Achilles LEX-77 2007 boat specs
Achilles
Achilles LEX-77 2007
2007
View full specs →
VS
Achilles LSI-77 2006 boat specs
Achilles
Achilles LSI-77 2006
2006
View full specs →

Achilles LEX-77 2007 vs Achilles LSI-77 2006 — Same Brand, Different Boat

The Achilles LEX-77 2007 vs Achilles LSI-77 2006 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.

On paper these two are close siblings in the size department — Achilles LEX-77 2007 at 7,0 ft versus Achilles LSI-77 2006 at 7,0 ft. At 62 lbs and 6 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

Both boats share a closely matched power ceiling — 4 hp for the Achilles LEX-77 2007 and 4 hp for the Achilles LSI-77 2006. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.

Both boats are rated for 2 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.

At this size, power-to-weight ratio matters more than outright horsepower. The Achilles LSI-77 2006 comes in at 2 lbs per hp versus 16 lbs per hp for the Achilles LEX-77 2007. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.

Bottom line: The Achilles LEX-77 2007 and Achilles LSI-77 2006 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
MakeAchilles
MakeAchilles
ModelLEX-77
ModelLSI-77
Model Year2007
Model Year2006
Measurements / Dimensions
Beam4 ft. 9 in. (144 cm)
Beam4 ft. 9 in. (144 cm)
Beam - Meters1.45
Beam - Meters1.45
Beam - Inches57
Beam - Inches57
Weight - Detail62 lbs. (28 kg)
Weight - Detail60 lbs. (27 kg)
Weight - kg28.12
Weight - kg27.22
Weight - lbs.62
Weight - lbs.6
Length - Feet7
Length - Feet7
Length - Inches7
Length - Inches7
Length overall - Detail7 ft. 7 in. (230 cm)
Length overall - Detail7 ft. 7 in. (230 cm)
Length overall - Meters2.31
Length overall - Meters2.31
Length overall - Inches91
Length overall - Inches91
Pontoon and Inflatable Specific
Tube diameter15.5 in. (39 cm)
Tube diameter15.5 in. (39 cm)
Engine and Drivetrain
Drive typeOutboard
Drive typeOutboard
Engine max4 hp
Engine max4 hp
Operational Info
Maximum capacity726 lbs. (330 kg)
Maximum capacity770 lbs. (350 kg)
Maximum people2
Maximum people2

Achilles LEX-77 2007 vs Achilles LSI-77 2006 — Common Questions

Which is the larger boat — the Achilles LEX-77 2007 or the Achilles LSI-77 2006?
The Achilles LSI-77 2006 is the longer of the two at 7,0 feet overall. The Achilles LEX-77 2007 comes in at 7,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Achilles LEX-77 2007 or the Achilles LSI-77 2006?
For trailering, the Achilles LSI-77 2006 has the edge at 6 lbs dry weight versus 62 lbs for the Achilles LEX-77 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.
How many people can each boat hold?
The Achilles LEX-77 2007 is Coast Guard rated for 2 passengers, while the Achilles LSI-77 2006 is certified for 2. 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 better power-to-weight ratio?
The Achilles LSI-77 2006 has a better power-to-weight ratio at 2 lbs per hp compared to 16 lbs per hp for the Achilles LEX-77 2007. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Achilles LEX-77 2007 and Achilles LSI-77 2006 share an 4 ft. 9 in. (144 cm) beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
Are the Achilles LEX-77 2007 and Achilles LSI-77 2006 from the same manufacturer?
Yes — both the Achilles LEX-77 2007 and the Achilles LSI-77 2006 are built by Achilles. 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.