Sea Ray Express Cruiser 340 1988 boat specs
Sea Ray
Sea Ray Express Cruiser 340 1988
1988
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VS
Sea Ray Sun Sport 230 2021 boat specs
Sea Ray
Sea Ray Sun Sport 230 2021
2021
View full specs →

Sea Ray Express Cruiser 340 1988 vs Sea Ray Sun Sport 230 2021 — Same Brand, Different Boat

The Sea Ray Express Cruiser 340 1988 vs Sea Ray Sun Sport 230 2021 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 Sea Ray Express Cruiser 340 1988 carries a rated maximum of 340 hp. Engine data for the Sea Ray Sun Sport 230 2021 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.

For family outings this is probably the sharpest distinction between the two. The Sea Ray Express Cruiser 340 1988 is rated for 10 passengers, while the Sea Ray Sun Sport 230 2021 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 Express Cruiser 340 1988 could be the deciding factor.

Bottom line: Choose the Sea Ray Express Cruiser 340 1988 if your priority is putting more people on the water — it handles 10 passengers and at 34,0 ft it has the deck room to back that rating up comfortably. The Sea Ray Sun Sport 230 2021 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail34.00 ft
Length overall - Detail23.00 ft
Length - Feet34
Length - Feet23
Length overall - Meters10.36
Length overall - Meters7.01
Length overall - Inches408
Length overall - Inches276
Beam11.11 ft
Beamnot available
Beam - Meters3.39
Beam - Metersnot available
Beam - Inches133
Beam - Inchesnot available
Draft [max] - Detail2.50 ft
Draft [max] - Detail0.00 ft
Draft [max] - Meters0.76
Draft [max] - Meters0
Draft [max] - Inches30
Draft [max] - Inches0
Displacement10100.00 lbs
Displacementnot available
Engine and Drivetrain
Fuel tank capacity - Gal25
Fuel tank capacity - Galnot available
Fuel tank capacity - Liters946.35
Fuel tank capacity - Litersnot available
Engine makeMercruiser
Engine makenot available
Horsepower340 hp
Horsepowernot available
Fuel typeGas
Fuel typenot available
Drive typeinboard
Drive typenot available
Operational Info
Sleeping capacity2
Sleeping capacitynot available
Cabins1
Cabinsnot available
Head1
Headnot available
Water capacity52
Water capacitynot available
Boat typePower
Boat typePower

Sea Ray Express Cruiser 340 1988 vs Sea Ray Sun Sport 230 2021 — Common Questions

Which is the larger boat — the Sea Ray Express Cruiser 340 1988 or the Sea Ray Sun Sport 230 2021?
The Sea Ray Express Cruiser 340 1988 is the longer of the two at 34,0 feet overall. The Sea Ray Sun Sport 230 2021 comes in at 23,0 feet, making it roughly 11,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Sea Ray Express Cruiser 340 1988 has a documented max rating of 340 hp. Engine specifications for the Sea Ray Sun Sport 230 2021 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Sea Ray Express Cruiser 340 1988 is Coast Guard rated for 10 passengers, while the Sea Ray Sun Sport 230 2021 is certified for 7. 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.
Are the Sea Ray Express Cruiser 340 1988 and Sea Ray Sun Sport 230 2021 from the same manufacturer?
Yes — both the Sea Ray Express Cruiser 340 1988 and the Sea Ray Sun Sport 230 2021 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.