Sealine C430 2021 boat specs
Sealine
Sealine C430 2021
2021
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VS
Sealine S335 2021 boat specs
Sealine
Sealine S335 2021
2021
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Sealine C430 2021 vs Sealine S335 2021 — Same Brand, Different Boat

The Sealine C430 2021 vs Sealine S335 2021 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.

Size is the most obvious dividing line here. The Sealine C430 2021 measures 44,5 feet overall (2021), giving it roughly 11,4 additional feet of deck space compared to the Sealine S335 2021 at 33,1 feet (2021). Weight tells a clearer story for trailering families: the Sealine C430 2021 tips the scales at 29 586 lbs — 16 050 lbs more than the Sealine S335 2021 at 13 536 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.

The power gap is worth calling out. Rated to 760 hp, the Sealine C430 2021 has a 360-hp advantage over the Sealine S335 2021's 400-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sealine C430 2021 carries 242 gallons versus 125 gallons in the Sealine S335 2021. 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 Sealine C430 2021 is rated for 13 passengers, while the Sealine S335 2021 caps at 10. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sealine C430 2021 could be the deciding factor.

Bottom line: Choose the Sealine C430 2021 if your priority is putting more people on the water — it handles 13 passengers and at 44,5 ft it has the deck room to back that rating up comfortably. The Sealine S335 2021 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 10 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail44.50 ft
Length overall - Detail33.10 ft
Length - Feet44.5
Length - Feet33.1
Length overall - Meters13.56
Length overall - Meters10.09
Length overall - Inches534
Length overall - Inches397
Beam13.90 ft
Beam11.60 ft
Beam - Meters4.24
Beam - Meters3.54
Beam - Inches167
Beam - Inches139
Draft [max] - Detail3.90 ft
Draft [max] - Detail3.30 ft
Draft [max] - Meters1.19
Draft [max] - Meters1.01
Draft [max] - Inches47
Draft [max] - Inches40
Displacement29586.00 lbs
Displacement13536.00 lbs
Engine and Drivetrain
Fuel tank capacity - Gal242
Fuel tank capacity - Gal125
Fuel tank capacity - Liters916.07
Fuel tank capacity - Liters473.18
Engine makeVolvo Penta
Engine makeVolvo Penta
Engine modelIPS 76
Engine modelD6
Horsepower760 hp
Horsepower400 hp
Fuel typeDiesel
Fuel typeDiesel
Drive typeinboard
Drive typeinboard
Engine 2 Engine MakeVolvo Penta
Engine 2 Engine Makenot available
Engine 2 Engine ModelIPS 76
Engine 2 Engine Modelnot available
Engine 2 Horsepower760 hp
Engine 2 Horsepowernot available
Engine 2 Fuel TypeDiesel
Engine 2 Fuel Typenot available
Engine 2 Drive Typeinboard
Engine 2 Drive Typenot available
Performance
Cruising speed30
Cruising speednot available
Cruising speed measureknots
Cruising speed measurenot available
Maximum speed33
Maximum speed28
Maximum speed measureknots
Maximum speed measureknots
Operational Info
Sleeping capacity6
Sleeping capacity4
Cabins3
Cabins2
Head2
Head1
Water capacity99
Water capacity48
Boat typePower
Boat typePower

Sealine C430 2021 vs Sealine S335 2021 — Common Questions

Which is the larger boat — the Sealine C430 2021 or the Sealine S335 2021?
The Sealine C430 2021 is the longer of the two at 44,5 feet overall. The Sealine S335 2021 comes in at 33,1 feet, making it roughly 11,4 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sealine C430 2021 or the Sealine S335 2021?
For trailering, the Sealine S335 2021 has the edge at 13 536 lbs dry weight versus 29 586 lbs for the Sealine C430 2021. 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.
Which boat can handle a bigger outboard?
The Sealine C430 2021 is rated to a maximum of 760 hp, giving it the larger power ceiling. The Sealine S335 2021 tops out at 400 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
How many people can each boat hold?
The Sealine C430 2021 is Coast Guard rated for 13 passengers, while the Sealine S335 2021 is certified for 10. 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 Sealine C430 2021 measures 167" wide, compared to 139" for the Sealine S335 2021. 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 Sealine C430 2021 or the Sealine S335 2021?
The Sealine C430 2021 has the bigger tank at 242 gallons, versus 125 gallons on the Sealine S335 2021. That 117-gallon difference translates to roughly 351–585 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sealine C430 2021 and Sealine S335 2021 from the same manufacturer?
Yes — both the Sealine C430 2021 and the Sealine S335 2021 are built by Sealine. 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.