Achilles LSI-310 2012 boat specs
Achilles
Achilles LSI-310 2012
2012
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VS
Achilles SPD-96 2007 boat specs
Achilles
Achilles SPD-96 2007
2007
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Achilles LSI-310 2012 vs Achilles SPD-96 2007 — Same Brand, Different Boat

The Achilles LSI-310 2012 vs Achilles SPD-96 2007 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 LSI-310 2012 at 10,2 ft versus Achilles SPD-96 2007 at 9,0 ft. At 79 lbs and 91 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 — 10 hp for the Achilles LSI-310 2012 and 8 hp for the Achilles SPD-96 2007. 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 4 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-310 2012 comes in at 8 lbs per hp versus 11 lbs per hp for the Achilles SPD-96 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.

The Achilles LSI-310 2012 is an inflatable design — lighter, easier to store, and quicker to launch from a beach or dock without a slipway. The Achilles SPD-96 2007 is a rigid hull, which typically offers a more confident ride in chop and easier maintenance over the long term.

Bottom line: The Achilles LSI-310 2012 and Achilles SPD-96 2007 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
ModelLSI-31
ModelSPD-96
Model Year2012
Model Year2007
Measurements / Dimensions
Beam5 ft. 2 in. (158 cm) 2 ft. 4 in. (72 cm) inside
Beam5 ft. 2 in. (158 cm)
Beam - Meters1.57
Beam - Meters1.57
Beam - Inches62
Beam - Inches62
Weight - Detail79 lbs. (36 kg)
Weight - Detail91 lbs. (41.5 kg)
Weight - kg35.83
Weight - kg41.28
Weight - lbs.79
Weight - lbs.91
Length [deck]7 ft. 3 in. (220 cm) inside
Length [deck]not available
Length - Feet10.17
Length - Feet9
Length overall - Detail10 ft. 2 in. (310 cm)
Length overall - Detail9 ft. 6 in. (295 cm)
Length overall - Meters3.1
Length overall - Meters2.9
Length overall - Inches122
Length overall - Inches114
Length - Inchesnot available
Length - Inches6
Body / Hull
Hull materialInflatable
Hull materialnot available
Hull typeInflatable Non Rigid
Hull typenot available
Pontoon and Inflatable Specific
Tube diameter17 in. (43 cm)
Tube diameter17 in. (43 cm)
Number of tubes3 air chambers, plus keel and floor
Number of tubesnot available
Engine and Drivetrain
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typeOutboard
Engine max10 hp
Engine max8 hp
Operational Info
Maximum capacity1,320 lbs. (600 kg)
Maximum capacity1,140 lbs. (520 kg)
Maximum people4
Maximum people4

Achilles LSI-310 2012 vs Achilles SPD-96 2007 — Common Questions

Which is the larger boat — the Achilles LSI-310 2012 or the Achilles SPD-96 2007?
The Achilles LSI-310 2012 is the longer of the two at 10,2 feet overall. The Achilles SPD-96 2007 comes in at 9,0 feet, making it roughly 1,2 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Achilles LSI-310 2012 or the Achilles SPD-96 2007?
For trailering, the Achilles LSI-310 2012 has the edge at 79 lbs dry weight versus 91 lbs for the Achilles SPD-96 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 LSI-310 2012 is Coast Guard rated for 4 passengers, while the Achilles SPD-96 2007 is certified for 4. 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-310 2012 has a better power-to-weight ratio at 8 lbs per hp compared to 11 lbs per hp for the Achilles SPD-96 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 LSI-310 2012 and Achilles SPD-96 2007 share an 5 ft. 2 in. (158 cm) 2 ft. 4 in. (72 cm) inside 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 LSI-310 2012 and Achilles SPD-96 2007 from the same manufacturer?
Yes — both the Achilles LSI-310 2012 and the Achilles SPD-96 2007 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.