Zodiac Cadet Solid 310 2011 boat specs
Zodiac
Zodiac Cadet Solid 310 2011
2011
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VS
Zodiac Zoom 400 SR 2008 boat specs
Zodiac
Zodiac Zoom 400 SR 2008
2008
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Zodiac Cadet Solid 310 2011 vs Zodiac Zoom 400 SR 2008 — Same Brand, Different Boat

Matching a inflatable non rigid Zodiac Cadet Solid 310 2011 against a inflatable rigid Zodiac Zoom 400 SR 2008 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

On paper these two are close siblings in the size department — Zodiac Cadet Solid 310 2011 at 10,2 ft versus Zodiac Zoom 400 SR 2008 at 13,0 ft. Weight tells a clearer story for trailering families: the Zodiac Zoom 400 SR 2008 tips the scales at 254 lbs — 161 lbs less than the Zodiac Cadet Solid 310 2011 at 93 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

Both boats share a closely matched power ceiling — 15 hp for the Zodiac Cadet Solid 310 2011 and 30 hp for the Zodiac Zoom 400 SR 2008. 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.

For family outings this is probably the sharpest distinction between the two. The Zodiac Zoom 400 SR 2008 is rated for 7 passengers, while the Zodiac Cadet Solid 310 2011 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Zodiac Zoom 400 SR 2008 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Zodiac Cadet Solid 310 2011 comes in at 6 lbs per hp versus 9 lbs per hp for the Zodiac Zoom 400 SR 2008. 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 Zodiac Cadet Solid 310 2011 has a documented top speed of 22 mph. Speed data wasn't available for the other model.

Bottom line: Choose the Zodiac Zoom 400 SR 2008 if your priority is putting more people on the water — it handles 7 passengers and at 13,0 ft it has the deck room to back that rating up comfortably. The Zodiac Cadet Solid 310 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
General Boat Info
MakeZodiac
MakeZodiac
ModelCadet Solid 31
ModelZoom 400 SR
Model Year2011
Model Year2008
Measurements / Dimensions
Beam5 ft. 3 in. (1.6 m)
Beam6 ft. 1 in. (1.86 m)
Beam - Meters1.6
Beam - Meters1.85
Beam - Inches63
Beam - Inches73
Weight - Detail93 lbs. (42 kg)
Weight - Detail254 lbs. (115 kg)
Weight - kg42.18
Weight - kg115.21
Weight - lbs.93
Weight - lbs.254
Length - Feet10.17
Length - Feet13
Length overall - Detail10 ft. 2 in. (3.1 m)
Length overall - Detail13 ft. 1 in
Length overall - Meters3.1
Length overall - Meters3.99
Length overall - Inches122
Length overall - Inches157
Length - Metersnot available
Length - Meters4
Length - Inchesnot available
Length - Inches1
Body / Hull
Hull materialInflatable
Hull materialRigid inflatable
Hull typeInflatable Non Rigid
Hull typeInflatable Rigid
Pontoon and Inflatable Specific
Tube diameter1 ft. 6 in. (0.45 m)
Tube diameternot available
Engine and Drivetrain
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max15 hp (12 kW)
Engine max30 hp (22 kW) - 40 hp (30 kW)
Performance
Maximum speed22 mph (36 km/h)
Maximum speednot available
Operational Info
Maximum capacity992 lbs. (450 kg)
Maximum capacityPayload: 1,698 lbs. (770 kg)
Maximum people5
Maximum people7

Zodiac Cadet Solid 310 2011 vs Zodiac Zoom 400 SR 2008 — Common Questions

Which is the larger boat — the Zodiac Cadet Solid 310 2011 or the Zodiac Zoom 400 SR 2008?
The Zodiac Zoom 400 SR 2008 is the longer of the two at 13,0 feet overall. The Zodiac Cadet Solid 310 2011 comes in at 10,2 feet, making it roughly 2,8 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Zodiac Cadet Solid 310 2011 or the Zodiac Zoom 400 SR 2008?
For trailering, the Zodiac Cadet Solid 310 2011 has the edge at 93 lbs dry weight versus 254 lbs for the Zodiac Zoom 400 SR 2008. 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 Zodiac Zoom 400 SR 2008 is rated to a maximum of 30 hp, giving it the larger power ceiling. The Zodiac Cadet Solid 310 2011 tops out at 15 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 Zodiac Cadet Solid 310 2011 is Coast Guard rated for 5 passengers, while the Zodiac Zoom 400 SR 2008 is certified for 7. 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 Zodiac Cadet Solid 310 2011 has a better power-to-weight ratio at 6 lbs per hp compared to 9 lbs per hp for the Zodiac Zoom 400 SR 2008. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Which boat is wider, and does it affect trailering?
The Zodiac Zoom 400 SR 2008 measures 73" wide, compared to 63" for the Zodiac Cadet Solid 310 2011. 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.
Are the Zodiac Cadet Solid 310 2011 and Zodiac Zoom 400 SR 2008 from the same manufacturer?
Yes — both the Zodiac Cadet Solid 310 2011 and the Zodiac Zoom 400 SR 2008 are built by Zodiac. 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.