Cobalt Boats A28 2012 boat specs
Cobalt Boats
Cobalt Boats A28 2012
2012
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VS
Cobalt Boats R35 2022 boat specs
Cobalt Boats
Cobalt Boats R35 2022
2022
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Cobalt Boats A28 2012 vs Cobalt Boats R35 2022 — Same Brand, Different Boat

The Cobalt Boats A28 2012 vs Cobalt Boats R35 2022 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 Cobalt Boats A28 2012 carries a rated maximum of 430 hp. Engine data for the Cobalt Boats R35 2022 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Cobalt Boats R35 2022 carries 158 gallons versus 9 gallons in the Cobalt Boats A28 2012. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Bottom line: The Cobalt Boats R35 2022 at 34,8 ft is the right call if deck space, comfort, and entertaining are top of your list. The Cobalt Boats A28 2012 at 28,5 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
MakeCobalt Boats
Makenot available
ModelA28
Modelnot available
Model Year2012
Model Yearnot available
Measurements / Dimensions
Beam8 ft. 6 in. (2.59 m)
Beamnot available
Beam - Meters2.59
Beam - Metersnot available
Beam - Inches102
Beam - Inchesnot available
Bridge clearance - DetailWithout Bimini: 4 ft. 11 in. (1.5 m)
Bridge clearance - Detailnot available
Bridge clearance - Meters1.5
Bridge clearance - Metersnot available
Bridge clearance - Inches59
Bridge clearance - Inchesnot available
Deadrise21°
Deadrisenot available
Draft [drive up] - Detail30 in. (0.76 m)
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] - Detail39 in. (0.99 m)
Draft [max] - Detail2.92 ft
Draft [max] - Meters0.99
Draft [max] - Meters0.89
Draft [max] - Inches39
Draft [max] - Inches35
Weight - Detail5,460 lbs. (2,477 kg)
Weight - Detailnot available
Weight - kg2476.61
Weight - kgnot available
Weight - lbs.546
Weight - lbs.not available
Length - Feet28.5
Length - Feet34.75
Length [over all with swim platform]28 ft. 6 in. (8.68 m)
Length [over all with swim platform]not available
Length overall - Detailnot available
Length overall - Detail34.75 ft
Length overall - Metersnot available
Length overall - Meters10.59
Length overall - Inchesnot available
Length overall - Inches417
Draft Minnot available
Draft Min2.00 ft
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeDeep Vee
Hull typenot available
Engine and Drivetrain
Engine/s standardVolvo Penta 8.1 GiC DP
Engine/s standardnot available
Fuel tank capacity - Detail90 gal. (341 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters340.69
Fuel tank capacity - Liters598.09
Fuel tank capacity - Gal9
Fuel tank capacity - Gal158
Fuel typeGas
Fuel typenot available
Drive typeI/O
Drive typenot available
Horsepower400 php (298 PkW)
Horsepowernot available
Engine max430 php (321 PkW)
Engine maxnot available
Operational Info
HeadPorta Potti
Headnot available
Water capacity10 gal. (38 l)
Water capacity27
Holding tank capacity - Galnot available
Holding tank capacity - Gal28
Holding tank capacity - Litersnot available
Holding tank capacity - Liters105.99
Boat typenot available
Boat typePower

Cobalt Boats A28 2012 vs Cobalt Boats R35 2022 — Common Questions

Which is the larger boat — the Cobalt Boats A28 2012 or the Cobalt Boats R35 2022?
The Cobalt Boats R35 2022 is the longer of the two at 34,8 feet overall. The Cobalt Boats A28 2012 comes in at 28,5 feet, making it roughly 6,3 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Cobalt Boats A28 2012 has a documented max rating of 430 hp. Engine specifications for the Cobalt Boats R35 2022 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many passengers can the Cobalt Boats R35 2022 carry?
The Cobalt Boats R35 2022 has an official capacity rating of 10 people. Capacity data wasn't available for the other model in this comparison — verify directly with the dealer.
Which boat has the larger fuel tank — the Cobalt Boats A28 2012 or the Cobalt Boats R35 2022?
The Cobalt Boats R35 2022 has the bigger tank at 158 gallons, versus 9 gallons on the Cobalt Boats A28 2012. That 149-gallon difference translates to roughly 447–745 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Cobalt Boats A28 2012 and Cobalt Boats R35 2022 from the same manufacturer?
Yes — both the Cobalt Boats A28 2012 and the Cobalt Boats R35 2022 are built by Cobalt 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.