Crestliner Sportfish 2150 O/B 2007 boat specs
Crestliner
Crestliner Sportfish 2150 O/B 2007
2007
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VS
Crestliner Sportsman 18 SS 2007 boat specs
Crestliner
Crestliner Sportsman 18 SS 2007
2007
View full specs →

Crestliner Sportfish 2150 O/B 2007 vs Crestliner Sportsman 18 SS 2007 — Same Brand, Different Boat

The Crestliner Sportfish 2150 O/B 2007 vs Crestliner Sportsman 18 SS 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 — Crestliner Sportfish 2150 O/B 2007 at 21,0 ft versus Crestliner Sportsman 18 SS 2007 at 18,0 ft. Weight tells a clearer story for trailering families: the Crestliner Sportfish 2150 O/B 2007 tips the scales at 205 lbs — 138 lbs more than the Crestliner Sportsman 18 SS 2007 at 67 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 250 hp, the Crestliner Sportfish 2150 O/B 2007 has a 200-hp advantage over the Crestliner Sportsman 18 SS 2007's 50-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

For family outings this is probably the sharpest distinction between the two. The Crestliner Sportfish 2150 O/B 2007 is rated for 9 passengers, while the Crestliner Sportsman 18 SS 2007 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crestliner Sportfish 2150 O/B 2007 could be the deciding factor.

Bottom line: Choose the Crestliner Sportfish 2150 O/B 2007 if your priority is putting more people on the water — it handles 9 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Crestliner Sportsman 18 SS 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.
General Boat Info
MakeCrestliner
MakeCrestliner
ModelSportfish 2150 O/B
ModelSportsman 18 SS
Model Year2007
Model Year2007
Measurements / Dimensions
Beam102 in. (259 cm)
Beam78 in. (198 cm)
Beam - Meters2.59
Beam - Meters1.98
Beam - Inches102
Beam - Inches78
Deadrise17℃
Deadrise10℃
Depth - Detail30.5 in. (77 cm)
Depth - Detailnot available
Depth - Centimeters78.74
Depth - Centimetersnot available
Depth - Inches30.5
Depth - Inchesnot available
Weight - Detail2,050 lbs. (928 kg)
Weight - Detail670 lbs. (304 kg)
Weight - kg929.86
Weight - kg303.91
Weight - lbs.205
Weight - lbs.67
Width [transom] - Detail102 in. (259 cm)
Width [transom] - Detail78 in. (198 cm)
Height - Detail47 in. (119 cm)
Height - Detail33.5 in. (85 cm)
Height - Meters1.19
Height - Meters0.86
Height - Inches47
Height - Inches33.5
Height [transom]25 in. (64 cm)
Height [transom]20 in. (51 cm)
Length - Meters6.7
Length - Meters5.5
Length - Feet21
Length - Feet18
Length - Inches11
Length - Inchesnot available
Length overall - Detail21 ft. 11 in. (6.7 m)
Length overall - Detail18 ft. 0 in. (5.5 m)
Length overall - Meters6.68
Length overall - Meters5.49
Length overall - Inches263
Length overall - Inches216
Body / Hull
Hull thicknessBottom: .125 Sides: .090 Transom: .125
Hull thicknessBottom: .090 Sides: .080 Transom: .125
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Engine/s standard150XL EFI
Engine/s standard25ML
Fuel tank capacity - Detail77 gal. (291 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters291.48
Fuel tank capacity - Litersnot available
Fuel tank capacity - Gal77
Fuel tank capacity - Galnot available
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max250 hp
Engine max50 hp
Operational Info
Maximum capacity2,000 lbs. (907 kg)
Maximum capacity1,390 lbs. (630 kg)
Maximum people9
Maximum people7

Crestliner Sportfish 2150 O/B 2007 vs Crestliner Sportsman 18 SS 2007 — Common Questions

Which is the larger boat — the Crestliner Sportfish 2150 O/B 2007 or the Crestliner Sportsman 18 SS 2007?
The Crestliner Sportfish 2150 O/B 2007 is the longer of the two at 21,0 feet overall. The Crestliner Sportsman 18 SS 2007 comes in at 18,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Crestliner Sportfish 2150 O/B 2007 or the Crestliner Sportsman 18 SS 2007?
For trailering, the Crestliner Sportsman 18 SS 2007 has the edge at 67 lbs dry weight versus 205 lbs for the Crestliner Sportfish 2150 O/B 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.
Which boat can handle a bigger outboard?
The Crestliner Sportfish 2150 O/B 2007 is rated to a maximum of 250 hp, giving it the larger power ceiling. The Crestliner Sportsman 18 SS 2007 tops out at 50 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 Sportfish 2150 O/B 2007 is Coast Guard rated for 9 passengers, while the Crestliner Sportsman 18 SS 2007 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 is wider, and does it affect trailering?
The Crestliner Sportfish 2150 O/B 2007 measures 102" wide, compared to 78" for the Crestliner Sportsman 18 SS 2007. 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 Crestliner Sportfish 2150 O/B 2007 and Crestliner Sportsman 18 SS 2007 from the same manufacturer?
Yes — both the Crestliner Sportfish 2150 O/B 2007 and the Crestliner Sportsman 18 SS 2007 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.