Detailed Evaluation & Buyer Recommendation
Sea Ray 180 Sport 2005 vs Sea Ray 290 Sundeck 2008 — Same Brand, Different Boat
The Sea Ray 180 Sport 2005 vs Sea Ray 290 Sundeck 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 Ray 290 Sundeck 2008 measures 29,0 feet overall (2008), giving it roughly 12,0 additional feet of deck space compared to the Sea Ray 180 Sport 2005 at 17,0 feet (2005). Weight tells a clearer story for trailering families: the Sea Ray 290 Sundeck 2008 tips the scales at 6 044 lbs — 6 023 lbs less than the Sea Ray 180 Sport 2005 at 21 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 Sea Ray 290 Sundeck 2008 tops out at 425 hp. Engine specs for the Sea Ray 180 Sport 2005 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Sea Ray 290 Sundeck 2008 carries 93 gallons versus 21 gallons in the Sea Ray 180 Sport 2005. 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 Ray 290 Sundeck 2008 is rated for 8 passengers, while the Sea Ray 180 Sport 2005 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray 290 Sundeck 2008 could be the deciding factor.
Bottom line: Choose the Sea Ray 290 Sundeck 2008 if your priority is putting more people on the water — it handles 8 passengers and at 29,0 ft it has the deck room to back that rating up comfortably. The Sea Ray 180 Sport 2005 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
Model180 Sport
Model290 Sundeck?
Model Year2005
Model Year2008
Measurements / Dimensions
Beam70 in. (2.13 m)
Beam9 ft. 1 in. (2.76 m)
Beam - Meters1.78
Beam - Meters2.77
Beam - Inches7
Beam - Inches109
Deadrise19℃
Deadrise21℃
Draft [drive up] - Detail18 in. (45.7 cm)
Draft [drive up] - Detail23 in. (58 cm)
Draft [drive up] meters0.46
Draft [drive up] meters0.58
Draft [drive up] inches18
Draft [drive up] inches23
Draft [max] - Detail35 in. (88.9 cm)
Draft [max] - Detail39 in. (99 cm)
Draft [max] - Meters0.89
Draft [max] - Meters0.99
Draft [max] - Inches35
Draft [max] - Inches39
Weight - Detail2,100 lbs. (953 kg)
Weight - Detail6,044 lbs. (2,742 kg)
Weight - kg952.54
Weight - kg2741.51
Weight - lbs.21
Weight - lbs.6044
Length - Meters5.33
Length - Meters8.99
Length - Feet17
Length - Feet29
Length - Inches6
Length - Inches6
Length overall - Detail17 ft. 6 in. (5.33 m)
Length overall - Detail29 ft. 6 in. (8.99 m)
Length overall - Meters5.33
Length overall - Meters8.99
Length overall - Inches21
Length overall - Inches354
Engine and Drivetrain
Engine/s standard3.0L Alpha I MCM Stern Drive (135 hp - 101 kw)
Engine/s standardMX6.2 MPI Bravo? III DTS Sterndrive - 320 hp (239 kW)
Fuel tank capacity - Detail21 gal. (79.5 l)
Fuel tank capacity - Detail93 gal. (352 l)
Fuel tank capacity - Liters79.49
Fuel tank capacity - Liters352.04
Fuel tank capacity - Gal21
Fuel tank capacity - Gal93
Drive typeI/O
Drive typeI/O
Fuel typenot available
Fuel typeGas
Engine maxnot available
Engine max425 hp (317 kW)
Operational Info
Maximum capacity980 lbs. (444.5 kg)
Maximum capacitynot available
Maximum people7
Maximum peoplenot available
Water capacitynot available
Water capacity24 gal. (90.8 l)
Holding tank capacity - Detailnot available
Holding tank capacity - DetailOptional: 10 gal. (37.9 l)
Holding tank capacity - Litersnot available
Holding tank capacity - Liters37.85
Holding tank capacity - Galnot available
Holding tank capacity - Gal1
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee