Sweetwater SW 2186 RE4  2008 boat specs
Sweetwater
Sweetwater SW 2186 RE4 2008
2008
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VS
Sweetwater SW2180 RE-3 Gate 2007 boat specs
Sweetwater
Sweetwater SW2180 RE-3 Gate 2007
2007
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Sweetwater SW 2186 RE4 2008 vs Sweetwater SW2180 RE-3 Gate 2007 — Same Brand, Different Boat

The Sweetwater SW 2186 RE4 2008 vs Sweetwater SW2180 RE-3 Gate 2007 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 — Sweetwater SW 2186 RE4 2008 at 21,0 ft versus Sweetwater SW2180 RE-3 Gate 2007 at 21,0 ft. At 1 635 lbs and 1 619 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

The power gap is worth calling out. Rated to 115 hp, the Sweetwater SW 2186 RE4 2008 has a 25-hp advantage over the Sweetwater SW2180 RE-3 Gate 2007's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 24 gal and 24 gal — so range won't be a tiebreaker here.

Both boats are rated for 1 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.

At this size, power-to-weight ratio matters more than outright horsepower. The Sweetwater SW 2186 RE4 2008 comes in at 14 lbs per hp versus 18 lbs per hp for the Sweetwater SW2180 RE-3 Gate 2007. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.

The Sweetwater SW2180 RE-3 Gate 2007 is an inflatable design — lighter, easier to store, and quicker to launch from a beach or dock without a slipway. The Sweetwater SW 2186 RE4 2008 is a rigid hull, which typically offers a more confident ride in chop and easier maintenance over the long term.

Bottom line: Performance buyers should lean toward the Sweetwater SW 2186 RE4 2008 and its 115-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Sweetwater SW2180 RE-3 Gate 2007 with its 90-hp rating is the more economical daily driver.
General Boat Info
MakeSweetwater
MakeSweetwater
ModelSW 2186 RE4
ModelSW2180 RE-3 Gate
Model Year2008
Model Year2007
Measurements / Dimensions
Beam8 ft. 6 in
Beam8 ft. 0 in
Beam - Meters2.59
Beam - Meters2.44
Beam - Inches102
Beam - Inches96
Weight - Detail1,635 lbs
Weight - Detail1,619 lbs
Weight - kg741.62
Weight - kg734.37
Weight - lbs.1635
Weight - lbs.1619
Length - Feet21
Length - Feet21
Length - Inches2
Length - Inches2
Length overall - Detail21 ft. 2 in
Length overall - Detail21 ft. 2 in
Length overall - Meters6.45
Length overall - Meters6.45
Length overall - Inches254
Length overall - Inches254
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typePontoon
Hull typenot available
Pontoon and Inflatable Specific
Tube diameter23 in
Tube diameter23 in
Number of tubes2
Number of tubes2
Engine and Drivetrain
Fuel tank capacity - Detail24 gal
Fuel tank capacity - Detail24 gal
Fuel tank capacity - Liters90.85
Fuel tank capacity - Liters90.85
Fuel tank capacity - Gal24
Fuel tank capacity - Gal24
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max115 hp
Engine max90 hp
Operational Info
Maximum capacity1,334 lbs
Maximum capacity1,337 lbs
Maximum people1
Maximum people1

Sweetwater SW 2186 RE4 2008 vs Sweetwater SW2180 RE-3 Gate 2007 — Common Questions

Which is the larger boat — the Sweetwater SW 2186 RE4 2008 or the Sweetwater SW2180 RE-3 Gate 2007?
The Sweetwater SW2180 RE-3 Gate 2007 is the longer of the two at 21,0 feet overall. The Sweetwater SW 2186 RE4 2008 comes in at 21,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sweetwater SW 2186 RE4 2008 or the Sweetwater SW2180 RE-3 Gate 2007?
For trailering, the Sweetwater SW2180 RE-3 Gate 2007 has the edge at 1 619 lbs dry weight versus 1 635 lbs for the Sweetwater SW 2186 RE4 2008. 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 Sweetwater SW 2186 RE4 2008 is rated to a maximum of 115 hp, giving it the larger power ceiling. The Sweetwater SW2180 RE-3 Gate 2007 tops out at 90 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 Sweetwater SW 2186 RE4 2008 is Coast Guard rated for 1 passengers, while the Sweetwater SW2180 RE-3 Gate 2007 is certified for 1. 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 Sweetwater SW 2186 RE4 2008 measures 102" wide, compared to 96" for the Sweetwater SW2180 RE-3 Gate 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.
How do the fuel tanks compare on the Sweetwater SW 2186 RE4 2008 and Sweetwater SW2180 RE-3 Gate 2007?
Both boats carry similar fuel loads — 24 gallons and 24 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Sweetwater SW 2186 RE4 2008 and Sweetwater SW2180 RE-3 Gate 2007 from the same manufacturer?
Yes — both the Sweetwater SW 2186 RE4 2008 and the Sweetwater SW2180 RE-3 Gate 2007 are built by Sweetwater. 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.