Sea Ray Express Cruiser 390 1990 boat specs
Sea Ray
Sea Ray Express Cruiser 390 1990
1990
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VS
Sea Ray Sundeck 220 2010 boat specs
Sea Ray
Sea Ray Sundeck 220 2010
2010
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Sea Ray Express Cruiser 390 1990 vs Sea Ray Sundeck 220 2010 — Same Brand, Different Boat

The Sea Ray Express Cruiser 390 1990 vs Sea Ray Sundeck 220 2010 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 370 hp, the Sea Ray Express Cruiser 390 1990 has a 110-hp advantage over the Sea Ray Sundeck 220 2010's 260-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 3 gal and 5 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Sea Ray Express Cruiser 390 1990 is rated for 12 passengers, while the Sea Ray Sundeck 220 2010 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sea Ray Express Cruiser 390 1990 could be the deciding factor.

Bottom line: Choose the Sea Ray Express Cruiser 390 1990 if your priority is putting more people on the water — it handles 12 passengers and at 42,0 ft it has the deck room to back that rating up comfortably. The Sea Ray Sundeck 220 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail42.00 ft
Length overall - Detail22.00 ft
Length - Feet42
Length - Feet22
Length overall - Meters12.8
Length overall - Meters6.71
Length overall - Inches504
Length overall - Inches264
Beam13.11 ft
Beam8.60 ft
Beam - Meters4
Beam - Meters2.62
Beam - Inches157
Beam - Inches103
Draft [max] - Detail2.40 ft
Draft [max] - Detailnot available
Draft [max] - Meters0.73
Draft [max] - Metersnot available
Draft [max] - Inches29
Draft [max] - Inchesnot available
Displacement16400.00 lbs
Displacementnot available
Engine and Drivetrain
Fuel tank capacity - Gal3
Fuel tank capacity - Gal5
Fuel tank capacity - Liters1135.62
Fuel tank capacity - Liters189.27
Engine makeMercruiser
Engine makeMercruiser
Engine model454 raw water cooled
Engine model5.0L MPI Alpha I MCM
Horsepower370 hp
Horsepower260 hp
Fuel typeGas
Fuel typeGas
Drive typeinboard
Drive typenot available
Engine 2 Engine MakeMercruiser
Engine 2 Engine Makenot available
Engine 2 Engine Model454 raw water cooled
Engine 2 Engine Modelnot available
Engine 2 Horsepower370 hp
Engine 2 Horsepowernot available
Engine 2 Fuel TypeGas
Engine 2 Fuel Typenot available
Engine 2 Drive Typeinboard
Engine 2 Drive Typenot available
Operational Info
Sleeping capacity4
Sleeping capacitynot available
Cabins2
Cabinsnot available
Head1
Headnot available
Water capacity1
Water capacity1
Holding tank capacity - Gal4
Holding tank capacity - Galnot available
Holding tank capacity - Liters151.42
Holding tank capacity - Litersnot available
Boat typePower
Boat typePower
Trailerablenot available
TrailerableYes

Sea Ray Express Cruiser 390 1990 vs Sea Ray Sundeck 220 2010 — Common Questions

Which is the larger boat — the Sea Ray Express Cruiser 390 1990 or the Sea Ray Sundeck 220 2010?
The Sea Ray Express Cruiser 390 1990 is the longer of the two at 42,0 feet overall. The Sea Ray Sundeck 220 2010 comes in at 22,0 feet, making it roughly 20,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which boat can handle a bigger outboard?
The Sea Ray Express Cruiser 390 1990 is rated to a maximum of 370 hp, giving it the larger power ceiling. The Sea Ray Sundeck 220 2010 tops out at 260 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many people can each boat hold?
The Sea Ray Express Cruiser 390 1990 is Coast Guard rated for 12 passengers, while the Sea Ray Sundeck 220 2010 is certified for 6. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Which boat is wider, and does it affect trailering?
The Sea Ray Express Cruiser 390 1990 measures 157" wide, compared to 103" for the Sea Ray Sundeck 220 2010. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
How do the fuel tanks compare on the Sea Ray Express Cruiser 390 1990 and Sea Ray Sundeck 220 2010?
Both boats carry similar fuel loads — 3 gallons and 5 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Sea Ray Express Cruiser 390 1990 and Sea Ray Sundeck 220 2010 from the same manufacturer?
Yes — both the Sea Ray Express Cruiser 390 1990 and the Sea Ray Sundeck 220 2010 are built by Sea Ray. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.