Stamas 392 Aegean Inboard Diesel  2012 boat specs
Stamas
Stamas 392 Aegean Inboard Diesel 2012
2012
View full specs →
VS
Stamas Yacht 390 Aegean 2015 boat specs
Stamas
Stamas Yacht 390 Aegean 2015
2015
View full specs →

Stamas 392 Aegean Inboard Diesel 2012 vs Stamas Yacht 390 Aegean 2015 — Same Brand, Different Boat

The Stamas 392 Aegean Inboard Diesel 2012 vs Stamas Yacht 390 Aegean 2015 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 Stamas Yacht 390 Aegean 2015 tops out at 300 hp. Engine specs for the Stamas 392 Aegean Inboard Diesel 2012 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Stamas Yacht 390 Aegean 2015 carries 41 gallons versus 4 gallons in the Stamas 392 Aegean Inboard Diesel 2012. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 11 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

Bottom line: The Stamas 392 Aegean Inboard Diesel 2012 and Stamas Yacht 390 Aegean 2015 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.
General Boat Info
MakeStamas
Makenot available
Model392 Aegean Inboard Diesel
Modelnot available
Model Year2012
Model Yearnot available
Measurements / Dimensions
Beam13 ft. 2 in. (4.01 m)
Beamnot available
Beam - Meters4.01
Beam - Metersnot available
Beam - Inches158
Beam - Inchesnot available
Bridge clearance - DetailWithout Top: 8 ft. 3 in. (2.51 m) With Standard Hardtop: 11 ft. 3 in. (3.44 m)
Bridge clearance - Detailnot available
Bridge clearance - Meters3.43
Bridge clearance - Metersnot available
Bridge clearance - Inches135
Bridge clearance - Inchesnot available
Draft [max] - Detail28 in. (0.71 m) (average)
Draft [max] - Detailnot available
Draft [max] - Meters0.71
Draft [max] - Metersnot available
Draft [max] - Inches28
Draft [max] - Inchesnot available
Weight - Detail21,130 lbs. (9,572 kg)
Weight - Detailnot available
Weight - kg9584.4
Weight - kgnot available
Weight - lbs.2113
Weight - lbs.not available
Length - Feet39.17
Length - Feet39
Length overall - Detail39 ft. 2 in. (11.94 m)
Length overall - Detail39.00 ft
Length overall - Meters11.94
Length overall - Meters11.89
Length overall - Inches47
Length overall - Inches468
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeDeep Vee
Hull typenot available
Engine and Drivetrain
Engine/s standard(2) 440 hp ((2) 328 kW)
Engine/s standardnot available
Fuel tank capacity - Detail400 gal. (1,514 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters1514.16
Fuel tank capacity - Liters1552.02
Fuel tank capacity - Gal4
Fuel tank capacity - Gal41
Fuel typeDiesel
Fuel typeGas
Drive typeInboard - Twin
Drive typeoutboard
Engine makenot available
Engine makeYamaha
Horsepowernot available
Horsepower300 hp
Operational Info
Headroom6 ft. 4 in. (1.93 m)
Headroomnot available
Sleeping capacity6
Sleeping capacity6
Water capacity84 gal. (318 l)
Water capacity4
Headnot available
Head1
Boat typenot available
Boat typePower

Stamas 392 Aegean Inboard Diesel 2012 vs Stamas Yacht 390 Aegean 2015 — Common Questions

Which is the larger boat — the Stamas 392 Aegean Inboard Diesel 2012 or the Stamas Yacht 390 Aegean 2015?
The Stamas 392 Aegean Inboard Diesel 2012 is the longer of the two at 39,2 feet overall. The Stamas Yacht 390 Aegean 2015 comes in at 39,0 feet, making it roughly 0,2 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Stamas Yacht 390 Aegean 2015 has a documented max rating of 300 hp. Engine specifications for the Stamas 392 Aegean Inboard Diesel 2012 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Stamas 392 Aegean Inboard Diesel 2012 is Coast Guard rated for 11 passengers, while the Stamas Yacht 390 Aegean 2015 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 larger fuel tank — the Stamas 392 Aegean Inboard Diesel 2012 or the Stamas Yacht 390 Aegean 2015?
The Stamas Yacht 390 Aegean 2015 has the bigger tank at 41 gallons, versus 4 gallons on the Stamas 392 Aegean Inboard Diesel 2012. That 37-gallon difference translates to roughly 111–185 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Stamas 392 Aegean Inboard Diesel 2012 and Stamas Yacht 390 Aegean 2015 from the same manufacturer?
Yes — both the Stamas 392 Aegean Inboard Diesel 2012 and the Stamas Yacht 390 Aegean 2015 are built by Stamas. 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.