Larson 310 Cabrio 2010 vs Larson SEi 180 Sport 2005 - Boat Spec Comparison

Q: Which is easier to trailer — the Larson 310 Cabrio 2010 or the Larson SEi 180 Sport 2005?

For trailering, the Larson 310 Cabrio 2010 has the edge at 104 lbs dry weight versus 2 365 lbs for the Larson SEi 180 Sport 2005. 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.

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

The Larson 310 Cabrio 2010 has a documented max rating of 320 hp. Engine specifications for the Larson SEi 180 Sport 2005 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

Q: How many passengers can the Larson SEi 180 Sport 2005 carry?

The Larson SEi 180 Sport 2005 has an official capacity rating of 8 people. Capacity data wasn't available for the other model in this comparison — verify directly with the dealer.

Q: Which boat is wider, and does it affect trailering?

The Larson 310 Cabrio 2010 measures 126" wide, compared to 93" for the Larson SEi 180 Sport 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.

Q: Which boat has the larger fuel tank — the Larson 310 Cabrio 2010 or the Larson SEi 180 Sport 2005?

The Larson SEi 180 Sport 2005 has the bigger tank at 23 gallons, versus 16 gallons on the Larson 310 Cabrio 2010. That 7-gallon difference translates to roughly 21–35 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Larson 310 Cabrio 2010 and Larson SEi 180 Sport 2005 from the same manufacturer?

Yes — both the Larson 310 Cabrio 2010 and the Larson SEi 180 Sport 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 310 Cabrio 2010 vs Larson SEi 180 Sport 2005

Larson

Larson 310 Cabrio 2010

2010

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Larson

Larson SEi 180 Sport 2005

2005

View full specs →

Detailed Evaluation & Buyer Recommendation

Larson 310 Cabrio 2010 vs Larson SEi 180 Sport 2005 — Same Brand, Different Boat

The Larson 310 Cabrio 2010 vs Larson SEi 180 Sport 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 310 Cabrio 2010 carries a rated maximum of 320 hp. Engine data for the Larson SEi 180 Sport 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 SEi 180 Sport 2005 carries 23 gallons versus 16 gallons in the Larson 310 Cabrio 2010. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Bottom line: The Larson 310 Cabrio 2010 and Larson SEi 180 Sport 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.

General Boat Info

MakeLarson

Model310 Cabrio

ModelSEi 180 Sport

Model Year201

Model Year2005

Measurements / Dimensions

Beam10 ft. 6 in. (3.2 m)

Beam7 ft. 9 in

Beam - Meters3.2

Beam - Meters2.36

Beam - Inches126

Beam - Inches93

Bridge clearance - DetailWith Arch: 9 ft. 4 in. (2.84 m)

Bridge clearance - Detailnot available

Bridge clearance - Meters2.84

Bridge clearance - Metersnot available

Bridge clearance - Inches112

Bridge clearance - Inchesnot available

Deadrise20℃

Deadrise21℃

Draft [max] - Detail34 in. (86.4 cm)

Draft [max] - Detail31 in

Draft [max] - Meters0.86

Draft [max] - Meters0.79

Draft [max] - Inches34

Draft [max] - Inches31

Weight - Detail10,400 lbs. (4,717 kg)

Weight - Detail2,365 lbs. apx

Weight - kg4717.36

Weight - kg1072.75

Weight - lbs.104

Weight - lbs.2365

Length - Feet31

Length - Feetnot available

Length [over all with swim platform]With Pulpit: 31 ft. 0 in. (9.44 m)

Length [over all with swim platform]not available

Length overall - Detailnot available

Length overall - Detail17 ft. 6 in

Length overall - Metersnot available

Length overall - Meters5.33

Length overall - Inchesnot available

Length overall - Inches21

Body / Hull

Hull materialFiberglass

Hull typeModified Vee

Hull typenot available

Engine and Drivetrain

Fuel tank capacity - Detail160 gal. (606 l)

Fuel tank capacity - Detail23 gal

Fuel tank capacity - Liters605.67

Fuel tank capacity - Liters87.06

Fuel tank capacity - Gal16

Fuel tank capacity - Gal23

Fuel typeGas or Diesel

Fuel typenot available

Drive typeI/O - Twin

Drive typenot available

Engine max320 hp

Engine maxnot available

Operational Info

Headroom6 ft. 3 in. (1.91 m)

Headroomnot available

Water capacity46 gal. (174 l) Waste: 37 gal. (140 l)

Water capacitynot available

Maximum capacitynot available

Maximum capacity1,275 lbs

Maximum peoplenot available

Maximum people8 Persons

Larson 310 Cabrio 2010 vs Larson SEi 180 Sport 2005 — Common Questions

Which is easier to trailer — the Larson 310 Cabrio 2010 or the Larson SEi 180 Sport 2005?

For trailering, the Larson 310 Cabrio 2010 has the edge at 104 lbs dry weight versus 2 365 lbs for the Larson SEi 180 Sport 2005. 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.

What is the maximum horsepower rating for these boats?

The Larson 310 Cabrio 2010 has a documented max rating of 320 hp. Engine specifications for the Larson SEi 180 Sport 2005 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

How many passengers can the Larson SEi 180 Sport 2005 carry?

The Larson SEi 180 Sport 2005 has an official capacity rating of 8 people. Capacity data wasn't available for the other model in this comparison — verify directly with the dealer.

Which boat is wider, and does it affect trailering?

The Larson 310 Cabrio 2010 measures 126" wide, compared to 93" for the Larson SEi 180 Sport 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 310 Cabrio 2010 or the Larson SEi 180 Sport 2005?

The Larson SEi 180 Sport 2005 has the bigger tank at 23 gallons, versus 16 gallons on the Larson 310 Cabrio 2010. That 7-gallon difference translates to roughly 21–35 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Larson 310 Cabrio 2010 and Larson SEi 180 Sport 2005 from the same manufacturer?

Yes — both the Larson 310 Cabrio 2010 and the Larson SEi 180 Sport 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 310 Cabrio 2010 full specs ← Larson SEi 180 Sport 2005 full specs