Sunseeker 55 Sport Yacht Sport 2025 boat specs
Sunseeker
Sunseeker 55 Sport Yacht Sport 2025
2025
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VS
Sunseeker Portofino 48 2010 boat specs
Sunseeker
Sunseeker Portofino 48 2010
2010
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Sunseeker 55 Sport Yacht Sport 2025 vs Sunseeker Portofino 48 2010 — Same Brand, Different Boat

The Sunseeker 55 Sport Yacht Sport 2025 vs Sunseeker Portofino 48 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 950 hp, the Sunseeker 55 Sport Yacht Sport 2025 has a 350-hp advantage over the Sunseeker Portofino 48 2010's 600-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sunseeker 55 Sport Yacht Sport 2025 carries 476 gallons versus 348 gallons in the Sunseeker Portofino 48 2010. 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 Sunseeker 55 Sport Yacht Sport 2025 is rated for 17 passengers, while the Sunseeker Portofino 48 2010 caps at 15. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sunseeker 55 Sport Yacht Sport 2025 could be the deciding factor.

Bottom line: Choose the Sunseeker 55 Sport Yacht Sport 2025 if your priority is putting more people on the water — it handles 17 passengers and at 56,3 ft it has the deck room to back that rating up comfortably. The Sunseeker Portofino 48 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 15 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail56.30 ft
Length overall - Detail51.80 ft
Length - Feet56.3
Length - Feet51.8
Length overall - Meters17.16
Length overall - Meters15.79
Length overall - Inches676
Length overall - Inches622
Beam16.20 ft
Beam14.10 ft
Beam - Meters4.94
Beam - Meters4.3
Beam - Inches194
Beam - Inches169
Draft [max] - Detail4.11 ft
Draft [max] - Detail4.30 ft
Draft [max] - Meters1.25
Draft [max] - Meters1.31
Draft [max] - Inches49
Draft [max] - Inches52
Displacementnot available
Displacement36445.00 lbs
Engine and Drivetrain
Fuel tank capacity - Gal476
Fuel tank capacity - Gal348
Fuel tank capacity - Liters1801.86
Fuel tank capacity - Liters1317.32
Engine makeVolvo Penta
Engine makeVolvo Penta
Horsepower950 hp
Horsepower600 hp
Fuel typeDiesel
Fuel typeDiesel
Drive typeinboard
Drive typeinboard
Engine 2 Engine MakeVolvo Penta
Engine 2 Engine MakeVolvo Penta
Engine 2 Horsepower725 hp
Engine 2 Horsepower600 hp
Engine 2 Fuel TypeDiesel
Engine 2 Fuel TypeDiesel
Engine 2 Drive Typeinboard
Engine 2 Drive Typeinboard
Performance
Maximum speed32
Maximum speed34
Maximum speed measureknots
Maximum speed measureknots
Cruising speednot available
Cruising speed23
Cruising speed measurenot available
Cruising speed measureknots
Operational Info
Sleeping capacity4
Sleeping capacity4
Cabins2
Cabins2
Head2
Head2
Water capacity114
Water capacity85
Holding tank capacity - Gal39
Holding tank capacity - Galnot available
Holding tank capacity - Liters147.63
Holding tank capacity - Litersnot available
Boat typePower
Boat typePower

Sunseeker 55 Sport Yacht Sport 2025 vs Sunseeker Portofino 48 2010 — Common Questions

Which is the larger boat — the Sunseeker 55 Sport Yacht Sport 2025 or the Sunseeker Portofino 48 2010?
The Sunseeker 55 Sport Yacht Sport 2025 is the longer of the two at 56,3 feet overall. The Sunseeker Portofino 48 2010 comes in at 51,8 feet, making it roughly 4,5 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which boat can handle a bigger outboard?
The Sunseeker 55 Sport Yacht Sport 2025 is rated to a maximum of 950 hp, giving it the larger power ceiling. The Sunseeker Portofino 48 2010 tops out at 600 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 Sunseeker 55 Sport Yacht Sport 2025 is Coast Guard rated for 17 passengers, while the Sunseeker Portofino 48 2010 is certified for 15. 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 Sunseeker 55 Sport Yacht Sport 2025 measures 194" wide, compared to 169" for the Sunseeker Portofino 48 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.
Which boat has the larger fuel tank — the Sunseeker 55 Sport Yacht Sport 2025 or the Sunseeker Portofino 48 2010?
The Sunseeker 55 Sport Yacht Sport 2025 has the bigger tank at 476 gallons, versus 348 gallons on the Sunseeker Portofino 48 2010. That 128-gallon difference translates to roughly 384–640 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sunseeker 55 Sport Yacht Sport 2025 and Sunseeker Portofino 48 2010 from the same manufacturer?
Yes — both the Sunseeker 55 Sport Yacht Sport 2025 and the Sunseeker Portofino 48 2010 are built by Sunseeker. 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.