J Boats J/105 Standard Standard 1991 boat specs
J Boats
J Boats J/105 Standard Standard 1991
1991
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VS
J Boats J/108 2011 boat specs
J Boats
J Boats J/108 2011
2011
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J Boats J/105 Standard Standard 1991 vs J Boats J/108 2011 — Same Brand, Different Boat

The J Boats J/105 Standard Standard 1991 vs J Boats J/108 2011 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.

On paper these two are close siblings in the size department — J Boats J/105 Standard Standard 1991 at 34,5 ft versus J Boats J/108 2011 at 36,1 ft. Weight tells a clearer story for trailering families: the J Boats J/108 2011 tips the scales at 11 420 lbs — 3 671 lbs less than the J Boats J/105 Standard Standard 1991 at 7 749 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.

For family outings this is probably the sharpest distinction between the two. The J Boats J/108 2011 is rated for 11 passengers, while the J Boats J/105 Standard Standard 1991 caps at 10. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the J Boats J/108 2011 could be the deciding factor.

Displacement is where these two sailboats genuinely part ways. The J Boats J/108 2011 displaces 11 420 lbs — a 3 671-lb difference over the J Boats J/105 Standard Standard 1991 at 7 749 lbs. That gap separates two entirely different categories of sailing: the heavier boat is built for offshore passage-making and load-carrying, while the lighter hull rewards performance sailing and easier handling in lighter air.

Both boats draw a similar depth — 6,6 ft and 6,1 ft respectively. Marina access and anchorage options should be broadly equivalent between the two.

The J Boats J/105 Standard Standard 1991 uses fractional_rig_sloop rigging.

Hull speed is rated at 7,4 knots for the J Boats J/108 2011 and 7,3 knots for the J Boats J/105 Standard Standard 1991.

Bottom line: The J Boats J/108 2011 is the offshore and bluewater choice — at 11 420 lbs displacement and 36 ft it has the load capacity, range, and seakeeping for extended passages. The J Boats J/105 Standard Standard 1991 at 7 749 lbs is the more nimble, accessible option — easier to single-hand and better suited to coastal and inland sailing.
Measurements / Dimensions
Length overall - Detail34.50 ft
Length overall - Detail36.11 ft
Length - Feet34.5
Length - Feet36.11
Length overall - Meters10.52
Length overall - Meters11.01
Length overall - Inches414
Length overall - Inches433
Beam11.00 ft
Beam11.60 ft
Beam - Meters3.35
Beam - Meters3.54
Beam - Inches132
Beam - Inches139
Draft [max] - Detail6.60 ft
Draft [max] - Detail6.11 ft
Draft [max] - Meters2.01
Draft [max] - Meters1.86
Draft [max] - Inches79
Draft [max] - Inches73
Displacement7749.00 lbs
Displacement11420.00 lbs
Body / Hull
Rudder1 spade rudder
Rudder2 spade rudders
Helm1 wheel
Helm1 wheel
Engine and Drivetrain
Fuel tank capacity - Gal11.9
Fuel tank capacity - Gal25.1
Fuel tank capacity - Liters45.05
Fuel tank capacity - Liters95.01
Engine 2 Horsepower20 hp
Engine 2 Horsepower28 hp
Engine 2 Drive Typeinboard
Engine 2 Drive Typeinboard
Performance
Maximum speed7.28
Maximum speed7.4
Maximum speed measureknots
Maximum speed measureknots
Operational Info
Holding tank capacity - Gal11.9
Holding tank capacity - Galnot available
Holding tank capacity - Liters45.05
Holding tank capacity - Litersnot available
Riggingfractional_rig_sloop
Riggingfractional_rig_sloop
Mast ConfigurationKeel stepped mast
Mast ConfigurationKeel stepped mast
Boat typeSail
Boat typeSail
Water capacitynot available
Water capacity34.3

J Boats J/105 Standard Standard 1991 vs J Boats J/108 2011 — Common Questions

Which is the larger boat — the J Boats J/105 Standard Standard 1991 or the J Boats J/108 2011?
The J Boats J/108 2011 is the longer of the two at 36,1 feet overall. The J Boats J/105 Standard Standard 1991 comes in at 34,5 feet, making it roughly 1,6 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the J Boats J/105 Standard Standard 1991 or the J Boats J/108 2011?
For trailering, the J Boats J/105 Standard Standard 1991 has the edge at 7 749 lbs dry weight versus 11 420 lbs for the J Boats J/108 2011. 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 J Boats J/105 Standard Standard 1991 is Coast Guard rated for 10 passengers, while the J Boats J/108 2011 is certified for 11. 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 has the deeper draft — the J Boats J/105 Standard Standard 1991 or the J Boats J/108 2011?
The J Boats J/105 Standard Standard 1991 has the deeper draft at 6,6 ft, versus 6,1 ft for the J Boats J/108 2011. A deeper draft generally means better upwind performance and stability, but limits access to shallow anchorages and some marina berths. Always check the controlling depth of your home port and favourite cruising grounds before committing.
Is the J Boats J/105 Standard Standard 1991 or the J Boats J/108 2011 better suited for offshore sailing?
For offshore work, displacement and construction are the primary indicators. The J Boats J/108 2011 at 11 420 lbs displacement is the heavier, more load-carrying design — generally better suited to extended passages where seakeeping and provisioning capacity matter most. The J Boats J/105 Standard Standard 1991 at 7 749 lbs will typically be livelier and more responsive in lighter conditions.
Which is the faster sailboat — the J Boats J/105 Standard Standard 1991 or the J Boats J/108 2011?
Based on rated hull speed, the J Boats J/108 2011 has an edge at 7,4 knots versus 7,3 knots for the J Boats J/105 Standard Standard 1991. Keep in mind that actual sailing speed depends heavily on wind conditions, sail trim, bottom condition, and skipper experience — hull speed is a theoretical maximum, not a guarantee.
Which boat is wider, and does it affect trailering?
The J Boats J/108 2011 measures 139" wide, compared to 132" for the J Boats J/105 Standard Standard 1991. 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 J Boats J/105 Standard Standard 1991 or the J Boats J/108 2011?
The J Boats J/108 2011 has the bigger tank at 25 gallons, versus 12 gallons on the J Boats J/105 Standard Standard 1991. That 13-gallon difference translates to roughly 39–66 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the J Boats J/105 Standard Standard 1991 and J Boats J/108 2011 from the same manufacturer?
Yes — both the J Boats J/105 Standard Standard 1991 and the J Boats J/108 2011 are built by J Boats. 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.