Crestliner CXJ 1655 SC 2008 boat specs
Crestliner
Crestliner CXJ 1655 SC 2008
2008
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VS
Crestliner Serenity 1800 2005 boat specs
Crestliner
Crestliner Serenity 1800 2005
2005
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Crestliner CXJ 1655 SC 2008 vs Crestliner Serenity 1800 2005 — Same Brand, Different Boat

The Crestliner CXJ 1655 SC 2008 vs Crestliner Serenity 1800 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.

On paper these two are close siblings in the size department — Crestliner CXJ 1655 SC 2008 at 16,0 ft versus Crestliner Serenity 1800 2005 at 18,0 ft. Weight tells a clearer story for trailering families: the Crestliner CXJ 1655 SC 2008 tips the scales at 825 lbs — 678 lbs more than the Crestliner Serenity 1800 2005 at 147 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.

The power gap is worth calling out. Rated to 175 hp, the Crestliner Serenity 1800 2005 has a 115-hp advantage over the Crestliner CXJ 1655 SC 2008's 60-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Crestliner Serenity 1800 2005 carries 39 gallons versus 21 gallons in the Crestliner CXJ 1655 SC 2008. 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 Serenity 1800 2005 is rated for 7 passengers, while the Crestliner CXJ 1655 SC 2008 caps at 3. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crestliner Serenity 1800 2005 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Crestliner Serenity 1800 2005 comes in at 1 lbs per hp versus 14 lbs per hp for the Crestliner CXJ 1655 SC 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.

Bottom line: Choose the Crestliner Serenity 1800 2005 if your priority is putting more people on the water — it handles 7 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Crestliner CXJ 1655 SC 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 3 that costs less to run day-to-day.
General Boat Info
MakeCrestliner
MakeCrestliner
ModelCXJ 1655 SC
ModelSerenity 18
Model Year2008
Model Year2005
Measurements / Dimensions
Beam76 in. (192 cm)
Beam95 in. (241 cm)
Beam - Meters1.93
Beam - Meters2.41
Beam - Inches76
Beam - Inches95
Deadrise8℃
Deadrisenot available
Depth - Detail23 in. (58 cm)
Depth - Detail27 in. (69 cm)
Depth - Centimeters58.42
Depth - Centimeters68.58
Depth - Inches23
Depth - Inches27
Weight - Detail825 lbs. (367 kg)
Weight - Detail1,470 lbs. (667 kg)
Weight - kg374.21
Weight - kg666.78
Weight - lbs.825
Weight - lbs.147
Width [transom] - Detail55 in. (140 cm)
Width [transom] - Detail95 in. (241 cm)
Height [transom]20 in. (51 cm)
Height [transom]20 in
Length - Meters5
Length - Meters5.5
Length - Feet16
Length - Feet18
Length - Inches2
Length - Inches2
Length overall - Detail16 ft. 2 in. (5.0 m)
Length overall - Detail18 ft. 2 in. (5.5 m)
Length overall - Meters4.93
Length overall - Meters5.54
Length overall - Inches194
Length overall - Inches218
Height - Detailnot available
Height - Detail41 in. (104 cm)
Height - Metersnot available
Height - Meters1.04
Height - Inchesnot available
Height - Inches41
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thickness0.100 in
Hull thicknessBottom: .100 Sides: .090 Transom: .125
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail21 gal. (79 l)
Fuel tank capacity - Detail39 gal. (148 l)
Fuel tank capacity - Liters79.49
Fuel tank capacity - Liters147.63
Fuel tank capacity - Gal21
Fuel tank capacity - Gal39
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typeOutboard
Engine max60 hp
Engine max175 hp
Operational Info
Maximum capacity900 lbs. (408 kg)
Maximum capacity1,625 lbs. (737 kg)
Maximum people3
Maximum people7
Trailer Info
Trailer - Detailnot available
Trailer - DetailOptional

Crestliner CXJ 1655 SC 2008 vs Crestliner Serenity 1800 2005 — Common Questions

Which is the larger boat — the Crestliner CXJ 1655 SC 2008 or the Crestliner Serenity 1800 2005?
The Crestliner Serenity 1800 2005 is the longer of the two at 18,0 feet overall. The Crestliner CXJ 1655 SC 2008 comes in at 16,0 feet, making it roughly 2,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Crestliner CXJ 1655 SC 2008 or the Crestliner Serenity 1800 2005?
For trailering, the Crestliner Serenity 1800 2005 has the edge at 147 lbs dry weight versus 825 lbs for the Crestliner CXJ 1655 SC 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 Crestliner Serenity 1800 2005 is rated to a maximum of 175 hp, giving it the larger power ceiling. The Crestliner CXJ 1655 SC 2008 tops out at 60 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 Crestliner CXJ 1655 SC 2008 is Coast Guard rated for 3 passengers, while the Crestliner Serenity 1800 2005 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 Crestliner Serenity 1800 2005 has a better power-to-weight ratio at 1 lbs per hp compared to 14 lbs per hp for the Crestliner CXJ 1655 SC 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 Crestliner Serenity 1800 2005 measures 95" wide, compared to 76" for the Crestliner CXJ 1655 SC 2008. 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 CXJ 1655 SC 2008 or the Crestliner Serenity 1800 2005?
The Crestliner Serenity 1800 2005 has the bigger tank at 39 gallons, versus 21 gallons on the Crestliner CXJ 1655 SC 2008. 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 CXJ 1655 SC 2008 and Crestliner Serenity 1800 2005 from the same manufacturer?
Yes — both the Crestliner CXJ 1655 SC 2008 and the Crestliner Serenity 1800 2005 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.