Larson Marine Cabrio 274 2006 vs Larson SEi 180 Fish Series I/O 2005 - Boat Spec Comparison

Q: What is the maximum horsepower rating for these boats?

The Larson Marine Cabrio 274 2006 has a documented max rating of 320 hp. Engine specifications for the Larson SEi 180 Fish Series I/O 2005 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

Q: How many people can each boat hold?

The Larson Marine Cabrio 274 2006 is Coast Guard rated for 8 passengers, while the Larson SEi 180 Fish Series I/O 2005 is certified for 6. 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.

Q: Which boat has the larger fuel tank — the Larson Marine Cabrio 274 2006 or the Larson SEi 180 Fish Series I/O 2005?

The Larson Marine Cabrio 274 2006 has the bigger tank at 85 gallons, versus 23 gallons on the Larson SEi 180 Fish Series I/O 2005. That 62-gallon difference translates to roughly 186–310 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Larson Marine Cabrio 274 2006 and Larson SEi 180 Fish Series I/O 2005 from the same manufacturer?

Yes — both the Larson Marine Cabrio 274 2006 and the Larson SEi 180 Fish Series I/O 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.

Boat Comparison

Larson Marine Cabrio 274 2006 vs Larson SEi 180 Fish Series I/O 2005

Larson

Larson Marine Cabrio 274 2006

2006

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Larson

Larson SEi 180 Fish Series I/O 2005

2005

View full specs →

Detailed Evaluation & Buyer Recommendation

Larson Marine Cabrio 274 2006 vs Larson SEi 180 Fish Series I/O 2005 — Same Brand, Different Boat

The Larson Marine Cabrio 274 2006 vs Larson SEi 180 Fish Series I/O 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 Marine Cabrio 274 2006 carries a rated maximum of 320 hp. Engine data for the Larson SEi 180 Fish Series I/O 2005 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Larson Marine Cabrio 274 2006 carries 85 gallons versus 23 gallons in the Larson SEi 180 Fish Series I/O 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 Marine Cabrio 274 2006 is rated for 8 passengers, while the Larson SEi 180 Fish Series I/O 2005 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Larson Marine Cabrio 274 2006 could be the deciding factor.

Bottom line: Choose the Larson Marine Cabrio 274 2006 if your priority is putting more people on the water — it handles 8 passengers and at 28,0 ft it has the deck room to back that rating up comfortably. The Larson SEi 180 Fish Series I/O 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.

Measurements / Dimensions

Length overall - Detail28.00 ft

Length overall - Detail17 ft. 6 in

Length - Feet28

Length - Feetnot available

Length overall - Meters8.53

Length overall - Meters5.33

Length overall - Inches336

Length overall - Inches21

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. max

Draft [max] - Metersnot available

Draft [max] - Meters0.79

Draft [max] - Inchesnot available

Draft [max] - Inches31

Weight - Detailnot available

Weight - Detail2,650 lbs. apx

Weight - kgnot available

Weight - kg1202.02

Weight - lbs.not available

Weight - lbs.265

Engine and Drivetrain

Fuel tank capacity - Gal85

Fuel tank capacity - Gal23

Fuel tank capacity - Liters321.76

Fuel tank capacity - Liters87.06

Engine makeVolvo Penta

Engine makenot available

Horsepower320 hp

Horsepowernot available

Fuel typeGas

Fuel typenot available

Drive typeinboard

Drive typenot available

Fuel tank capacity - Detailnot available

Fuel tank capacity - Detail23 gal

Operational Info

Water capacity28

Water capacitynot available

Holding tank capacity - Gal4

Holding tank capacity - Galnot available

Holding tank capacity - Liters15.14

Holding tank capacity - Litersnot available

Boat typePower

Boat typenot available

Maximum capacitynot available

Maximum capacity1,100 lbs

Maximum peoplenot available

Maximum people6 Persons

General Boat Info

Makenot available

MakeLarson

Modelnot available

ModelSEi 180 Fish Series I/O

Model Yearnot available

Model Year2005

Body / Hull

Hull materialnot available

Hull materialFiberglass

Larson Marine Cabrio 274 2006 vs Larson SEi 180 Fish Series I/O 2005 — Common Questions

What is the maximum horsepower rating for these boats?

The Larson Marine Cabrio 274 2006 has a documented max rating of 320 hp. Engine specifications for the Larson SEi 180 Fish Series I/O 2005 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 274 2006 is Coast Guard rated for 8 passengers, while the Larson SEi 180 Fish Series I/O 2005 is certified for 6. 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 274 2006 or the Larson SEi 180 Fish Series I/O 2005?

The Larson Marine Cabrio 274 2006 has the bigger tank at 85 gallons, versus 23 gallons on the Larson SEi 180 Fish Series I/O 2005. That 62-gallon difference translates to roughly 186–310 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Larson Marine Cabrio 274 2006 and Larson SEi 180 Fish Series I/O 2005 from the same manufacturer?

Yes — both the Larson Marine Cabrio 274 2006 and the Larson SEi 180 Fish Series I/O 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.

← Larson Marine Cabrio 274 2006 full specs ← Larson SEi 180 Fish Series I/O 2005 full specs