Detailed Evaluation & Buyer Recommendation
Monterey 320SY 2010 vs Monterey M-65 2020 — Same Brand, Different Boat
The Monterey 320SY 2010 vs Monterey M-65 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.
The power gap is worth calling out. Rated to 400 hp, the Monterey M-65 2020 has a 80-hp advantage over the Monterey 320SY 2010'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 320SY 2010 carries 18 gallons versus 8 gallons in the Monterey M-65 2020. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Bottom line: The Monterey 320SY 2010 at 33,8 ft is the right call if deck space, comfort, and entertaining are top of your list. The Monterey M-65 2020 at 26,7 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
Makenot available
Model320SY
Modelnot available
Model Year201
Model Yearnot available
Measurements / Dimensions
Beam10 ft. 10 in. (3.3 m)
Beam8.60 ft
Beam - Meters3.3
Beam - Meters2.62
Beam - Inches13
Beam - Inches103
Bridge clearance - DetailWith Arch: 10 ft. 2 in. (3.1 m)
Bridge clearance - Detailnot available
Bridge clearance - Meters3.1
Bridge clearance - Metersnot available
Bridge clearance - Inches122
Bridge clearance - Inchesnot available
Deadrise17℃
Deadrisenot available
Draft [drive up] - Detail30 in. (76.2 cm)
Draft [drive up] - Detailnot available
Draft [drive up] meters0.76
Draft [drive up] metersnot available
Draft [drive up] inches3
Draft [drive up] inchesnot available
Draft [max] - Detail40 in. (101.6 cm)
Draft [max] - Detail3.30 ft
Draft [max] - Meters1.02
Draft [max] - Meters1.01
Draft [max] - Inches4
Draft [max] - Inches40
Length - Feet33.83
Length - Feet26.7
Length [over all with swim platform]33 ft. 10 in. (10.3 m)
Length [over all with swim platform]not available
Length overall - Detailnot available
Length overall - Detail26.70 ft
Length overall - Metersnot available
Length overall - Meters8.14
Length overall - Inchesnot available
Length overall - Inches320
Draft Minnot available
Draft Min1.80 ft
Displacementnot available
Displacement5200.00 lbs
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Fuel tank capacity - Detail180 gal. (681.37 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters681.37
Fuel tank capacity - Liters302.83
Fuel tank capacity - Gal18
Fuel tank capacity - Gal8
Fuel typeGas or Diesel
Fuel typeGas
Drive typeInboard - Twin
Drive typeoutboard
Engine maxT-320 hp (T-223.7 kW)
Engine maxnot available
Engine makenot available
Engine makeMercury
Horsepowernot available
Horsepower400 hp
Operational Info
Headroom6 ft. 3 in. (1.91 m)
Headroomnot available
Water capacity42 gal. (159 l)
Water capacity15
Holding tank capacity - Detail28 gal. (105.99 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Liters105.99
Holding tank capacity - Liters41.64
Holding tank capacity - Gal28
Holding tank capacity - Gal11
Boat typenot available
Boat typePower