Detailed Evaluation & Buyer Recommendation
Monterey 278SS 2008 vs Monterey M4 2020 — Same Brand, Different Boat
The Monterey 278SS 2008 vs Monterey M4 2020 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 Monterey 278SS 2008 measures 28,0 feet overall (2008), giving it roughly 4,9 additional feet of deck space compared to the Monterey M4 2020 at 23,1 feet (2020). Weight tells a clearer story for trailering families: the Monterey M4 2020 tips the scales at 4 500 lbs — 4 445 lbs less than the Monterey 278SS 2008 at 55 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 2008 has a 125-hp advantage over the Monterey M4 2020's 300-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 2008 carries 89 gallons versus 5 gallons in the Monterey M4 2020. 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 Monterey 278SS 2008 is rated for 8 passengers, while the Monterey M4 2020 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Monterey 278SS 2008 could be the deciding factor.
Bottom line: Choose the Monterey 278SS 2008 if your priority is putting more people on the water — it handles 8 passengers and at 28,0 ft it has the deck room to back that rating up comfortably. The Monterey M4 2020 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.
General Boat Info
MakeMonterey
Makenot available
Model278SS
Modelnot available
Model Year2008
Model Yearnot available
Measurements / Dimensions
Beam8 ft. 6 in. (2.6 m)
Beam8.60 ft
Beam - Meters2.59
Beam - Meters2.62
Beam - Inches102
Beam - Inches103
Deadrise21℃
Deadrisenot available
Weight - Detail5,500 lbs. (2,495 kg)
Weight - Detailnot available
Weight - kg2494.76
Weight - kgnot available
Weight - lbs.55
Weight - lbs.not available
Length - Meters8.8
Length - Metersnot available
Length - Feet28
Length - Feet23.1
Length - Inches1
Length - Inchesnot available
Length overall - Detail28 ft. 10 in. (8.8 m)
Length overall - Detail23.10 ft
Length overall - Meters8.79
Length overall - Meters7.04
Length overall - Inches346
Length overall - Inches277
Draft [max] - Detailnot available
Draft [max] - Detail3.60 ft
Draft [max] - Metersnot available
Draft [max] - Meters1.1
Draft [max] - Inchesnot available
Draft [max] - Inches43
Draft Minnot available
Draft Min2.20 ft
Displacementnot available
Displacement4500.00 lbs
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Engine/s standardMerc 350MAG BRIII 300 hp
Engine/s standardnot available
Fuel tank capacity - Detail89 gal. (337 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters336.9
Fuel tank capacity - Liters189.27
Fuel tank capacity - Gal89
Fuel tank capacity - Gal5
Fuel typeGas
Fuel typenot available
Drive typeInboard
Drive typeinboard
Engine max425 hp (316 kW)
Engine maxnot available
Horsepowernot available
Horsepower300 hp
Engine 2 Engine Makenot available
Engine 2 Engine MakeVOLVO PENTA
Engine 2 Horsepowernot available
Engine 2 Horsepower380 hp
Engine 2 Drive Typenot available
Engine 2 Drive Typeinboard
Operational Info
Water capacity15 gal. (57 l)
Water capacity1
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
Boat typenot available
Boat typePower