Triton Boats 21 TRX 2018 vs Triton Boats A182 SFB-MT 2011 - Boat Spec Comparison

Q: Which is the larger boat — the Triton Boats 21 TRX 2018 or the Triton Boats A182 SFB-MT 2011?

The Triton Boats 21 TRX 2018 is the longer of the two at 21,0 feet overall. The Triton Boats A182 SFB-MT 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.

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

The Triton Boats A182 SFB-MT 2011 has a documented max rating of 45 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 A182 SFB-MT 2011 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: Are the Triton Boats 21 TRX 2018 and Triton Boats A182 SFB-MT 2011 from the same manufacturer?

Yes — both the Triton Boats 21 TRX 2018 and the Triton Boats A182 SFB-MT 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.

Boat Comparison

Triton Boats 21 TRX 2018 vs Triton Boats A182 SFB-MT 2011

Triton Boats

Triton Boats 21 TRX 2018

2018

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Triton Boats

Triton Boats A182 SFB-MT 2011

2011

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Detailed Evaluation & Buyer Recommendation

Triton Boats 21 TRX 2018 vs Triton Boats A182 SFB-MT 2011 — Same Brand, Different Boat

The Triton Boats 21 TRX 2018 vs Triton Boats A182 SFB-MT 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 Triton Boats A182 SFB-MT 2011 tops out at 45 hp. Engine specs for the Triton Boats 21 TRX 2018 aren't listed — confirm with a dealer before selecting an outboard.

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 A182 SFB-MT 2011 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. (5.48 m)

Length - Feet21

Length - Feet18

Length overall - Meters6.4

Length overall - Meters5.49

Length overall - Inches252

Length overall - Inches216

Beamnot available

Beam75 in. (1.91 m)

Beam - Metersnot available

Beam - Meters1.91

Beam - Inchesnot available

Beam - Inches75

Depth - Detailnot available

Depth - Detail21 in. (0.53 m)

Depth - Centimetersnot available

Depth - Centimeters53.34

Depth - Inchesnot available

Depth - Inches21

Weight - Detailnot available

Weight - Detail475 lbs. (215 kg)

Weight - kgnot available

Weight - kg215.46

Weight - lbs.not available

Weight - lbs.475

Width [transom] - Detailnot available

Width [transom] - Detail52 in. (1.32 m) bottom

Height [transom]not available

Height [transom]20 in. (0.5 m)

Engine and Drivetrain

Fuel tank capacity - Gal47

Fuel tank capacity - Galnot available

Fuel tank capacity - Liters177.91

Fuel tank capacity - Litersnot available

Fuel typeGas

Drive typeoutboard

Drive typeOutboard

Engine maxnot available

Engine max45 hp (34 kW) tiller 65 hp (48 kW) remote

Operational Info

Boat typePower

Boat typenot available

Maximum capacitynot available

Maximum capacity1,375 lbs. (624 kg)

Maximum peoplenot available

Maximum people6 / 815 lbs. (370 kg)

General Boat Info

Makenot available

MakeTriton Boats

Modelnot available

ModelA182 SFB-MT

Model Yearnot available

Model Year2011

Body / Hull

Hull materialnot available

Hull materialAluminum

Hull thicknessnot available

Hull thickness0.072 in. (1.83 mm)

Hull typenot available

Hull typeFlat

Trailer Info

Trailer - Length over allnot available

Trailer - Length over all22 ft. (6.71 m)

Triton Boats 21 TRX 2018 vs Triton Boats A182 SFB-MT 2011 — Common Questions

Which is the larger boat — the Triton Boats 21 TRX 2018 or the Triton Boats A182 SFB-MT 2011?

The Triton Boats 21 TRX 2018 is the longer of the two at 21,0 feet overall. The Triton Boats A182 SFB-MT 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.

What is the maximum horsepower rating for these boats?

The Triton Boats A182 SFB-MT 2011 has a documented max rating of 45 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 A182 SFB-MT 2011 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.

Are the Triton Boats 21 TRX 2018 and Triton Boats A182 SFB-MT 2011 from the same manufacturer?

Yes — both the Triton Boats 21 TRX 2018 and the Triton Boats A182 SFB-MT 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.

← Triton Boats 21 TRX 2018 full specs ← Triton Boats A182 SFB-MT 2011 full specs