Detailed Evaluation & Buyer Recommendation
Monterey 318SSX 2008 vs Monterey 400SY 2010 — Same Brand, Different Boat
Matching a deep vee Monterey 318SSX 2008 against a modified vee Monterey 400SY 2010 means you're likely deciding between two genuinely 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 400SY 2010 measures 41,0 feet overall (2010), giving it roughly 10,0 additional feet of deck space compared to the Monterey 318SSX 2008 at 31,0 feet (2008). At 8 lbs and 22 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.
The power gap is worth calling out. Rated to 435 hp, the Monterey 400SY 2010 has a 115-hp advantage over the Monterey 318SSX 2008'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 318SSX 2008 carries 142 gallons versus 33 gallons in the Monterey 400SY 2010. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
The Monterey 318SSX 2008 is rated for up to 9 people. Passenger data for the Monterey 400SY 2010 wasn't available.
Bottom line: The Monterey 400SY 2010 at 41,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Monterey 318SSX 2008 at 31,0 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
Model Year2008
Model Year201
Measurements / Dimensions
Beam9 ft. 6 in. (2.9 m)
Beam12 ft. 6 in. (3.8 m)
Beam - Meters2.9
Beam - Meters3.81
Beam - Inches114
Beam - Inches15
Deadrise22°
Deadrise17℃
Weight - Detail8,000 lbs. (3,629 kg)
Weight - Detail22,000 lbs. (9,979 kg)
Weight - kg3628.74
Weight - kg9979.02
Weight - lbs.8
Weight - lbs.22
Length - Meters9.7
Length - Metersnot available
Length - Feet31
Length - Feet41
Length - Inches1
Length - Inchesnot available
Length overall - Detail31 ft. 10 in. (9.7 m)
Length overall - Detailnot available
Length overall - Meters9.7
Length overall - Metersnot available
Length overall - Inches382
Length overall - Inchesnot available
Bridge clearance - Detailnot available
Bridge clearance - DetailWith Arch: 10 ft. 7 in. (3.23 m)
Bridge clearance - Metersnot available
Bridge clearance - Meters3.23
Bridge clearance - Inchesnot available
Bridge clearance - Inches127
Draft [max] - Detailnot available
Draft [max] - Detail45 in. (114.3 cm)
Draft [max] - Metersnot available
Draft [max] - Meters1.14
Draft [max] - Inchesnot available
Draft [max] - Inches45
Length [over all with swim platform]not available
Length [over all with swim platform]41 ft. (12.5 m)
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeDeep Vee
Hull typeModified Vee
Engine and Drivetrain
Engine/s standardTwin Volvo 5.0L GXI DP 270hp
Engine/s standardnot available
Fuel tank capacity - Detail142 gal. (538 l)
Fuel tank capacity - Detail330 gal. (1,249 l)
Fuel tank capacity - Liters537.53
Fuel tank capacity - Liters1249.19
Fuel tank capacity - Gal142
Fuel tank capacity - Gal33
Fuel typeGas
Fuel typeDiesel
Drive typeInboard - Twin
Drive typeInboard - Twin
Engine maxtwin 320 hp (Twin 239 kW)
Engine maxT-435 hp (T-324.37 kW)
Operational Info
Water capacity15 gal. (57 l)
Water capacity75 gal. (284 l)
Holding tank capacity - Detail18 gal. (68 l)
Holding tank capacity - Detail39 gal. (147 l)
Holding tank capacity - Liters68.14
Holding tank capacity - Liters147.63
Holding tank capacity - Gal18
Holding tank capacity - Gal39
Headroomnot available
Headroom6 ft. 5 in. (1.96 m)