Triton Boats 1657 SS 2008 vs Triton Boats 1870 Bay Sport 2005 - Boat Spec Comparison

Q: Which is the larger boat — the Triton Boats 1657 SS 2008 or the Triton Boats 1870 Bay Sport 2005?

The Triton Boats 1870 Bay Sport 2005 is the longer of the two at 18,0 feet overall. The Triton Boats 1657 SS 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.

Q: Which boat can handle a bigger outboard?

The Triton Boats 1870 Bay Sport 2005 is rated to a maximum of 115 hp, giving it the larger power ceiling. The Triton Boats 1657 SS 2008 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.

Q: How many people can each boat hold?

The Triton Boats 1657 SS 2008 is Coast Guard rated for 4 passengers, while the Triton Boats 1870 Bay Sport 2005 is certified for 4. 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.

Q: Which boat is wider, and does it affect trailering?

The Triton Boats 1870 Bay Sport 2005 measures 98" wide, compared to 78" for the Triton Boats 1657 SS 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.

Q: Which boat has the larger fuel tank — the Triton Boats 1657 SS 2008 or the Triton Boats 1870 Bay Sport 2005?

The Triton Boats 1657 SS 2008 has the bigger tank at 12 gallons, versus 3 gallons on the Triton Boats 1870 Bay Sport 2005. That 9-gallon difference translates to roughly 27–45 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Triton Boats 1657 SS 2008 and Triton Boats 1870 Bay Sport 2005 from the same manufacturer?

Yes — both the Triton Boats 1657 SS 2008 and the Triton Boats 1870 Bay Sport 2005 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.

Boat Comparison

Triton Boats 1657 SS 2008 vs Triton Boats 1870 Bay Sport 2005

Triton Boats

Triton Boats 1657 SS 2008

2008

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Triton Boats

Triton Boats 1870 Bay Sport 2005

2005

View full specs →

Detailed Evaluation & Buyer Recommendation

Triton Boats 1657 SS 2008 vs Triton Boats 1870 Bay Sport 2005 — Same Brand, Different Boat

The Triton Boats 1657 SS 2008 vs Triton Boats 1870 Bay Sport 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.

The power gap is worth calling out. Rated to 115 hp, the Triton Boats 1870 Bay Sport 2005 has a 65-hp advantage over the Triton Boats 1657 SS 2008'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 1657 SS 2008 carries 12 gallons versus 3 gallons in the Triton Boats 1870 Bay Sport 2005. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 4 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.

Bottom line: Performance buyers should lean toward the Triton Boats 1870 Bay Sport 2005 and its 115-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Triton Boats 1657 SS 2008 with its 50-hp rating is the more economical daily driver.

General Boat Info

MakeTriton Boats

Model1657 SS

Model1870 Bay Sport

Model Year2008

Model Year2005

Measurements / Dimensions

Beam78 in

Beam98 in

Beam - Meters1.98

Beam - Meters2.49

Beam - Inches78

Beam - Inches98

Depth - Detail22 in

Depth - DetailSide: 27 in

Depth - Centimeters55.88

Depth - Centimeters68.58

Depth - Inches22

Depth - Inches27

Width [transom] - Detail57 in

Width [transom] - Detailnot available

Height [transom]20 in

Length - Feet16

Length - Feet18

Length overall - Detail16 ft. 0 in

Length overall - Detail18 ft. 0 in

Length overall - Meters4.88

Length overall - Meters5.49

Length overall - Inches192

Length overall - Inches216

Weight - Detailnot available

Weight - Detail1,186 lbs

Weight - kgnot available

Weight - kg537.96

Weight - lbs.not available

Weight - lbs.1186

Body / Hull

Hull materialAluminum

Hull materialnot available

Hull thickness.100 in

Hull thickness.125

Hull typeModified Vee

Hull typenot available

Engine and Drivetrain

Fuel tank capacity - Detail12 gal

Fuel tank capacity - Detail30 gal

Fuel tank capacity - Liters45.42

Fuel tank capacity - Liters113.56

Fuel tank capacity - Gal12

Fuel tank capacity - Gal3

Fuel typeGas

Fuel typenot available

Drive typeOutboard

Drive typenot available

Engine max50 hp

Engine max115 hp

Operational Info

Maximum people4 / 600 lbs

Maximum people4

Maximum capacitynot available

Maximum capacity1,100 lbs

Trailer Info

Trailer - DetailStandard

Trailer - Detailnot available

Triton Boats 1657 SS 2008 vs Triton Boats 1870 Bay Sport 2005 — Common Questions

Which is the larger boat — the Triton Boats 1657 SS 2008 or the Triton Boats 1870 Bay Sport 2005?

The Triton Boats 1870 Bay Sport 2005 is the longer of the two at 18,0 feet overall. The Triton Boats 1657 SS 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 boat can handle a bigger outboard?

The Triton Boats 1870 Bay Sport 2005 is rated to a maximum of 115 hp, giving it the larger power ceiling. The Triton Boats 1657 SS 2008 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 2008 is Coast Guard rated for 4 passengers, while the Triton Boats 1870 Bay Sport 2005 is certified for 4. 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 1870 Bay Sport 2005 measures 98" wide, compared to 78" for the Triton Boats 1657 SS 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 Triton Boats 1657 SS 2008 or the Triton Boats 1870 Bay Sport 2005?

The Triton Boats 1657 SS 2008 has the bigger tank at 12 gallons, versus 3 gallons on the Triton Boats 1870 Bay Sport 2005. That 9-gallon difference translates to roughly 27–45 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Triton Boats 1657 SS 2008 and Triton Boats 1870 Bay Sport 2005 from the same manufacturer?

Yes — both the Triton Boats 1657 SS 2008 and the Triton Boats 1870 Bay Sport 2005 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.

← Triton Boats 1657 SS 2008 full specs ← Triton Boats 1870 Bay Sport 2005 full specs