Crestliner Fish Hawk 1650 SC 2011 boat specs
Crestliner
Crestliner Fish Hawk 1650 SC 2011
2011
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VS
Crestliner Fish Hawk 1850 SC 2005 boat specs
Crestliner
Crestliner Fish Hawk 1850 SC 2005
2005
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Crestliner Fish Hawk 1650 SC 2011 vs Crestliner Fish Hawk 1850 SC 2005 — Same Brand, Different Boat

The Crestliner Fish Hawk 1650 SC 2011 vs Crestliner Fish Hawk 1850 SC 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 Fish Hawk 1650 SC 2011 at 16,7 ft versus Crestliner Fish Hawk 1850 SC 2005 at 18,0 ft. At 106 lbs and 13 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 power gap is worth calling out. Rated to 150 hp, the Crestliner Fish Hawk 1850 SC 2005 has a 60-hp advantage over the Crestliner Fish Hawk 1650 SC 2011's 90-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 Fish Hawk 1850 SC 2005 carries 31 gallons versus 2 gallons in the Crestliner Fish Hawk 1650 SC 2011. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 6 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 Crestliner Fish Hawk 1850 SC 2005 comes in at 0 lbs per hp versus 1 lbs per hp for the Crestliner Fish Hawk 1650 SC 2011. 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: Performance buyers should lean toward the Crestliner Fish Hawk 1850 SC 2005 and its 150-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Crestliner Fish Hawk 1650 SC 2011 with its 90-hp rating is the more economical daily driver.
General Boat Info
MakeCrestliner
MakeCrestliner
ModelFish Hawk 1650 SC
ModelFish Hawk 1850 SC
Model Year2011
Model Year2005
Measurements / Dimensions
Beam85.75 in. (218 cm)
Beam95.5 in. (243 cm)
Beam - Meters2.18
Beam - Meters2.44
Beam - Inches85.75
Beam - Inches95.5
Deadrise12°
Deadrisenot available
Depth - DetailMaximum: 37 in. (94 cm) Cockpit: 24 in. (61 cm)
Depth - Detail24 in. (61 cm)
Depth - Centimeters93.98
Depth - Centimeters60.96
Depth - Inches37
Depth - Inches24
Weight - Detail1,060 lbs. (481 kg)
Weight - Detail1,300 lbs. (590 kg)
Weight - kg480.81
Weight - kg589.67
Weight - lbs.106
Weight - lbs.13
Width [transom] - Detail85.75 in. (218 cm)
Width [transom] - Detail95.5 in. (243 cm)
Height [transom]20 in. (51 cm)
Height [transom]not available
Length - Feet16.67
Length - Feet18
Length overall - Detail16 ft. 8 in. (5.1 m)
Length overall - Detail18 ft. 3 in. (5.6 m)
Length overall - Meters5.08
Length overall - Meters5.56
Length overall - Inches2
Length overall - Inches219
Height - Detailnot available
Height - Detail35 in. (89 cm)
Height - Metersnot available
Height - Meters0.89
Height - Inchesnot available
Height - Inches35
Length - Metersnot available
Length - Meters5.6
Length - Inchesnot available
Length - Inches3
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thicknessBottom: 0.09 in. Sides: 0.08 in. Transom: 0.125 in
Hull thicknessBottom: .100 Sides: .090 Transom: .125
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail20 gal. (76 l)
Fuel tank capacity - Detail31 gal. (117 l)
Fuel tank capacity - Liters75.71
Fuel tank capacity - Liters117.35
Fuel tank capacity - Gal2
Fuel tank capacity - Gal31
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typeOutboard
Engine max90 hp
Engine max150 hp
Operational Info
Maximum capacity1,350 lbs. (612 kg)
Maximum capacity1,360 lbs. (617 kg)
Maximum people6
Maximum people6
Trailer Info
Trailer - DetailShoreLand'r painted bunk trailer - Black
Trailer - DetailOptional

Crestliner Fish Hawk 1650 SC 2011 vs Crestliner Fish Hawk 1850 SC 2005 — Common Questions

Which is the larger boat — the Crestliner Fish Hawk 1650 SC 2011 or the Crestliner Fish Hawk 1850 SC 2005?
The Crestliner Fish Hawk 1850 SC 2005 is the longer of the two at 18,0 feet overall. The Crestliner Fish Hawk 1650 SC 2011 comes in at 16,7 feet, making it roughly 1,3 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Crestliner Fish Hawk 1650 SC 2011 or the Crestliner Fish Hawk 1850 SC 2005?
For trailering, the Crestliner Fish Hawk 1850 SC 2005 has the edge at 13 lbs dry weight versus 106 lbs for the Crestliner Fish Hawk 1650 SC 2011. 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 Fish Hawk 1850 SC 2005 is rated to a maximum of 150 hp, giving it the larger power ceiling. The Crestliner Fish Hawk 1650 SC 2011 tops out at 90 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 Fish Hawk 1650 SC 2011 is Coast Guard rated for 6 passengers, while the Crestliner Fish Hawk 1850 SC 2005 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 has the better power-to-weight ratio?
The Crestliner Fish Hawk 1850 SC 2005 has a better power-to-weight ratio at 0 lbs per hp compared to 1 lbs per hp for the Crestliner Fish Hawk 1650 SC 2011. 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 Fish Hawk 1850 SC 2005 measures 96" wide, compared to 86" for the Crestliner Fish Hawk 1650 SC 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.
Which boat has the larger fuel tank — the Crestliner Fish Hawk 1650 SC 2011 or the Crestliner Fish Hawk 1850 SC 2005?
The Crestliner Fish Hawk 1850 SC 2005 has the bigger tank at 31 gallons, versus 2 gallons on the Crestliner Fish Hawk 1650 SC 2011. That 29-gallon difference translates to roughly 87–145 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Crestliner Fish Hawk 1650 SC 2011 and Crestliner Fish Hawk 1850 SC 2005 from the same manufacturer?
Yes — both the Crestliner Fish Hawk 1650 SC 2011 and the Crestliner Fish Hawk 1850 SC 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.