Detailed Evaluation & Buyer Recommendation
Sea Doo GTX 170 2025 vs Sea-Doo 180 Challenger SE 2008 — Same Brand, Different Boat
The Sea Doo GTX 170 2025 vs Sea-Doo 180 Challenger SE 2008 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 GTX 170 2025 measures 135,9 feet overall (2025), giving it roughly 118,9 additional feet of deck space compared to the Sea-Doo 180 Challenger SE 2008 at 17,0 feet (2008). Weight tells a clearer story for trailering families: the Sea-Doo 180 Challenger SE 2008 tips the scales at 1 968 lbs — 1 172 lbs less than the Sea Doo GTX 170 2025 at 796 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 215 hp, the Sea-Doo 180 Challenger SE 2008 has a 45-hp advantage over the Sea Doo GTX 170 2025's 170-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 180 Challenger SE 2008 carries 28 gallons versus 7 gallons in the Sea Doo GTX 170 2025. 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 GTX 170 2025 is rated for 41 passengers, while the Sea-Doo 180 Challenger SE 2008 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 GTX 170 2025 could be the deciding factor.
Bottom line: Choose the Sea Doo GTX 170 2025 if your priority is putting more people on the water — it handles 41 passengers and at 135,9 ft it has the deck room to back that rating up comfortably. The Sea-Doo 180 Challenger SE 2008 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 - Detail135.90 ft
Length overall - Detail17 ft. 7 in. (5.36 m)
Length - Feet135.9
Length - Feet17
Length overall - Meters41.42
Length overall - Meters5.36
Length overall - Inches1631
Length overall - Inches211
Beam49.20 ft
Beam8 ft. 2 in. (2.49 m)
Beam - Meters15
Beam - Meters2.49
Beam - Inches590
Beam - Inches98
Displacement796.00 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 - Detail1,968 lbs. (893 kg)
Weight - kgnot available
Weight - kg892.67
Weight - lbs.not available
Weight - lbs.1968
Length - Metersnot available
Length - Meters5.36
Length - Inchesnot available
Length - Inches7
Engine and Drivetrain
Fuel tank capacity - Gal7
Fuel tank capacity - Gal28
Fuel tank capacity - Liters264.98
Fuel tank capacity - Liters105.99
Engine makeRotax
Engine makenot available
Engine model1630 ACE
Engine modelnot available
Horsepower170 hp
Horsepowernot available
Engine/s standardnot available
Engine/s standard4-TEC? 1503, 4-stroke, 3-cylinders, 1,494 cc
Impellernot available
ImpellerStainless steel
Jet pumpnot available
Jet pump6 1/4 in. (15.63 cm)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail28 gal. (105 l)
Drive typenot available
Drive typeJet Drive
Engine maxnot available
Engine max215 hp @ 8,000 rpm
Batterynot available
Battery12V
Oil capacity - Detailnot available
Oil capacity - Detail0.92
Oil capacity - Litersnot available
Oil capacity - Liters3.48
Operational Info
TrailerableYes
Trailerablenot available
Boat typePower
Boat typenot available
Storagenot available
Storage23 cu. ft. (0.65 cu. m)
Maximum capacitynot available
Maximum capacity1,440 lbs. (653 kg)
Maximum peoplenot available
Maximum people8
General Boat Info
Makenot available
MakeSea-Doo
Modelnot available
Model180 Challenger SE
Model Yearnot available
Model Year2008
Body / Hull
Hull materialnot available
Hull materialComposite
Hull typenot available
Hull typeModified Vee
Trailer Info
Trailer - Heightnot available
Trailer - HeightNo Tower: 6 ft. 5 in. (1.95 m) Tower Down: 6. ft. 7 in. (2 m) Tower Up: 8 ft. 5 in. (2.57 m)
Trailer - Length over allnot available
Trailer - Length over all18 ft. 8 in. (5.68 m) with swing-away tongue folded
Trailer - Weightnot available
Trailer - Weight2,898 lbs. (1,315 kg)
Trailer - Widthnot available
Trailer - Width8 ft. 2 in. (2.49 m)