Sweetwater Challenger 160 F  2005 boat specs
Sweetwater
Sweetwater Challenger 160 F 2005
2005
View full specs →
VS
Sweetwater SW2180 RE-4 Gate 2007 boat specs
Sweetwater
Sweetwater SW2180 RE-4 Gate 2007
2007
View full specs →

Sweetwater Challenger 160 F 2005 vs Sweetwater SW2180 RE-4 Gate 2007 — Same Brand, Different Boat

The Sweetwater Challenger 160 F 2005 vs Sweetwater SW2180 RE-4 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.

Size is the most obvious dividing line here. The Sweetwater SW2180 RE-4 Gate 2007 measures 21,0 feet overall (2007), giving it roughly 5,0 additional feet of deck space compared to the Sweetwater Challenger 160 F 2005 at 16,0 feet (2005). Weight tells a clearer story for trailering families: the Sweetwater SW2180 RE-4 Gate 2007 tips the scales at 1 589 lbs — 433 lbs less than the Sweetwater Challenger 160 F 2005 at 1 156 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.

The power gap is worth calling out. Rated to 90 hp, the Sweetwater SW2180 RE-4 Gate 2007 has a 30-hp advantage over the Sweetwater Challenger 160 F 2005's 60-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sweetwater SW2180 RE-4 Gate 2007 carries 24 gallons versus 2 gallons in the Sweetwater Challenger 160 F 2005. 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 Sweetwater Challenger 160 F 2005 is rated for 9 passengers, while the Sweetwater SW2180 RE-4 Gate 2007 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sweetwater Challenger 160 F 2005 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Sweetwater SW2180 RE-4 Gate 2007 comes in at 18 lbs per hp versus 19 lbs per hp for the Sweetwater Challenger 160 F 2005. 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-4 Gate 2007 is an inflatable design — lighter, easier to store, and quicker to launch from a beach or dock without a slipway. The Sweetwater Challenger 160 F 2005 is a rigid hull, which typically offers a more confident ride in chop and easier maintenance over the long term.

Bottom line: Choose the Sweetwater Challenger 160 F 2005 if your priority is putting more people on the water — it handles 9 passengers and at 16,0 ft it has the deck room to back that rating up comfortably. The Sweetwater SW2180 RE-4 Gate 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.
General Boat Info
MakeSweetwater
MakeSweetwater
ModelChallenger 160 F
ModelSW2180 RE-4 Gate
Model Year2005
Model Year2007
Measurements / Dimensions
Beam8 ft
Beam8 ft. 0 in
Beam - Meters2.44
Beam - Meters2.44
Beam - Inches96
Beam - Inches96
Weight - Detail1,156 lbs
Weight - Detail1,589 lbs
Weight - kg524.35
Weight - kg720.76
Weight - lbs.1156
Weight - lbs.1589
Length - Feet16
Length - Feet21
Length overall - Detail16 ft. 0 in
Length overall - Detail21 ft. 2 in
Length overall - Meters4.88
Length overall - Meters6.45
Length overall - Inches192
Length overall - Inches254
Length - Inchesnot available
Length - Inches2
Pontoon and Inflatable Specific
Tube diameter23 in
Tube diameter23 in
Number of tubesnot available
Number of tubes2
Engine and Drivetrain
Fuel tank capacity - Detail20 gal. - opt
Fuel tank capacity - Detail24 gal
Fuel tank capacity - Liters75.71
Fuel tank capacity - Liters90.85
Fuel tank capacity - Gal2
Fuel tank capacity - Gal24
Drive typeOutBoard
Drive typeOutboard
Engine max60 hp
Engine max90 hp
Fuel typenot available
Fuel typeGas
Operational Info
Maximum capacity1,704 lbs
Maximum capacity1,337 lbs
Maximum people9
Maximum people1
Body / Hull
Hull materialnot available
Hull materialAluminum

Sweetwater Challenger 160 F 2005 vs Sweetwater SW2180 RE-4 Gate 2007 — Common Questions

Which is the larger boat — the Sweetwater Challenger 160 F 2005 or the Sweetwater SW2180 RE-4 Gate 2007?
The Sweetwater SW2180 RE-4 Gate 2007 is the longer of the two at 21,0 feet overall. The Sweetwater Challenger 160 F 2005 comes in at 16,0 feet, making it roughly 5,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sweetwater Challenger 160 F 2005 or the Sweetwater SW2180 RE-4 Gate 2007?
For trailering, the Sweetwater Challenger 160 F 2005 has the edge at 1 156 lbs dry weight versus 1 589 lbs for the Sweetwater SW2180 RE-4 Gate 2007. 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 SW2180 RE-4 Gate 2007 is rated to a maximum of 90 hp, giving it the larger power ceiling. The Sweetwater Challenger 160 F 2005 tops out at 60 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 Challenger 160 F 2005 is Coast Guard rated for 9 passengers, while the Sweetwater SW2180 RE-4 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.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Sweetwater Challenger 160 F 2005 and Sweetwater SW2180 RE-4 Gate 2007 share an 8 ft beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
Which boat has the larger fuel tank — the Sweetwater Challenger 160 F 2005 or the Sweetwater SW2180 RE-4 Gate 2007?
The Sweetwater SW2180 RE-4 Gate 2007 has the bigger tank at 24 gallons, versus 2 gallons on the Sweetwater Challenger 160 F 2005. That 22-gallon difference translates to roughly 66–110 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sweetwater Challenger 160 F 2005 and Sweetwater SW2180 RE-4 Gate 2007 from the same manufacturer?
Yes — both the Sweetwater Challenger 160 F 2005 and the Sweetwater SW2180 RE-4 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.