Cobalt Boats 343 2006 vs Cobalt Boats A40 2016 - Boat Spec Comparison

Q: Which is the larger boat — the Cobalt Boats 343 2006 or the Cobalt Boats A40 2016?

The Cobalt Boats A40 2016 is the longer of the two at 40,0 feet overall. The Cobalt Boats 343 2006 comes in at 35,0 feet, making it roughly 5,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: What is the maximum horsepower rating for these boats?

The Cobalt Boats 343 2006 has a documented max rating of 500 hp. Engine specifications for the Cobalt Boats A40 2016 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

Q: How many people can each boat hold?

The Cobalt Boats 343 2006 is Coast Guard rated for 10 passengers, while the Cobalt Boats A40 2016 is certified for 12. 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.

Q: Which boat is wider, and does it affect trailering?

The Cobalt Boats A40 2016 measures 144" wide, compared to 116" for the Cobalt Boats 343 2006. 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.

Q: Which boat has the larger fuel tank — the Cobalt Boats 343 2006 or the Cobalt Boats A40 2016?

The Cobalt Boats A40 2016 has the bigger tank at 225 gallons, versus 2 gallons on the Cobalt Boats 343 2006. That 223-gallon difference translates to roughly 669–1115 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Cobalt Boats 343 2006 and Cobalt Boats A40 2016 from the same manufacturer?

Yes — both the Cobalt Boats 343 2006 and the Cobalt Boats A40 2016 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.

Boat Comparison

Cobalt Boats 343 2006 vs Cobalt Boats A40 2016

Cobalt Boats

Cobalt Boats 343 2006

2006

View full specs →

Cobalt Boats

Cobalt Boats A40 2016

2016

View full specs →

Detailed Evaluation & Buyer Recommendation

Cobalt Boats 343 2006 vs Cobalt Boats A40 2016 — Same Brand, Different Boat

The Cobalt Boats 343 2006 vs Cobalt Boats A40 2016 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 343 2006 carries a rated maximum of 500 hp. Engine data for the Cobalt Boats A40 2016 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 A40 2016 carries 225 gallons versus 2 gallons in the Cobalt Boats 343 2006. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Cobalt Boats A40 2016 is rated for 12 passengers, while the Cobalt Boats 343 2006 caps at 10. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Cobalt Boats A40 2016 could be the deciding factor.

Bottom line: Choose the Cobalt Boats A40 2016 if your priority is putting more people on the water — it handles 12 passengers and at 40,0 ft it has the deck room to back that rating up comfortably. The Cobalt Boats 343 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 10 that costs less to run day-to-day.

General Boat Info

MakeCobalt Boats

Makenot available

Model343

Modelnot available

Model Year2006

Model Yearnot available

Measurements / Dimensions

Beam9 ft. 8 in. (2.95 m)

Beam12.00 ft

Beam - Meters2.95

Beam - Meters3.66

Beam - Inches116

Beam - Inches144

Bridge clearance - Detail69 in. (1.75 m)

Bridge clearance - Detailnot available

Bridge clearance - Meters1.75

Bridge clearance - Metersnot available

Bridge clearance - Inches69

Bridge clearance - Inchesnot available

Deadrise24.5℃

Deadrisenot available

Draft [drive up] - Detail28 in. (0.71 m) (with twin engines)

Draft [drive up] - Detailnot available

Draft [drive up] meters0.71

Draft [drive up] metersnot available

Draft [drive up] inches28

Draft [drive up] inchesnot available

Draft [max] - Detail37 in. (0.94 m) (with twin engines)

Draft [max] - Detail3.31 ft

Draft [max] - Meters0.94

Draft [max] - Meters1.01

Draft [max] - Inches37

Draft [max] - Inches40

Weight - Detail11,750 lbs. (5,330 kg) (with twin big block engines)

Weight - Detailnot available

Weight - kg5329.71

Weight - kgnot available

Weight - lbs.1175

Weight - lbs.not available

Height - DetailOverall: 87-1/2 in. (2.22 m) With arch or tower: 116-1/2 in. (2.96 m) Without windshield: 73-1/2 in. (1.87 m)

Height - Detailnot available

Height - Meters2.97

Height - Metersnot available

Height - Inches116.5

Height - Inchesnot available

Length - Meters10.78

Length - Metersnot available

Length - Feet35

Length - Feet40

Length - Inches4

Length - Inchesnot available

Length [over all with swim platform]37 ft. 2-1/2 in. (11.34 m)

Length [over all with swim platform]not available

Length overall - Detail35 ft. 4 in. (10.78 m)

Length overall - Detail40.00 ft

Length overall - Meters10.77

Length overall - Meters12.19

Length overall - Inches424

Length overall - Inches480

Engine and Drivetrain

Engine/s standardMerCruiser Twin 496 Mag MPI Bravo 1 375 hp (280 kW)

Engine/s standardnot available

Fuel tank capacity - Detail200 gal. (757 l)

Fuel tank capacity - Detailnot available

Fuel tank capacity - Liters757.08

Fuel tank capacity - Liters851.72

Fuel tank capacity - Gal2

Fuel tank capacity - Gal225

Fuel typeGas or diesel

Fuel typenot available

Drive typeI/O

Drive typeinboard

Engine maxTwin 500 hp

Engine maxnot available

Engine makenot available

Engine makeVOLVO PENTA

Engine 2 Engine Makenot available

Engine 2 Engine MakeVOLVO PENTA

Engine 2 Drive Typenot available

Engine 2 Drive Typeinboard

Operational Info

HeadElectric

Headnot available

Water capacity10 gal. (37.9 l)

Water capacity5

Maximum capacityYacht certified

Maximum capacitynot available

Maximum peopleYacht certified

Maximum peoplenot available

Boat typenot available

Boat typePower

Performance

Cruising speednot available

Cruising speed22.6

Cruising speed measurenot available

Cruising speed measureknots

Maximum speednot available

Maximum speed34.8

Maximum speed measurenot available

Maximum speed measureknots

Cobalt Boats 343 2006 vs Cobalt Boats A40 2016 — Common Questions

Which is the larger boat — the Cobalt Boats 343 2006 or the Cobalt Boats A40 2016?

The Cobalt Boats A40 2016 is the longer of the two at 40,0 feet overall. The Cobalt Boats 343 2006 comes in at 35,0 feet, making it roughly 5,0 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 343 2006 has a documented max rating of 500 hp. Engine specifications for the Cobalt Boats A40 2016 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 Cobalt Boats 343 2006 is Coast Guard rated for 10 passengers, while the Cobalt Boats A40 2016 is certified for 12. 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 is wider, and does it affect trailering?

The Cobalt Boats A40 2016 measures 144" wide, compared to 116" for the Cobalt Boats 343 2006. 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 Cobalt Boats 343 2006 or the Cobalt Boats A40 2016?

The Cobalt Boats A40 2016 has the bigger tank at 225 gallons, versus 2 gallons on the Cobalt Boats 343 2006. That 223-gallon difference translates to roughly 669–1115 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Cobalt Boats 343 2006 and Cobalt Boats A40 2016 from the same manufacturer?

Yes — both the Cobalt Boats 343 2006 and the Cobalt Boats A40 2016 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.

← Cobalt Boats 343 2006 full specs ← Cobalt Boats A40 2016 full specs