Larson Marine Cabrio 290 1998 boat specs
Larson
Larson Marine Cabrio 290 1998
1998
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VS
Larson SEi 180 I/O 2004 boat specs
Larson
Larson SEi 180 I/O 2004
2004
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Larson Marine Cabrio 290 1998 vs Larson SEi 180 I/O 2004: Same Brand, Different Boat

The Larson Marine Cabrio 290 1998 vs Larson SEi 180 I/O 2004 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 Larson SEi 180 I/O 2004 tops out at 150 hp. Engine specs for the Larson Marine Cabrio 290 1998 aren't listed - confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Larson Marine Cabrio 290 1998 carries 125 gallons versus 23 gallons in the Larson SEi 180 I/O 2004. 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 Marine Cabrio 290 1998 is rated for 8 passengers, while the Larson SEi 180 I/O 2004 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Larson Marine Cabrio 290 1998 could be the deciding factor.

Bottom line: Choose the Larson Marine Cabrio 290 1998 if your priority is putting more people on the water - it handles 8 passengers and at 29,0 ft it has the deck room to back that rating up comfortably. The Larson SEi 180 I/O 2004 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail29.00 ft
Length overall - Detail17 ft. 6 in.
Length - Feet29
Length - Feetnot available
Length overall - Meters8.84
Length overall - Meters5.33
Length overall - Inches348
Length overall - Inches210
Beamnot available
Beam7 ft. 9 in.
Beam - Metersnot available
Beam - Meters2.36
Beam - Inchesnot available
Beam - Inches93
Deadrisenot available
Deadrise21℃
Draft [max] - Detailnot available
Draft [max] - Detail31 in.
Draft [max] - Metersnot available
Draft [max] - Meters0.79
Draft [max] - Inchesnot available
Draft [max] - Inches31
Weight - Detailnot available
Weight - Detail2,365 lbs. apx.
Weight - kgnot available
Weight - kg1072.75
Weight - lbs.not available
Weight - lbs.2365
Engine and Drivetrain
Fuel tank capacity - Gal125
Fuel tank capacity - Gal23
Fuel tank capacity - Liters473.18
Fuel tank capacity - Liters87.06
Engine makeMercruiser rwc I/O
Engine makenot available
Fuel typeGas
Fuel typenot available
Drive typeinboard
Drive typenot available
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail23 gal.
Engine maxnot available
Engine max150 HP
Operational Info
Water capacity33
Water capacitynot available
Holding tank capacity - Gal30
Holding tank capacity - Galnot available
Holding tank capacity - Liters113.56
Holding tank capacity - Litersnot available
Boat typePower
Boat typenot available
Maximum capacitynot available
Maximum capacity1,275 lbs.
General Boat Info
Makenot available
MakeLarson
Modelnot available
ModelSEi 180 I/O
Model Yearnot available
Model Year2004
Body / Hull
Hull materialnot available
Hull materialFiberglass

Larson Marine Cabrio 290 1998 vs Larson SEi 180 I/O 2004 - Common Questions

What is the maximum horsepower rating for these boats?
The Larson SEi 180 I/O 2004 has a documented max rating of 150 hp. Engine specifications for the Larson Marine Cabrio 290 1998 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 Larson Marine Cabrio 290 1998 is Coast Guard rated for 8 passengers, while the Larson SEi 180 I/O 2004 is certified for 5. 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 has the larger fuel tank - the Larson Marine Cabrio 290 1998 or the Larson SEi 180 I/O 2004?
The Larson Marine Cabrio 290 1998 has the bigger tank at 125 gallons, versus 23 gallons on the Larson SEi 180 I/O 2004. That 102-gallon difference translates to roughly 306–510 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Larson Marine Cabrio 290 1998 and Larson SEi 180 I/O 2004 from the same manufacturer?
Yes - both the Larson Marine Cabrio 290 1998 and the Larson SEi 180 I/O 2004 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.