Larson LXi 208 I/O 2007 boat specs
Larson
Larson LXi 208 I/O 2007
2007
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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 LXi 208 I/O 2007 vs Larson SEi 180 Fish Series O/B 2005 — Same Brand, Different Boat

The Larson LXi 208 I/O 2007 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 270 hp, the Larson LXi 208 I/O 2007 has a 95-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. Both carry nearly identical fuel loads — 29 gal and 29 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Larson LXi 208 I/O 2007 is rated for 9 passengers, while the Larson SEi 180 Fish Series O/B 2005 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Larson LXi 208 I/O 2007 could be the deciding factor.

Bottom line: Choose the Larson LXi 208 I/O 2007 if your priority is putting more people on the water — it handles 9 passengers and at 2,0 ft it has the deck room to back that rating up comfortably. The Larson SEi 180 Fish Series O/B 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.
General Boat Info
MakeLarson
MakeLarson
ModelLXi 208 I/O
ModelSEi 180 Fish Series O/B
Model Year2007
Model Year2005
Measurements / Dimensions
Beam7 ft. 10 in. (2.39 m)
Beam7 ft. 9 in
Beam - Meters2.39
Beam - Meters2.36
Beam - Inches94
Beam - Inches93
Deadrise21℃
Deadrise21℃
Draft [max] - Detail33 in. (83.9 cm)
Draft [max] - Detail33 in. max
Draft [max] - Meters0.84
Draft [max] - Meters0.84
Draft [max] - Inches33
Draft [max] - Inches33
Weight - Detail3,245 lbs. (1,472 kg)
Weight - Detail1,785 lbs. apx
Weight - kg1471.91
Weight - kg809.66
Weight - lbs.3245
Weight - lbs.1785
Length - Meters6.37
Length - Metersnot available
Length - Feet2
Length - Feetnot available
Length - Inches9
Length - Inchesnot available
Length overall - Detail20 ft. 9 in. (6.37 m)
Length overall - Detail18 ft. 6 in
Length overall - Meters6.32
Length overall - Meters5.64
Length overall - Inches249
Length overall - Inches222
Height [transom]not available
Height [transom]20 in
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail29 gal. (109.8 l)
Fuel tank capacity - Detail29 gal
Fuel tank capacity - Liters109.78
Fuel tank capacity - Liters109.78
Fuel tank capacity - Gal29
Fuel tank capacity - Gal29
Fuel typeGas
Fuel typenot available
Drive typeInboard/Outboard
Drive typenot available
Engine max270 hp
Engine max175 HP
Operational Info
Maximum capacity1,400 lbs. (635 kg)
Maximum capacity1,880 lbs
Maximum people9
Maximum people8 Persons

Larson LXi 208 I/O 2007 vs Larson SEi 180 Fish Series O/B 2005 — Common Questions

Which is easier to trailer — the Larson LXi 208 I/O 2007 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 3 245 lbs for the Larson LXi 208 I/O 2007. 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 LXi 208 I/O 2007 is rated to a maximum of 270 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 LXi 208 I/O 2007 is Coast Guard rated for 9 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 LXi 208 I/O 2007 measures 94" 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.
How do the fuel tanks compare on the Larson LXi 208 I/O 2007 and Larson SEi 180 Fish Series O/B 2005?
Both boats carry similar fuel loads — 29 gallons and 29 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Larson LXi 208 I/O 2007 and Larson SEi 180 Fish Series O/B 2005 from the same manufacturer?
Yes — both the Larson LXi 208 I/O 2007 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.