Crestliner Grand Cayman 2485 I/O 2008 boat specs
Crestliner
Crestliner Grand Cayman 2485 I/O 2008
2008
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Crestliner Kodiak 18 Tiller 2013 boat specs
Crestliner
Crestliner Kodiak 18 Tiller 2013
2013
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Crestliner Grand Cayman 2485 I/O 2008 vs Crestliner Kodiak 18 Tiller 2013 — Same Brand, Different Boat

Matching a pontoon Crestliner Grand Cayman 2485 I/O 2008 against a deep vee Crestliner Kodiak 18 Tiller 2013 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.

Size is the most obvious dividing line here. The Crestliner Grand Cayman 2485 I/O 2008 measures 23,0 feet overall (2008), giving it roughly 5,0 additional feet of deck space compared to the Crestliner Kodiak 18 Tiller 2013 at 18,0 feet (2013). At 2 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.

The Crestliner Kodiak 18 Tiller 2013 tops out at 70 hp. Engine specs for the Crestliner Grand Cayman 2485 I/O 2008 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Crestliner Grand Cayman 2485 I/O 2008 carries 35 gallons versus 17 gallons in the Crestliner Kodiak 18 Tiller 2013. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Crestliner Grand Cayman 2485 I/O 2008 is rated for 12 passengers, while the Crestliner Kodiak 18 Tiller 2013 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crestliner Grand Cayman 2485 I/O 2008 could be the deciding factor.

Bottom line: Choose the Crestliner Grand Cayman 2485 I/O 2008 if your priority is putting more people on the water — it handles 12 passengers and at 23,0 ft it has the deck room to back that rating up comfortably. The Crestliner Kodiak 18 Tiller 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.
General Boat Info
MakeCrestliner
MakeCrestliner
ModelGrand Cayman 2485 I/O
ModelKodiak 18 Tiller
Model Year2008
Model Year2013
Measurements / Dimensions
Beam102 in. (259 cm)
Beam78 in. (198 cm)
Beam - Meters2.59
Beam - Meters1.98
Beam - Inches102
Beam - Inches78
Weight - Detail2,000 lbs. (907 kg) with 4.3 l
Weight - Detail910 lbs. (413 kg)
Weight - kg907.18
Weight - kg412.77
Weight - lbs.2
Weight - lbs.91
Length - Meters7.1
Length - Metersnot available
Length - Feet23
Length - Feet18
Length - Inches6
Length - Inchesnot available
Length overall - Detail23 ft. 6 in. (7.1 m)
Length overall - Detail18 ft. (5.5 m)
Length overall - Meters7.16
Length overall - Meters5.49
Length overall - Inches282
Length overall - Inches216
Deadrisenot available
Deadrise10°
Depth - Detailnot available
Depth - DetailMaximum: 36 in. (91 cm) Cockpit: 21.5 in. (55 cm)
Depth - Centimetersnot available
Depth - Centimeters91.44
Depth - Inchesnot available
Depth - Inches36
Height [transom]not available
Height [transom]20 in. (51 cm)
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.080 in
Hull thicknessBottom: 0.09 in. Sides: 0.08 in. Transom: 0.125 in
Hull typePontoon
Hull typeDeep Vee
Pontoon and Inflatable Specific
Tube diameter27 in. (69 cm)
Tube diameternot available
Number of tubes2
Number of tubesnot available
Engine and Drivetrain
Fuel tank capacity - Detail35 gal. (132 l)
Fuel tank capacity - Detail17 gal. (64 l)
Fuel tank capacity - Liters132.49
Fuel tank capacity - Liters64.35
Fuel tank capacity - Gal35
Fuel tank capacity - Gal17
Fuel typeGas
Fuel typeGas
Drive typeI/O
Drive typeOutboard
Engine maxnot available
Engine max70 hp
Operational Info
Maximum capacity3,200 lbs. (1,451 kg)
Maximum capacity1,070 lbs. (453 kg)
Maximum people12
Maximum people6

Crestliner Grand Cayman 2485 I/O 2008 vs Crestliner Kodiak 18 Tiller 2013 — Common Questions

Which is the larger boat — the Crestliner Grand Cayman 2485 I/O 2008 or the Crestliner Kodiak 18 Tiller 2013?
The Crestliner Grand Cayman 2485 I/O 2008 is the longer of the two at 23,0 feet overall. The Crestliner Kodiak 18 Tiller 2013 comes in at 18,0 feet, making it roughly 5,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Crestliner Grand Cayman 2485 I/O 2008 or the Crestliner Kodiak 18 Tiller 2013?
For trailering, the Crestliner Grand Cayman 2485 I/O 2008 has the edge at 2 lbs dry weight versus 91 lbs for the Crestliner Kodiak 18 Tiller 2013. 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 Crestliner Kodiak 18 Tiller 2013 has a documented max rating of 70 hp. Engine specifications for the Crestliner Grand Cayman 2485 I/O 2008 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Crestliner Grand Cayman 2485 I/O 2008 is Coast Guard rated for 12 passengers, while the Crestliner Kodiak 18 Tiller 2013 is certified for 6. 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 Crestliner Grand Cayman 2485 I/O 2008 measures 102" wide, compared to 78" for the Crestliner Kodiak 18 Tiller 2013. 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 Crestliner Grand Cayman 2485 I/O 2008 or the Crestliner Kodiak 18 Tiller 2013?
The Crestliner Grand Cayman 2485 I/O 2008 has the bigger tank at 35 gallons, versus 17 gallons on the Crestliner Kodiak 18 Tiller 2013. That 18-gallon difference translates to roughly 54–90 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Crestliner Grand Cayman 2485 I/O 2008 and Crestliner Kodiak 18 Tiller 2013 from the same manufacturer?
Yes — both the Crestliner Grand Cayman 2485 I/O 2008 and the Crestliner Kodiak 18 Tiller 2013 are built by Crestliner. 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.