Mariah R21 2011 boat specs
Mariah
Mariah R21 2011
2011
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VS
Mariah SC19 Cuddy Cabin 2006 boat specs
Mariah
Mariah SC19 Cuddy Cabin 2006
2006
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Mariah R21 2011 vs Mariah SC19 Cuddy Cabin 2006 — Same Brand, Different Boat

The Mariah R21 2011 vs Mariah SC19 Cuddy Cabin 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 — Mariah R21 2011 at 21,4 ft versus Mariah SC19 Cuddy Cabin 2006 at 19,0 ft. Weight tells a clearer story for trailering families: the Mariah SC19 Cuddy Cabin 2006 tips the scales at 298 lbs — 264 lbs less than the Mariah R21 2011 at 34 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 300 hp, the Mariah R21 2011 has a 80-hp advantage over the Mariah SC19 Cuddy Cabin 2006's 220-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 36 gal and 38 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.

Bottom line: The Mariah R21 2011 at 21,4 ft is the right call if deck space, comfort, and entertaining are top of your list. The Mariah SC19 Cuddy Cabin 2006 at 19,0 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.
General Boat Info
MakeMariah
MakeMariah
ModelR21
ModelSC19 Cuddy Cabin
Model Year2011
Model Year2006
Measurements / Dimensions
Beam8 ft. 6 in. (2.6 m)
Beam8 ft. 2 in. (2.5 m)
Beam - Meters2.59
Beam - Meters2.49
Beam - Inches102
Beam - Inches98
Deadrise21°
Deadrise19℃
Weight - DetailDry: 3,400 lbs. (1,542 kg)
Weight - Detail2,980 lbs. (1,352 kg)
Weight - kg1542.21
Weight - kg1351.7
Weight - lbs.34
Weight - lbs.298
Length - Meters6.4
Length - Meters5.8
Length - Feet21.42
Length - Feet19
Length overall - Detail21 ft. 5 in. (6.4 m)
Length overall - Detail19 ft. 3 in. (5.8 m)
Length overall - Meters6.53
Length overall - Meters5.87
Length overall - Inches257
Length overall - Inches231
Length - Inchesnot available
Length - Inches3
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail36 gal. (136 l)
Fuel tank capacity - Detail38 gal. (144 l)
Fuel tank capacity - Liters136.27
Fuel tank capacity - Liters143.85
Fuel tank capacity - Gal36
Fuel tank capacity - Gal38
Fuel typeGas
Fuel typeGas
Horsepower300 hp (224 kW)
Horsepowernot available
Drive typenot available
Drive typeI/O
Engine maxnot available
Engine max220 hp (164 kW)
Performance
Maximum speed41 - 55 mph
Maximum speednot available
Operational Info
Maximum capacity1,750 lbs. (794 kg)
Maximum capacity1,590 lbs. (1,855 kg)
Maximum people1
Maximum people1

Mariah R21 2011 vs Mariah SC19 Cuddy Cabin 2006 — Common Questions

Which is the larger boat — the Mariah R21 2011 or the Mariah SC19 Cuddy Cabin 2006?
The Mariah R21 2011 is the longer of the two at 21,4 feet overall. The Mariah SC19 Cuddy Cabin 2006 comes in at 19,0 feet, making it roughly 2,4 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Mariah R21 2011 or the Mariah SC19 Cuddy Cabin 2006?
For trailering, the Mariah R21 2011 has the edge at 34 lbs dry weight versus 298 lbs for the Mariah SC19 Cuddy Cabin 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 Mariah R21 2011 is rated to a maximum of 300 hp, giving it the larger power ceiling. The Mariah SC19 Cuddy Cabin 2006 tops out at 220 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 Mariah R21 2011 is Coast Guard rated for 1 passengers, while the Mariah SC19 Cuddy Cabin 2006 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 Mariah R21 2011 measures 102" wide, compared to 98" for the Mariah SC19 Cuddy Cabin 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.
How do the fuel tanks compare on the Mariah R21 2011 and Mariah SC19 Cuddy Cabin 2006?
Both boats carry similar fuel loads — 36 gallons and 38 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Mariah R21 2011 and Mariah SC19 Cuddy Cabin 2006 from the same manufacturer?
Yes — both the Mariah R21 2011 and the Mariah SC19 Cuddy Cabin 2006 are built by Mariah. 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.