Triton Boats 21 TRX 2018 vs Triton Boats DV 186 DC-F Mag 2005 - Boat Spec Comparison

Q: Which is the larger boat — the Triton Boats 21 TRX 2018 or the Triton Boats DV 186 DC-F Mag 2005?

The Triton Boats 21 TRX 2018 is the longer of the two at 21,0 feet overall. The Triton Boats DV 186 DC-F Mag 2005 comes in at 18,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: What is the maximum horsepower rating for these boats?

The Triton Boats DV 186 DC-F Mag 2005 has a documented max rating of 200 hp. Engine specifications for the Triton Boats 21 TRX 2018 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

Q: How many people can each boat hold?

The Triton Boats 21 TRX 2018 is Coast Guard rated for 6 passengers, while the Triton Boats DV 186 DC-F Mag 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.

Q: Which boat has the larger fuel tank — the Triton Boats 21 TRX 2018 or the Triton Boats DV 186 DC-F Mag 2005?

The Triton Boats 21 TRX 2018 has the bigger tank at 47 gallons, versus 4 gallons on the Triton Boats DV 186 DC-F Mag 2005. That 43-gallon difference translates to roughly 129–215 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Triton Boats 21 TRX 2018 and Triton Boats DV 186 DC-F Mag 2005 from the same manufacturer?

Yes — both the Triton Boats 21 TRX 2018 and the Triton Boats DV 186 DC-F Mag 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 21 TRX 2018 vs Triton Boats DV 186 DC-F Mag 2005

Triton Boats

Triton Boats 21 TRX 2018

2018

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Triton Boats

Triton Boats DV 186 DC-F Mag 2005

2005

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Detailed Evaluation & Buyer Recommendation

Triton Boats 21 TRX 2018 vs Triton Boats DV 186 DC-F Mag 2005 — Same Brand, Different Boat

The Triton Boats 21 TRX 2018 vs Triton Boats DV 186 DC-F Mag 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 Triton Boats DV 186 DC-F Mag 2005 tops out at 200 hp. Engine specs for the Triton Boats 21 TRX 2018 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Triton Boats 21 TRX 2018 carries 47 gallons versus 4 gallons in the Triton Boats DV 186 DC-F Mag 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 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.

Bottom line: The Triton Boats 21 TRX 2018 at 21,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Triton Boats DV 186 DC-F Mag 2005 at 18,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.

Measurements / Dimensions

Length overall - Detail21.00 ft

Length overall - Detail18 ft. 7 in

Length - Feet21

Length - Feet18

Length overall - Meters6.4

Length overall - Meters5.66

Length overall - Inches252

Length overall - Inches223

Beamnot available

Beam96 in

Beam - Metersnot available

Beam - Meters2.44

Beam - Inchesnot available

Beam - Inches96

Depth - Detailnot available

Depth - DetailSide Depth: 25 in

Depth - Centimetersnot available

Depth - Centimeters63.5

Depth - Inchesnot available

Depth - Inches25

Weight - Detailnot available

Weight - Detail1,650 lbs

Weight - kgnot available

Weight - kg748.43

Weight - lbs.not available

Weight - lbs.165

Height [transom]not available

Height [transom]25 in

Length - Inchesnot available

Length - Inches7

Engine and Drivetrain

Fuel tank capacity - Gal47

Fuel tank capacity - Gal4

Fuel tank capacity - Liters177.91

Fuel tank capacity - Liters151.42

Fuel typeGas

Fuel typenot available

Drive typeoutboard

Drive typenot available

Fuel tank capacity - Detailnot available

Fuel tank capacity - Detail40 gal

Engine maxnot available

Engine max200 hp

Operational Info

Boat typePower

Boat typenot available

Maximum capacitynot available

Maximum capacity1,800 lbs

Maximum peoplenot available

Maximum people6

General Boat Info

Makenot available

MakeTriton Boats

Modelnot available

ModelDV 186 DC-F Mag

Model Yearnot available

Model Year2005

Body / Hull

Hull thicknessnot available

Hull thickness.125

Triton Boats 21 TRX 2018 vs Triton Boats DV 186 DC-F Mag 2005 — Common Questions

Which is the larger boat — the Triton Boats 21 TRX 2018 or the Triton Boats DV 186 DC-F Mag 2005?

The Triton Boats 21 TRX 2018 is the longer of the two at 21,0 feet overall. The Triton Boats DV 186 DC-F Mag 2005 comes in at 18,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

What is the maximum horsepower rating for these boats?

The Triton Boats DV 186 DC-F Mag 2005 has a documented max rating of 200 hp. Engine specifications for the Triton Boats 21 TRX 2018 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 Triton Boats 21 TRX 2018 is Coast Guard rated for 6 passengers, while the Triton Boats DV 186 DC-F Mag 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 larger fuel tank — the Triton Boats 21 TRX 2018 or the Triton Boats DV 186 DC-F Mag 2005?

The Triton Boats 21 TRX 2018 has the bigger tank at 47 gallons, versus 4 gallons on the Triton Boats DV 186 DC-F Mag 2005. That 43-gallon difference translates to roughly 129–215 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Triton Boats 21 TRX 2018 and Triton Boats DV 186 DC-F Mag 2005 from the same manufacturer?

Yes — both the Triton Boats 21 TRX 2018 and the Triton Boats DV 186 DC-F Mag 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 21 TRX 2018 full specs ← Triton Boats DV 186 DC-F Mag 2005 full specs