Detailed Evaluation & Buyer Recommendation
Sea Ray 185 Sport 2005 vs Sea Ray 390 Sundancer 2011 — Same Brand, Different Boat
The Sea Ray 185 Sport 2005 vs Sea Ray 390 Sundancer 2011 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 390 Sundancer 2011 measures 39,0 feet overall (2011), giving it roughly 21,0 additional feet of deck space compared to the Sea Ray 185 Sport 2005 at 18,0 feet (2005). At 265 lbs and 246 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The Sea Ray 390 Sundancer 2011 tops out at 425 hp. Engine specs for the Sea Ray 185 Sport 2005 aren't listed — confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads — 26 gal and 25 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Sea Ray 390 Sundancer 2011 is rated for 11 passengers, while the Sea Ray 185 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 390 Sundancer 2011 could be the deciding factor.
Bottom line: Choose the Sea Ray 390 Sundancer 2011 if your priority is putting more people on the water — it handles 11 passengers and at 39,0 ft it has the deck room to back that rating up comfortably. The Sea Ray 185 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
Model185 Sport
Model390 Sundancer?
Model Year2005
Model Year2011
Measurements / Dimensions
Beam76 in. (2.29 m)
Beam12 ft. 6 in. (3.81 m)
Beam - Meters1.93
Beam - Meters3.81
Beam - Inches76
Beam - Inches15
Deadrise19℃
Deadrise21℃
Draft [drive up] - Detail18 in. (45.7 cm)
Draft [drive up] - DetailAxius: 26 in. (67 cm)
Draft [drive up] meters0.46
Draft [drive up] meters0.66
Draft [drive up] inches18
Draft [drive up] inches26
Draft [max] - Detail36 in. (91.4 cm)
Draft [max] - DetailAxius Drives: 36 in. (91 cm) Zeus: 46 in. (117 cm) Gas V-Drives: 40 in. (101 cm)
Draft [max] - Meters0.91
Draft [max] - Meters1.17
Draft [max] - Inches36
Draft [max] - Inches46
Weight - Detail2,650 lbs. (1,202 kg)
Weight - DetailWith Axius: 19,933 lbs. (9,041 kg) Gas V-Drives: 20,500 lbs. (9,299 kg) Zeus: 24,600 lbs. (11,158 kg)
Weight - kg1202.02
Weight - kg11158.36
Weight - lbs.265
Weight - lbs.246
Length - Meters5.64
Length - Metersnot available
Length - Feet18
Length - Feet39
Length - Inches6
Length - Inchesnot available
Length overall - Detail18 ft. 6 in. (5.64 m)
Length overall - Detail39 ft. 0 in. (11.89 m)
Length overall - Meters5.64
Length overall - Meters11.89
Length overall - Inches222
Length overall - Inches468
Engine and Drivetrain
Engine/s standard3.0L Alpha I MCM Stern Drive (135 hp - 101 kw)
Engine/s standardT-VD 8.2S ECT Horizon with DTS
Fuel tank capacity - Detail26 gal. (98.4 l)
Fuel tank capacity - Detail250 gal. (946 l)
Fuel tank capacity - Liters98.42
Fuel tank capacity - Liters946.35
Fuel tank capacity - Gal26
Fuel tank capacity - Gal25
Drive typeI/O
Drive typeI/O - Twin
Engine makenot available
Engine makeMerCruiser®
Fuel typenot available
Fuel typeGas or Diesel
Horsepowernot available
HorsepowerT-375 hp (280 kW)
Engine maxnot available
Engine maxTwin 425 hp (317 kW)
Operational Info
Maximum capacity1,200 lbs. (544.3 kg)
Maximum capacitynot available
Maximum people7
Maximum peoplenot available
Water capacitynot available
Water capacity55 gal. (208 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Detail35 gal. (132 l)
Holding tank capacity - Litersnot available
Holding tank capacity - Liters132.49
Holding tank capacity - Galnot available
Holding tank capacity - Gal35
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeSemi Displacement