Cobalt Boats 343 2006 vs Cobalt Boats CS3 2017 - Boat Spec Comparison

Q: Which is the larger boat — the Cobalt Boats 343 2006 or the Cobalt Boats CS3 2017?

The Cobalt Boats 343 2006 is the longer of the two at 35,0 feet overall. The Cobalt Boats CS3 2017 comes in at 24,0 feet, making it roughly 11,0 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 CS3 2017 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 CS3 2017 is certified for 7. 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 has the larger fuel tank — the Cobalt Boats 343 2006 or the Cobalt Boats CS3 2017?

The Cobalt Boats CS3 2017 has the bigger tank at 5 gallons, versus 2 gallons on the Cobalt Boats 343 2006. That 3-gallon difference translates to roughly 9–15 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Cobalt Boats 343 2006 and Cobalt Boats CS3 2017 from the same manufacturer?

Yes — both the Cobalt Boats 343 2006 and the Cobalt Boats CS3 2017 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 CS3 2017

Cobalt Boats

Cobalt Boats 343 2006

2006

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Cobalt Boats

Cobalt Boats CS3 2017

2017

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Detailed Evaluation & Buyer Recommendation

Cobalt Boats 343 2006 vs Cobalt Boats CS3 2017 — Same Brand, Different Boat

The Cobalt Boats 343 2006 vs Cobalt Boats CS3 2017 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 CS3 2017 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Both carry nearly identical fuel loads — 2 gal and 5 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Cobalt Boats 343 2006 is rated for 10 passengers, while the Cobalt Boats CS3 2017 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Cobalt Boats 343 2006 could be the deciding factor.

Bottom line: Choose the Cobalt Boats 343 2006 if your priority is putting more people on the water — it handles 10 passengers and at 35,0 ft it has the deck room to back that rating up comfortably. The Cobalt Boats CS3 2017 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 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)

Beamnot available

Beam - Meters2.95

Beam - Metersnot available

Beam - Inches116

Beam - Inchesnot available

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] - Detailnot available

Draft [max] - Meters0.94

Draft [max] - Metersnot available

Draft [max] - Inches37

Draft [max] - Inchesnot available

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 - Feet24

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 - Detail24.00 ft

Length overall - Meters10.77

Length overall - Meters7.32

Length overall - Inches424

Length overall - Inches288

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 - Liters189.27

Fuel tank capacity - Gal2

Fuel tank capacity - Gal5

Fuel typeGas or diesel

Fuel typeGas

Drive typeI/O

Drive typenot available

Engine maxTwin 500 hp

Engine maxnot available

Operational Info

HeadElectric

Headnot available

Water capacity10 gal. (37.9 l)

Water capacitynot available

Maximum capacityYacht certified

Maximum capacitynot available

Maximum peopleYacht certified

Maximum peoplenot available

Boat typenot available

Boat typePower

Cobalt Boats 343 2006 vs Cobalt Boats CS3 2017 — Common Questions

Which is the larger boat — the Cobalt Boats 343 2006 or the Cobalt Boats CS3 2017?

The Cobalt Boats 343 2006 is the longer of the two at 35,0 feet overall. The Cobalt Boats CS3 2017 comes in at 24,0 feet, making it roughly 11,0 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 CS3 2017 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 CS3 2017 is certified for 7. 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 Cobalt Boats 343 2006 or the Cobalt Boats CS3 2017?

The Cobalt Boats CS3 2017 has the bigger tank at 5 gallons, versus 2 gallons on the Cobalt Boats 343 2006. That 3-gallon difference translates to roughly 9–15 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Cobalt Boats 343 2006 and Cobalt Boats CS3 2017 from the same manufacturer?

Yes — both the Cobalt Boats 343 2006 and the Cobalt Boats CS3 2017 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 CS3 2017 full specs