Mariah DX212 Deck Boat 2007 boat specs
Mariah
Mariah DX212 Deck Boat 2007
2007
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VS
Mariah R19 2012 boat specs
Mariah
Mariah R19 2012
2012
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Mariah DX212 Deck Boat 2007 vs Mariah R19 2012 — A Close Look at Two Modified Vees

When two boats share the same hull type — in this case both the Mariah DX212 Deck Boat 2007 and the Mariah R19 2012 are modified vee designs with fiberglass construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

On paper these two are close siblings in the size department — Mariah DX212 Deck Boat 2007 at 21,0 ft versus Mariah R19 2012 at 20,1 ft. At 315 lbs and 365 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.

Both boats share a closely matched power ceiling — 225 hp for the Mariah DX212 Deck Boat 2007 and 225 hp for the Mariah R19 2012. 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 DX212 Deck Boat 2007 carries 45 gallons versus 22 gallons in the Mariah R19 2012. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

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 DX212 Deck Boat 2007 and Mariah R19 2012 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
ModelDX212 Deck Boat
ModelR19
Model Year2007
Model Year2012
Measurements / Dimensions
Beam8 ft. 6 in. (2.6 m)
Beam8 ft. 1 in. (2.5 m)
Beam - Meters2.59
Beam - Meters2.46
Beam - Inches102
Beam - Inches97
Deadrise16℃
Deadrise19°
Weight - Detail3,150 lbs. (1,430 kg)
Weight - DetailDry: 3,200 lbs. (1,452 kg) Max: 3,650 lbs. (1,656 kg)
Weight - kg1428.81
Weight - kg1655.61
Weight - lbs.315
Weight - lbs.365
Width [transom] - Detail25 in
Width [transom] - Detailnot available
Length - Meters6.4
Length - Metersnot available
Length - Feet21
Length - Feet20.08
Length overall - Detail21 ft. 0 in. (6.4 m)
Length overall - Detail20 ft. 1 in. (6.1 m)
Length overall - Meters6.4
Length overall - Meters6.12
Length overall - Inches252
Length overall - Inches241
Body / Hull
Hull materialFiberglass
Hull materialAluminum
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail45 gal. (170 l)
Fuel tank capacity - Detail22 gal. (83 l)
Fuel tank capacity - Liters170.34
Fuel tank capacity - Liters83.28
Fuel tank capacity - Gal45
Fuel tank capacity - Gal22
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeI/O
Engine max225 hp (168 kW)
Engine maxnot available
Horsepowernot available
Horsepower225 hp (168 kW)
Operational Info
Maximum capacityPerson: 2,300 lbs. (1,043 kg) Total: 3,550 lbs. (1,612 kg)
Maximum capacity1,590 lbs. (721 kg)
Maximum people1
Maximum people1
Performance
Maximum speednot available
Maximum speed40 - 50 mph

Mariah DX212 Deck Boat 2007 vs Mariah R19 2012 — Common Questions

Which is the larger boat — the Mariah DX212 Deck Boat 2007 or the Mariah R19 2012?
The Mariah DX212 Deck Boat 2007 is the longer of the two at 21,0 feet overall. The Mariah R19 2012 comes in at 20,1 feet, making it roughly 0,9 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Mariah DX212 Deck Boat 2007 or the Mariah R19 2012?
For trailering, the Mariah DX212 Deck Boat 2007 has the edge at 315 lbs dry weight versus 365 lbs for the Mariah R19 2012. 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.
How many people can each boat hold?
The Mariah DX212 Deck Boat 2007 is Coast Guard rated for 1 passengers, while the Mariah R19 2012 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 DX212 Deck Boat 2007 measures 102" wide, compared to 97" for the Mariah R19 2012. 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 DX212 Deck Boat 2007 or the Mariah R19 2012?
The Mariah DX212 Deck Boat 2007 has the bigger tank at 45 gallons, versus 22 gallons on the Mariah R19 2012. That 23-gallon difference translates to roughly 69–115 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Mariah DX212 Deck Boat 2007 and Mariah R19 2012 from the same manufacturer?
Yes — both the Mariah DX212 Deck Boat 2007 and the Mariah R19 2012 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.