Triton Boats 1657 SS 2007 boat specs
Triton Boats
Triton Boats 1657 SS 2007
2007
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VS
Triton Boats 18SE 2011 boat specs
Triton Boats
Triton Boats 18SE 2011
2011
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Triton Boats 1657 SS 2007 vs Triton Boats 18SE 2011 — Same Brand, Different Boat

The Triton Boats 1657 SS 2007 vs Triton Boats 18SE 2011 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.

The power gap is worth calling out. Rated to 135 hp, the Triton Boats 18SE 2011 has a 85-hp advantage over the Triton Boats 1657 SS 2007's 50-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Triton Boats 18SE 2011 carries 44 gallons versus 12 gallons in the Triton Boats 1657 SS 2007. 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 Triton Boats 18SE 2011 is rated for 600 passengers, while the Triton Boats 1657 SS 2007 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Triton Boats 18SE 2011 could be the deciding factor.

Bottom line: Choose the Triton Boats 18SE 2011 if your priority is putting more people on the water — it handles 600 passengers and at 18,7 ft it has the deck room to back that rating up comfortably. The Triton Boats 1657 SS 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.
General Boat Info
MakeTriton Boats
MakeTriton Boats
Model1657 SS
Model18SE
Model Year2007
Model Year2011
Measurements / Dimensions
Beam78 in
Beam94 in
Beam - Meters1.98
Beam - Meters2.39
Beam - Inches78
Beam - Inches94
Depth - Detail22 in
Depth - Detailnot available
Depth - Centimeters55.88
Depth - Centimetersnot available
Depth - Inches22
Depth - Inchesnot available
Width [transom] - Detail57 in
Width [transom] - Detailnot available
Height [transom]20 in
Height [transom]not available
Length - Feet16
Length - Feet18.67
Length overall - Detail16 ft. 0 in
Length overall - Detail18 ft. 8 in
Length overall - Meters4.88
Length overall - Meters5.69
Length overall - Inches192
Length overall - Inches224
Weight - Detailnot available
Weight - Detail1,690 lbs
Weight - kgnot available
Weight - kg766.57
Weight - lbs.not available
Weight - lbs.169
Body / Hull
Hull materialAluminum
Hull materialFiberglass
Hull thickness100 ga
Hull thicknessnot available
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail12 gal
Fuel tank capacity - Detail44 gal
Fuel tank capacity - Liters45.42
Fuel tank capacity - Liters166.56
Fuel tank capacity - Gal12
Fuel tank capacity - Gal44
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max50 hp
Engine maxnot available
Horsepowernot available
Horsepower135 - 175 hp
Operational Info
Maximum people4
Maximum people600 lbs
Storagenot available
StorageRear Storage Boxes: 168 qt. Rear Storage / Baitwell: 84 qt. Front Storage Box: 300 qt. Livewell: 36 gal. Built-in Ice Chest: 28 qt
Trailer Info
Trailer - DetailStandard with single axle
Trailer - Detailnot available
Trailer - Length over allnot available
Trailer - Length over all21 ft. with swing tongue 23 ft. without swing tongue

Triton Boats 1657 SS 2007 vs Triton Boats 18SE 2011 — Common Questions

Which is the larger boat — the Triton Boats 1657 SS 2007 or the Triton Boats 18SE 2011?
The Triton Boats 18SE 2011 is the longer of the two at 18,7 feet overall. The Triton Boats 1657 SS 2007 comes in at 16,0 feet, making it roughly 2,7 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which boat can handle a bigger outboard?
The Triton Boats 18SE 2011 is rated to a maximum of 135 hp, giving it the larger power ceiling. The Triton Boats 1657 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 Triton Boats 1657 SS 2007 is Coast Guard rated for 4 passengers, while the Triton Boats 18SE 2011 is certified for 600. 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 Triton Boats 18SE 2011 measures 94" wide, compared to 78" for the Triton Boats 1657 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.
Which boat has the larger fuel tank — the Triton Boats 1657 SS 2007 or the Triton Boats 18SE 2011?
The Triton Boats 18SE 2011 has the bigger tank at 44 gallons, versus 12 gallons on the Triton Boats 1657 SS 2007. That 32-gallon difference translates to roughly 96–160 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Triton Boats 1657 SS 2007 and Triton Boats 18SE 2011 from the same manufacturer?
Yes — both the Triton Boats 1657 SS 2007 and the Triton Boats 18SE 2011 are built by Triton Boats. 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.