Larson Marine Cabrio 290 1998 boat specs
Larson
Larson Marine Cabrio 290 1998
1998
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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 Marine Cabrio 290 1998 vs Larson SEi 180 Fish Series O/B 2005 — Same Brand, Different Boat

The Larson Marine Cabrio 290 1998 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 Larson SEi 180 Fish Series O/B 2005 tops out at 175 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 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.

Both boats are rated for 8 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

Bottom line: The Larson Marine Cabrio 290 1998 and Larson SEi 180 Fish Series O/B 2005 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
Measurements / Dimensions
Length overall - Detail29.00 ft
Length overall - Detail18 ft. 6 in
Length - Feet29
Length - Feetnot available
Length overall - Meters8.84
Length overall - Meters5.64
Length overall - Inches348
Length overall - Inches222
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] - Detail33 in. max
Draft [max] - Metersnot available
Draft [max] - Meters0.84
Draft [max] - Inchesnot available
Draft [max] - Inches33
Weight - Detailnot available
Weight - Detail1,785 lbs. apx
Weight - kgnot available
Weight - kg809.66
Weight - lbs.not available
Weight - lbs.1785
Height [transom]not available
Height [transom]20 in
Engine and Drivetrain
Fuel tank capacity - Gal125
Fuel tank capacity - Gal29
Fuel tank capacity - Liters473.18
Fuel tank capacity - Liters109.78
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 - Detail29 gal
Engine maxnot available
Engine max175 HP
Operational Info
Water capacity33
Water capacitynot available
Holding tank capacity - Gal3
Holding tank capacity - Galnot available
Holding tank capacity - Liters113.56
Holding tank capacity - Litersnot available
Boat typePower
Boat typenot available
Maximum capacitynot available
Maximum capacity1,880 lbs
Maximum peoplenot available
Maximum people8 Persons
General Boat Info
Makenot available
MakeLarson
Modelnot available
ModelSEi 180 Fish Series O/B
Model Yearnot available
Model Year2005
Body / Hull
Hull materialnot available
Hull materialFiberglass

Larson Marine Cabrio 290 1998 vs Larson SEi 180 Fish Series O/B 2005 — Common Questions

What is the maximum horsepower rating for these boats?
The Larson SEi 180 Fish Series O/B 2005 has a documented max rating of 175 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 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 has the larger fuel tank — the Larson Marine Cabrio 290 1998 or the Larson SEi 180 Fish Series O/B 2005?
The Larson Marine Cabrio 290 1998 has the bigger tank at 125 gallons, versus 29 gallons on the Larson SEi 180 Fish Series O/B 2005. That 96-gallon difference translates to roughly 288–480 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 Fish Series O/B 2005 from the same manufacturer?
Yes — both the Larson Marine Cabrio 290 1998 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.