Sealine C390v 2020 boat specs
Sealine
Sealine C390v 2020
2020
View full specs →
VS
Sealine F42 2012 boat specs
Sealine
Sealine F42 2012
2012
View full specs →

Sealine C390v 2020 vs Sealine F42 2012 — Same Brand, Different Boat

The Sealine C390v 2020 vs Sealine F42 2012 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.

On paper these two are close siblings in the size department — Sealine C390v 2020 at 42,3 ft versus Sealine F42 2012 at 42,4 ft. Weight tells a clearer story for trailering families: the Sealine F42 2012 tips the scales at 51 854 lbs — 29 465 lbs less than the Sealine C390v 2020 at 22 389 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 600 hp, the Sealine F42 2012 has a 250-hp advantage over the Sealine C390v 2020's 350-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 F42 2012 carries 317 gallons versus 25 gallons in the Sealine C390v 2020. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 12 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: Performance buyers should lean toward the Sealine F42 2012 and its 600-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Sealine C390v 2020 with its 350-hp rating is the more economical daily driver.
Measurements / Dimensions
Length overall - Detail42.30 ft
Length overall - Detail42.40 ft
Length - Feet42.3
Length - Feet42.4
Length overall - Meters12.89
Length overall - Meters12.92
Length overall - Inches508
Length overall - Inches509
Beam12.80 ft
Beam14.60 ft
Beam - Meters3.9
Beam - Meters4.45
Beam - Inches154
Beam - Inches175
Draft [max] - Detail3.20 ft
Draft [max] - Detail3.70 ft
Draft [max] - Meters0.98
Draft [max] - Meters1.13
Draft [max] - Inches38
Draft [max] - Inches44
Displacement22389.00 lbs
Displacement51854.00 lbs
Engine and Drivetrain
Fuel tank capacity - Gal25
Fuel tank capacity - Gal317
Fuel tank capacity - Liters946.35
Fuel tank capacity - Liters1199.97
Engine makeSuzuki
Engine makeVolvo Penta
Horsepower350 hp
Horsepower600 hp
Fuel typeDiesel
Fuel typeDiesel
Drive typeoutboard
Drive typeinboard
Engine 2 Engine MakeSuzuki
Engine 2 Engine MakeVolvo Penta
Engine 2 Horsepower350 hp
Engine 2 Horsepower600 hp
Engine 2 Fuel TypeDiesel
Engine 2 Fuel TypeDiesel
Engine 2 Drive Typeoutboard
Engine 2 Drive Typeinboard
Engine modelnot available
Engine modelIPS 6
Engine 2 Engine Modelnot available
Engine 2 Engine ModelIPS 6
Performance
Maximum speed32
Maximum speednot available
Maximum speed measureknots
Maximum speed measurenot available
Operational Info
Sleeping capacity4
Sleeping capacity2
Cabins2
Cabins2
Head2
Head1
Water capacity88
Water capacity118.8
Boat typePower
Boat typePower

Sealine C390v 2020 vs Sealine F42 2012 — Common Questions

Which is the larger boat — the Sealine C390v 2020 or the Sealine F42 2012?
The Sealine F42 2012 is the longer of the two at 42,4 feet overall. The Sealine C390v 2020 comes in at 42,3 feet, making it roughly 0,1 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Sealine C390v 2020 or the Sealine F42 2012?
For trailering, the Sealine C390v 2020 has the edge at 22 389 lbs dry weight versus 51 854 lbs for the Sealine F42 2012. 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 F42 2012 is rated to a maximum of 600 hp, giving it the larger power ceiling. The Sealine C390v 2020 tops out at 350 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 C390v 2020 is Coast Guard rated for 12 passengers, while the Sealine F42 2012 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 Sealine F42 2012 measures 175" wide, compared to 154" for the Sealine C390v 2020. 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 C390v 2020 or the Sealine F42 2012?
The Sealine F42 2012 has the bigger tank at 317 gallons, versus 25 gallons on the Sealine C390v 2020. That 292-gallon difference translates to roughly 876–1460 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Sealine C390v 2020 and Sealine F42 2012 from the same manufacturer?
Yes — both the Sealine C390v 2020 and the Sealine F42 2012 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.