Triton Boats 186 Sport 2006 boat specs
Triton Boats
Triton Boats 186 Sport 2006
2006
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VS
Triton Boats Frontier 21 DC 2006 boat specs
Triton Boats
Triton Boats Frontier 21 DC 2006
2006
View full specs →

Triton Boats 186 Sport 2006 vs Triton Boats Frontier 21 DC 2006 — Same Brand, Different Boat

The Triton Boats 186 Sport 2006 vs Triton Boats Frontier 21 DC 2006 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 — Triton Boats 186 Sport 2006 at 18,0 ft versus Triton Boats Frontier 21 DC 2006 at 21,0 ft. Weight tells a clearer story for trailering families: the Triton Boats 186 Sport 2006 tips the scales at 1 154 lbs — 1 016 lbs more than the Triton Boats Frontier 21 DC 2006 at 138 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

Both boats share a closely matched power ceiling — 115 hp for the Triton Boats 186 Sport 2006 and 125 hp for the Triton Boats Frontier 21 DC 2006. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Triton Boats 186 Sport 2006 carries 22 gallons versus 3 gallons in the Triton Boats Frontier 21 DC 2006. 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 Frontier 21 DC 2006 is rated for 8 passengers, while the Triton Boats 186 Sport 2006 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 Frontier 21 DC 2006 could be the deciding factor.

Bottom line: Choose the Triton Boats Frontier 21 DC 2006 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 Triton Boats 186 Sport 2006 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
Model186 Sport
ModelFrontier 21 DC
Model Year2006
Model Year2006
Measurements / Dimensions
Beam85 in
Beam90 in
Beam - Meters2.16
Beam - Meters2.29
Beam - Inches85
Beam - Inches9
Depth - Detail24 in
Depth - Detail26 in
Depth - Centimeters60.96
Depth - Centimeters66.04
Depth - Inches24
Depth - Inches26
Weight - Detail1,154 lbs
Weight - Detail1,380 lbs
Weight - kg523.45
Weight - kg625.96
Weight - lbs.1154
Weight - lbs.138
Width [transom] - Detail60 in
Width [transom] - Detail70 in
Height [transom]20 in
Height [transom]20 in
Length - Feet18
Length - Feet21
Length overall - Detail18 ft. 0 in
Length overall - Detail21 ft. 0 in
Length overall - Meters5.49
Length overall - Meters6.4
Length overall - Inches216
Length overall - Inches252
Body / Hull
Hull thickness100 ga
Hull thickness100 ga
Pontoon and Inflatable Specific
Tube gauge100 ga
Tube gauge80 ga
Engine and Drivetrain
Fuel tank capacity - Detail22 gal
Fuel tank capacity - Detail30 gal
Fuel tank capacity - Liters83.28
Fuel tank capacity - Liters113.56
Fuel tank capacity - Gal22
Fuel tank capacity - Gal3
Drive typeOutboard
Drive typeOutboard
Engine max115 hp
Engine max125 hp
Operational Info
Maximum people4
Maximum people8

Triton Boats 186 Sport 2006 vs Triton Boats Frontier 21 DC 2006 — Common Questions

Which is the larger boat — the Triton Boats 186 Sport 2006 or the Triton Boats Frontier 21 DC 2006?
The Triton Boats Frontier 21 DC 2006 is the longer of the two at 21,0 feet overall. The Triton Boats 186 Sport 2006 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 Triton Boats 186 Sport 2006 or the Triton Boats Frontier 21 DC 2006?
For trailering, the Triton Boats Frontier 21 DC 2006 has the edge at 138 lbs dry weight versus 1 154 lbs for the Triton Boats 186 Sport 2006. 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.
Which boat can handle a bigger outboard?
The Triton Boats Frontier 21 DC 2006 is rated to a maximum of 125 hp, giving it the larger power ceiling. The Triton Boats 186 Sport 2006 tops out at 115 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 186 Sport 2006 is Coast Guard rated for 4 passengers, while the Triton Boats Frontier 21 DC 2006 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 Triton Boats 186 Sport 2006 measures 85" wide, compared to 9" for the Triton Boats Frontier 21 DC 2006. 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 186 Sport 2006 or the Triton Boats Frontier 21 DC 2006?
The Triton Boats 186 Sport 2006 has the bigger tank at 22 gallons, versus 3 gallons on the Triton Boats Frontier 21 DC 2006. That 19-gallon difference translates to roughly 57–95 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Triton Boats 186 Sport 2006 and Triton Boats Frontier 21 DC 2006 from the same manufacturer?
Yes — both the Triton Boats 186 Sport 2006 and the Triton Boats Frontier 21 DC 2006 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.