Larson Cabrio 777 2011 boat specs
Larson
Larson Cabrio 777 2011
2011
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VS
Larson SEi 180 Fish Series O/B 2005 boat specs
Larson
Larson SEi 180 Fish Series O/B 2005
2005
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Larson Cabrio 777 2011 vs Larson SEi 180 Fish Series O/B 2005: Same Brand, Different Boat

The Larson Cabrio 777 2011 vs Larson SEi 180 Fish Series O/B 2005 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 320 hp, the Larson Cabrio 777 2011 has a 145-hp advantage over the Larson SEi 180 Fish Series O/B 2005's 175-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Larson Cabrio 777 2011 carries 84 gallons versus 29 gallons in the Larson SEi 180 Fish Series O/B 2005. 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 Larson SEi 180 Fish Series O/B 2005 is rated for 8 passengers, while the Larson Cabrio 777 2011 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Larson SEi 180 Fish Series O/B 2005 could be the deciding factor.

Bottom line: Choose the Larson SEi 180 Fish Series O/B 2005 if your priority is putting more people on the water - it handles 8 passengers and at 0,0 ft it has the deck room to back that rating up comfortably. The Larson Cabrio 777 2011 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
MakeLarson
MakeLarson
ModelCabrio 777
ModelSEi 180 Fish Series O/B
Model Year2011
Model Year2005
Measurements / Dimensions
Beam8 ft. 6 in. (2.59 m)
Beam7 ft. 9 in.
Beam - Meters2.59
Beam - Meters2.36
Beam - Inches102
Beam - Inches93
Bridge clearance - Detail9 ft. 2 in. (2.8 m) with arch
Bridge clearance - Detailnot available
Bridge clearance - Meters2.79
Bridge clearance - Metersnot available
Bridge clearance - Inches110
Bridge clearance - Inchesnot available
Deadrise20°
Deadrise21℃
Draft [max] - Detail35 in. (88.9 cm)
Draft [max] - Detail33 in. max.
Draft [max] - Meters0.89
Draft [max] - Meters0.84
Draft [max] - Inches35
Draft [max] - Inches33
Weight - Detail5,850 lbs. (2,653 kg)
Weight - Detail1,785 lbs. apx.
Weight - kg2653.51
Weight - kg809.66
Weight - lbs.5850
Weight - lbs.1785
Length - Feet25.5
Length - Feetnot available
Length overall - Detail25 ft. 6 in. (7.77 m) with pulpit
Length overall - Detail18 ft. 6 in.
Length overall - Meters7.77
Length overall - Meters5.64
Length overall - Inches306
Length overall - Inches222
Height [transom]not available
Height [transom]20 in.
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeDeep Vee
Hull typenot available
Engine and Drivetrain
Engine/s standardMerCruiser 5.0L MPI BIII
Engine/s standardnot available
Fuel tank capacity - Detail84 gal. (318 l)
Fuel tank capacity - Detail29 gal.
Fuel tank capacity - Liters317.97
Fuel tank capacity - Liters109.78
Fuel tank capacity - Gal84
Fuel tank capacity - Gal29
Fuel typeGas or Diesel
Fuel typenot available
Drive typeI/O
Drive typenot available
Horsepower260 hp
Horsepowernot available
Engine max320 hp
Engine max175 HP
Operational Info
Headroom6 ft. 1 in. (1.86 m) in cabin
Headroomnot available
Water capacity19 gal. (72 l)
Water capacitynot available
Holding tank capacity - Detail12 gal. (45 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Liters45.42
Holding tank capacity - Litersnot available
Holding tank capacity - Gal12
Holding tank capacity - Galnot available
Maximum capacitynot available
Maximum capacity1,880 lbs.
Maximum peoplenot available
Maximum people8 Persons

Larson Cabrio 777 2011 vs Larson SEi 180 Fish Series O/B 2005 - Common Questions

Which is easier to trailer - the Larson Cabrio 777 2011 or the Larson SEi 180 Fish Series O/B 2005?
For trailering, the Larson SEi 180 Fish Series O/B 2005 has the edge at 1 785 lbs dry weight versus 5 850 lbs for the Larson Cabrio 777 2011. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
Which boat can handle a bigger outboard?
The Larson Cabrio 777 2011 is rated to a maximum of 320 hp, giving it the larger power ceiling. The Larson SEi 180 Fish Series O/B 2005 tops out at 175 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 Larson Cabrio 777 2011 is Coast Guard rated for 7 passengers, while the Larson SEi 180 Fish Series O/B 2005 is certified for 8. 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 Larson Cabrio 777 2011 measures 102" wide, compared to 93" for the Larson SEi 180 Fish Series O/B 2005. 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 Larson Cabrio 777 2011 or the Larson SEi 180 Fish Series O/B 2005?
The Larson Cabrio 777 2011 has the bigger tank at 84 gallons, versus 29 gallons on the Larson SEi 180 Fish Series O/B 2005. That 55-gallon difference translates to roughly 165–275 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Larson Cabrio 777 2011 and Larson SEi 180 Fish Series O/B 2005 from the same manufacturer?
Yes - both the Larson Cabrio 777 2011 and the Larson SEi 180 Fish Series O/B 2005 are built by Larson. 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.