Detailed Evaluation & Buyer Recommendation
Sea Ray 450 Sedan Bridge 2011 vs Sea Ray Express Cruiser 390 1990 — Same Brand, Different Boat
The Sea Ray 450 Sedan Bridge 2011 vs Sea Ray Express Cruiser 390 1990 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 450 Sedan Bridge 2011 measures 45,4 feet overall (2011), giving it roughly 3,4 additional feet of deck space compared to the Sea Ray Express Cruiser 390 1990 at 42,0 feet (1990). Weight tells a clearer story for trailering families: the Sea Ray Express Cruiser 390 1990 tips the scales at 16 400 lbs — 16 115 lbs less than the Sea Ray 450 Sedan Bridge 2011 at 285 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 478 hp, the Sea Ray 450 Sedan Bridge 2011 has a 108-hp advantage over the Sea Ray Express Cruiser 390 1990's 370-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 Ray 450 Sedan Bridge 2011 carries 35 gallons versus 3 gallons in the Sea Ray Express Cruiser 390 1990. 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 450 Sedan Bridge 2011 is rated for 13 passengers, while the Sea Ray Express Cruiser 390 1990 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray 450 Sedan Bridge 2011 could be the deciding factor.
Bottom line: Choose the Sea Ray 450 Sedan Bridge 2011 if your priority is putting more people on the water — it handles 13 passengers and at 45,4 ft it has the deck room to back that rating up comfortably. The Sea Ray Express Cruiser 390 1990 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.
General Boat Info
MakeSea Ray
Makenot available
Model450 Sedan Bridge
Modelnot available
Model Year2011
Model Yearnot available
Measurements / Dimensions
Beam14 ft. 3 in. (4.27 m)
Beam13.11 ft
Beam - Meters4.34
Beam - Meters4
Beam - Inches171
Beam - Inches157
Deadrise18℃
Deadrisenot available
Draft [max] - DetailInboards: 44 in. (112 cm)
Draft [max] - Detail2.40 ft
Draft [max] - Meters1.12
Draft [max] - Meters0.73
Draft [max] - Inches44
Draft [max] - Inches29
Weight - Detail28,500 lbs. (12,927 kg)
Weight - Detailnot available
Weight - kg12927.37
Weight - kgnot available
Weight - lbs.285
Weight - lbs.not available
Length - Feet45.42
Length - Feet42
Length overall - Detail45 ft. 5 in. (13.84 m)
Length overall - Detail42.00 ft
Length overall - Meters13.84
Length overall - Meters12.8
Length overall - Inches545
Length overall - Inches504
Displacementnot available
Displacement16400.00 lbs
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeSemi Displacement
Hull typenot available
Engine and Drivetrain
Engine/s standardT-Cummins MerCruiser? QSC-500 Diesel V-drives with ETS
Engine/s standardnot available
Fuel tank capacity - Detail350 gal. (1,324 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters1324.89
Fuel tank capacity - Liters1135.62
Fuel tank capacity - Gal35
Fuel tank capacity - Gal3
Fuel typeDiesel
Fuel typeGas
Drive typeInboard - Twin
Drive typeinboard
HorsepowerTwin 478 hp (356 kW)
Horsepower370 hp
Engine maxTwin 478 hp (356 kW)
Engine maxnot available
Engine makenot available
Engine makeMercruiser
Engine modelnot available
Engine model454 raw water cooled
Engine 2 Engine Makenot available
Engine 2 Engine MakeMercruiser
Engine 2 Engine Modelnot available
Engine 2 Engine Model454 raw water cooled
Engine 2 Horsepowernot available
Engine 2 Horsepower370 hp
Engine 2 Fuel Typenot available
Engine 2 Fuel TypeGas
Engine 2 Drive Typenot available
Engine 2 Drive Typeinboard
Operational Info
Water capacity120 gal. (454 l)
Water capacity1
Holding tank capacity - Detail42 gal. (159 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Liters158.99
Holding tank capacity - Liters151.42
Holding tank capacity - Gal42
Holding tank capacity - Gal4
Sleeping capacitynot available
Sleeping capacity4
Cabinsnot available
Cabins2
Boat typenot available
Boat typePower