Mariah G21  2009 boat specs
Mariah
Mariah G21 2009
2009
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Mariah SX20 Bow Rider 2006 boat specs
Mariah
Mariah SX20 Bow Rider 2006
2006
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Mariah G21 2009 vs Mariah SX20 Bow Rider 2006: Same Brand, Different Boat

The Mariah G21 2009 vs Mariah SX20 Bow Rider 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 G21 2009 at 20,0 ft versus Mariah SX20 Bow Rider 2006 at 20,0 ft. Weight tells a clearer story for trailering families: the Mariah G21 2009 tips the scales at 3 900 lbs - 1 100 lbs more than the Mariah SX20 Bow Rider 2006 at 2 800 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 - 270 hp for the Mariah G21 2009 and 260 hp for the Mariah SX20 Bow Rider 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 Mariah G21 2009 carries 44 gallons versus 38 gallons in the Mariah SX20 Bow Rider 2006. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 10 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 G21 2009 and Mariah SX20 Bow Rider 2006 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeMariah
MakeMariah
ModelG21
ModelSX20 Bow Rider
Model Year2009
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
Deadrise20℃
Deadrise19℃
Weight - Detail3,300 lbs. (1,497 kg) Maximum: 3,900 lbs. (1,769 kg)
Weight - Detail2,800 lbs. (1,270 kg)
Weight - kg1769.01
Weight - kg1270.06
Weight - lbs.3900
Weight - lbs.2800
Length - Meters6.1
Length - Meters6.1
Length - Feet20
Length - Feet20
Length - Inches9
Length - Inchesnot available
Length overall - Detail20 ft. 9 in. (6.1 m)
Length overall - Detail20 ft. 0 in. (6.1 m)
Length overall - Meters6.32
Length overall - Meters6.1
Length overall - Inches249
Length overall - Inches240
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail44 gal. (167 l)
Fuel tank capacity - Detail38 gal. (144 l)
Fuel tank capacity - Liters166.56
Fuel tank capacity - Liters143.85
Fuel tank capacity - Gal44
Fuel tank capacity - Gal38
Fuel typeGas
Fuel typeGas
Drive typeI/O
Drive typeI/O
Engine max270 hp (201 kW)
Engine max260 hp (194 kW)
Performance
Maximum speed41-52 mph
Maximum speednot available
Operational Info
Maximum capacity1,750 lbs. (794 kg)
Maximum capacity1,590 lbs. (721 kg)
Maximum people10
Maximum people10

Mariah G21 2009 vs Mariah SX20 Bow Rider 2006 - Common Questions

Which is the larger boat - the Mariah G21 2009 or the Mariah SX20 Bow Rider 2006?
The Mariah SX20 Bow Rider 2006 is the longer of the two at 20,0 feet overall. The Mariah G21 2009 comes in at 20,0 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 Mariah G21 2009 or the Mariah SX20 Bow Rider 2006?
For trailering, the Mariah SX20 Bow Rider 2006 has the edge at 2 800 lbs dry weight versus 3 900 lbs for the Mariah G21 2009. 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 G21 2009 is rated to a maximum of 270 hp, giving it the larger power ceiling. The Mariah SX20 Bow Rider 2006 tops out at 260 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 G21 2009 is Coast Guard rated for 10 passengers, while the Mariah SX20 Bow Rider 2006 is certified for 10. 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 G21 2009 measures 102" wide, compared to 98" for the Mariah SX20 Bow Rider 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 Mariah G21 2009 or the Mariah SX20 Bow Rider 2006?
The Mariah G21 2009 has the bigger tank at 44 gallons, versus 38 gallons on the Mariah SX20 Bow Rider 2006. That 6-gallon difference translates to roughly 18–30 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Mariah G21 2009 and Mariah SX20 Bow Rider 2006 from the same manufacturer?
Yes - both the Mariah G21 2009 and the Mariah SX20 Bow Rider 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.