Monterey 278SS 2010 vs Monterey M3 2012 - Boat Spec Comparison

Q: Which is the larger boat - the Monterey 278SS 2010 or the Monterey M3 2012?

The Monterey 278SS 2010 is the longer of the two at 28,8 feet overall. The Monterey M3 2012 comes in at 23,8 feet, making it roughly 5,0 ft shorter - a meaningful difference in deck room and overall on-water presence.

Q: Which is easier to trailer - the Monterey 278SS 2010 or the Monterey M3 2012?

For trailering, the Monterey M3 2012 has the edge at 4 500 lbs dry weight versus 5 500 lbs for the Monterey 278SS 2010. 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.

Q: Which boat can handle a bigger outboard?

The Monterey 278SS 2010 is rated to a maximum of 425 hp, giving it the larger power ceiling. The Monterey M3 2012 tops out at 320 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.

Q: Do these boats require an oversize trailer permit to tow on US highways?

Both the Monterey 278SS 2010 and Monterey M3 2012 share an 8 ft. 6 in. (2.6 m) 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.

Q: Which boat has the larger fuel tank - the Monterey 278SS 2010 or the Monterey M3 2012?

The Monterey 278SS 2010 has the bigger tank at 89 gallons, versus 50 gallons on the Monterey M3 2012. That 39-gallon difference translates to roughly 117–195 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Monterey 278SS 2010 and Monterey M3 2012 from the same manufacturer?

Yes - both the Monterey 278SS 2010 and the Monterey M3 2012 are built by Monterey. 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.

Boat Comparison

Monterey 278SS 2010 vs Monterey M3 2012

Monterey

Monterey 278SS 2010

2010

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Monterey

Monterey M3 2012

2012

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Detailed Evaluation & Buyer Recommendation

Monterey 278SS 2010 vs Monterey M3 2012: Same Brand, Different Boat

The Monterey 278SS 2010 is a modified-V design and the Monterey M3 2012 is a deep-V design, so you're likely deciding between two noticeably different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

Size is the most obvious dividing line here. The Monterey 278SS 2010 measures 28,8 feet overall (2010), giving it roughly 5,0 additional feet of deck space compared to the Monterey M3 2012 at 23,8 feet (2012). Weight tells a clearer story for trailering families: the Monterey 278SS 2010 tips the scales at 5 500 lbs - 1 000 lbs more than the Monterey M3 2012 at 4 500 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 425 hp, the Monterey 278SS 2010 has a 105-hp advantage over the Monterey M3 2012's 320-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Monterey 278SS 2010 carries 89 gallons versus 50 gallons in the Monterey M3 2012. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Bottom line: The Monterey 278SS 2010 at 28,8 ft is the right call if deck space, comfort, and entertaining are top of your list. The Monterey M3 2012 at 23,8 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

MakeMonterey

Model278SS

ModelM3

Model Year2010

Model Year2012

Measurements / Dimensions

Beam8 ft. 6 in. (2.6 m)

Beam8 ft. 6 in. (2.5 m)

Beam - Meters2.59

Beam - Inches102

Bridge clearance - DetailWithout Arch: 5 ft. 8 in. (1.73 m) With Arch Up: 8 ft. 7 in. (2.62 m)

Bridge clearance - Detailnot available

Bridge clearance - Meters2.62

Bridge clearance - Metersnot available

Bridge clearance - Inches103

Bridge clearance - Inchesnot available

Deadrise21℃

Deadrise20°

Draft [drive up] - Detail24 in. (61 cm)

Draft [drive up] - Detail27 in. (0.68 m)

Draft [drive up] meters0.61

Draft [drive up] meters0.69

Draft [drive up] inches24

Draft [drive up] inches27

Draft [max] - Detail37 in. (94 cm)

Draft [max] - Detail39 in. (0.99 m)

Draft [max] - Meters0.94

Draft [max] - Meters0.99

Draft [max] - Inches37

Draft [max] - Inches39

Weight - Detail5,500 lbs. (2,495 kg)

Weight - Detail4,500 lbs. (2,041 kg)

Weight - kg2494.76

Weight - kg2041.16

Weight - lbs.5500

Weight - lbs.4500

Length - Feet28.83

Length - Feet23.83

Length [over all with swim platform]28 ft. 10 in. (8.8 m)

Length [over all with swim platform]23 ft. 10 in. (7.04 m)

Body / Hull

Hull materialFiberglass

Hull typeModified Vee

Hull typeDeep Vee

Engine and Drivetrain

Fuel tank capacity - Detail89 gal. (337 l)

Fuel tank capacity - Detail50 gal. (189.3 l)

Fuel tank capacity - Liters336.9

Fuel tank capacity - Liters189.27

Fuel tank capacity - Gal89

Fuel tank capacity - Gal50

Fuel typeGas

Drive typeInboard

Engine max425 hp (316.9 kW)

Engine max320 hp (223.7 kW)

Operational Info

Water capacity15 gal. (57 l)

Water capacity10 gal. (37.9 l)

Holding tank capacity - Detail16 gal. (61 l)

Holding tank capacity - Detailnot available

Holding tank capacity - Liters60.57

Holding tank capacity - Litersnot available

Holding tank capacity - Gal16

Holding tank capacity - Galnot available

Monterey 278SS 2010 vs Monterey M3 2012 - Common Questions

Which is the larger boat - the Monterey 278SS 2010 or the Monterey M3 2012?

The Monterey 278SS 2010 is the longer of the two at 28,8 feet overall. The Monterey M3 2012 comes in at 23,8 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 Monterey 278SS 2010 or the Monterey M3 2012?

For trailering, the Monterey M3 2012 has the edge at 4 500 lbs dry weight versus 5 500 lbs for the Monterey 278SS 2010. 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 Monterey 278SS 2010 is rated to a maximum of 425 hp, giving it the larger power ceiling. The Monterey M3 2012 tops out at 320 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.

Do these boats require an oversize trailer permit to tow on US highways?

Both the Monterey 278SS 2010 and Monterey M3 2012 share an 8 ft. 6 in. (2.6 m) 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 Monterey 278SS 2010 or the Monterey M3 2012?

The Monterey 278SS 2010 has the bigger tank at 89 gallons, versus 50 gallons on the Monterey M3 2012. That 39-gallon difference translates to roughly 117–195 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Monterey 278SS 2010 and Monterey M3 2012 from the same manufacturer?

Yes - both the Monterey 278SS 2010 and the Monterey M3 2012 are built by Monterey. 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.

← Monterey 278SS 2010 full specs ← Monterey M3 2012 full specs