercooled Supercharged Rotax? 4-TEC? 4-Stroke, 3-cylinder, 1,498 cc
Engine/s standardSingle engine
ExhaustDual muffler
Exhaustnot available
ImpellerStainless steel, progressive pitch
Impellernot available
Intake grateInlet Clearance System
Intake gratenot available
Jet pumpAxial flow, single-stage
Jet pumpnot available
Fuel systemMPI fuel injection
Fuel systemnot available
Fuel tank capacity - Detail21 gal. (79 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters79.49
Fuel tank capacity - Liters70
Fuel tank capacity - Gal21
Fuel tank capacity - Gal18.5
Drive typeJet Drive
Drive typeJet propulsion
Engine max215 hp, 8,000 rpm
Engine max350 hp
BatteryElectric with D.E.S.S. (Digitally Encoded Security System) / 12 volt
Batterynot available
LubricationDry sump oil system
Lubricationnot available
Oil capacity - Detail0.9
Oil capacity - Detailnot available
Oil capacity - Liters3.41
Oil capacity - Litersnot available
Fuel typenot available
Fuel typeGasoline
Horsepowernot available
Horsepower350 hp
Engine makenot available
Engine makeRotax
Engine modelnot available
Engine model1630 ACE (1,630 cc)
Max no of enginesnot available
Max no of engines1
Operational Info
Maximum capacity1,440 lbs. (653 kg)
Maximum capacitynot available
Maximum people8
Maximum people1
Boat typenot available
Boat typePower
Storagenot available
Storage153.7 L total
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeT3-R hull
Warranty Info
Warrantynot available
Warranty2 year BRP limited watercraft warranty
Options / Other
Optionsnot available
OptionsFront-bin and lid organizers; tow-point cleat adapter; wakeboard rack; boarding ladder; wind deflectors; LinQ rear floating-mat holder.