Crestliner Kodiak 18 SC 2011 boat specs
Crestliner
Crestliner Kodiak 18 SC 2011
2011
View full specs →
VS
Crestliner Sportfish 2150 Sterndrive 2005 boat specs
Crestliner
Crestliner Sportfish 2150 Sterndrive 2005
2005
View full specs →

Crestliner Kodiak 18 SC 2011 vs Crestliner Sportfish 2150 Sterndrive 2005 — Same Brand, Different Boat

The Crestliner Kodiak 18 SC 2011 vs Crestliner Sportfish 2150 Sterndrive 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 Kodiak 18 SC 2011 at 18,0 ft versus Crestliner Sportfish 2150 Sterndrive 2005 at 21,0 ft. At 81 lbs and 29 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 SC 2011 carries a rated maximum of 75 hp. Engine data for the Crestliner Sportfish 2150 Sterndrive 2005 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Crestliner Sportfish 2150 Sterndrive 2005 carries 77 gallons versus 17 gallons in the Crestliner Kodiak 18 SC 2011. 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 Sportfish 2150 Sterndrive 2005 is rated for 8 passengers, while the Crestliner Kodiak 18 SC 2011 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crestliner Sportfish 2150 Sterndrive 2005 could be the deciding factor.

Bottom line: Choose the Crestliner Sportfish 2150 Sterndrive 2005 if your priority is putting more people on the water — it handles 8 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Crestliner Kodiak 18 SC 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
MakeCrestliner
MakeCrestliner
ModelKodiak 18 SC
ModelSportfish 2150 Sterndrive
Model Year2011
Model Year2005
Measurements / Dimensions
Beam79 in. (200 cm)
Beam102 in. (262 cm)
Beam - Meters2.01
Beam - Meters2.59
Beam - Inches79
Beam - Inches102
Deadrise6°
Deadrisenot available
Depth - DetailMaximum: 32 in. (81 cm) Cockpit: 21 in. (53 cm)
Depth - Detail30.5 in. (77 cm)
Depth - Centimeters81.28
Depth - Centimeters78.74
Depth - Inches32
Depth - Inches30.5
Weight - Detail810 lbs. (367 kg)
Weight - Detail2,900 lbs. [with 3.0 l; 4 cylinders] (1315kg)
Weight - kg367.41
Weight - kg1315.42
Weight - lbs.81
Weight - lbs.29
Width [transom] - Detail79 in. (200 cm)
Width [transom] - Detail102 in. (262 cm)
Height [transom]20 in. (51 cm)
Height [transom]not available
Length - Feet18
Length - Feet21
Length overall - Detail18 ft. (5.5 m)
Length overall - Detail21 ft. 11 in. (6.7 m)
Length overall - Meters5.49
Length overall - Meters6.68
Length overall - Inches216
Length overall - Inches263
Height - Detailnot available
Height - Detail47 in. (119 cm)
Height - Metersnot available
Height - Meters1.19
Height - Inchesnot available
Height - Inches47
Length - Metersnot available
Length - Meters6.7
Length - Inchesnot available
Length - Inches11
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thicknessBottom: 0.09 in. Sides: 0.08 in. Transom: 0.125 in
Hull thicknessBottom: .125 Sides: .090 Transom: .125
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail17 gal. (64 l)
Fuel tank capacity - Detail77 gal. (291 l)
Fuel tank capacity - Liters64.35
Fuel tank capacity - Liters291.48
Fuel tank capacity - Gal17
Fuel tank capacity - Gal77
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typeI/O
Engine max75 hp
Engine maxnot available
Engine/s standardnot available
Engine/s standard4.3 l - 5.0 l
Operational Info
Maximum capacity1,250 lbs. (529 kg)
Maximum capacity2,000 lbs. (907 kg)
Maximum people5
Maximum people8
Trailer Info
Trailer - DetailShoreLand'r painted bunk trailer - Black
Trailer - DetailOptional

Crestliner Kodiak 18 SC 2011 vs Crestliner Sportfish 2150 Sterndrive 2005 — Common Questions

Which is the larger boat — the Crestliner Kodiak 18 SC 2011 or the Crestliner Sportfish 2150 Sterndrive 2005?
The Crestliner Sportfish 2150 Sterndrive 2005 is the longer of the two at 21,0 feet overall. The Crestliner Kodiak 18 SC 2011 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 Kodiak 18 SC 2011 or the Crestliner Sportfish 2150 Sterndrive 2005?
For trailering, the Crestliner Sportfish 2150 Sterndrive 2005 has the edge at 29 lbs dry weight versus 81 lbs for the Crestliner Kodiak 18 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.
What is the maximum horsepower rating for these boats?
The Crestliner Kodiak 18 SC 2011 has a documented max rating of 75 hp. Engine specifications for the Crestliner Sportfish 2150 Sterndrive 2005 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 Kodiak 18 SC 2011 is Coast Guard rated for 5 passengers, while the Crestliner Sportfish 2150 Sterndrive 2005 is certified for 8. 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 Sterndrive 2005 measures 102" wide, compared to 79" for the Crestliner Kodiak 18 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 Kodiak 18 SC 2011 or the Crestliner Sportfish 2150 Sterndrive 2005?
The Crestliner Sportfish 2150 Sterndrive 2005 has the bigger tank at 77 gallons, versus 17 gallons on the Crestliner Kodiak 18 SC 2011. That 60-gallon difference translates to roughly 180–300 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Crestliner Kodiak 18 SC 2011 and Crestliner Sportfish 2150 Sterndrive 2005 from the same manufacturer?
Yes — both the Crestliner Kodiak 18 SC 2011 and the Crestliner Sportfish 2150 Sterndrive 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.