Sealine SC38 2007 vs Sealine SC42 2011 - Boat Spec Comparison

Q: Which is the larger boat — the Sealine SC38 2007 or the Sealine SC42 2011?

The Sealine SC42 2011 is the longer of the two at 42,0 feet overall. The Sealine SC38 2007 comes in at 37,0 feet, making it roughly 5,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which boat can handle a bigger outboard?

The Sealine SC42 2011 is rated to a maximum of 370 hp, giving it the larger power ceiling. The Sealine SC38 2007 tops out at 310 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.

Q: How many people can each boat hold?

The Sealine SC38 2007 is Coast Guard rated for 11 passengers, while the Sealine SC42 2011 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 Sealine SC42 2011 measures 176" wide, compared to 148" for the Sealine SC38 2007. 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 Sealine SC38 2007 or the Sealine SC42 2011?

The Sealine SC42 2011 has the bigger tank at 317 gallons, versus 179 gallons on the Sealine SC38 2007. That 138-gallon difference translates to roughly 414–690 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Q: Are the Sealine SC38 2007 and Sealine SC42 2011 from the same manufacturer?

Yes — both the Sealine SC38 2007 and the Sealine SC42 2011 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.

Boat Comparison

Sealine SC38 2007 vs Sealine SC42 2011

Sealine

Sealine SC38 2007

2007

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Sealine

Sealine SC42 2011

2011

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Detailed Evaluation & Buyer Recommendation

Sealine SC38 2007 vs Sealine SC42 2011 — Same Brand, Different Boat

The Sealine SC38 2007 vs Sealine SC42 2011 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 power gap is worth calling out. Rated to 370 hp, the Sealine SC42 2011 has a 60-hp advantage over the Sealine SC38 2007's 310-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 SC42 2011 carries 317 gallons versus 179 gallons in the Sealine SC38 2007. 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 SC42 2011 is rated for 12 passengers, while the Sealine SC38 2007 caps at 11. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sealine SC42 2011 could be the deciding factor.

Bottom line: Choose the Sealine SC42 2011 if your priority is putting more people on the water — it handles 12 passengers and at 42,0 ft it has the deck room to back that rating up comfortably. The Sealine SC38 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 11 that costs less to run day-to-day.

Measurements / Dimensions

Length overall - Detail37.00 ft

Length overall - Detail42.00 ft

Length - Feet37

Length - Feet42

Length overall - Meters11.28

Length overall - Meters12.8

Length overall - Inches444

Length overall - Inches504

Beam12.30 ft

Beam14.70 ft

Beam - Meters3.75

Beam - Meters4.48

Beam - Inches148

Beam - Inches176

Draft [max] - Detail3.10 ft

Draft [max] - Detail3.70 ft

Draft [max] - Meters0.94

Draft [max] - Meters1.13

Draft [max] - Inches37

Draft [max] - Inches44

Displacementnot available

Displacement24250.00 lbs

Engine and Drivetrain

Fuel tank capacity - Gal179

Fuel tank capacity - Gal317

Fuel tank capacity - Liters677.59

Fuel tank capacity - Liters1199.97

Engine makeVolvo Penta

Engine modelD6-31

Engine modelD6

Horsepower310 hp

Horsepower370 hp

Fuel typeDiesel

Drive typeinboard

Engine 2 Engine MakeVolvo Penta

Engine 2 Engine ModelD6-31

Engine 2 Engine Modelnot available

Engine 2 Horsepower310 hp

Engine 2 Horsepower370 hp

Engine 2 Fuel TypeDiesel

Engine 2 Drive Typeinboard

Performance

Cruising speed32

Cruising speednot available

Cruising speed measureknots

Cruising speed measurenot available

Maximum speed34

Maximum speednot available

Maximum speed measureknots

Maximum speed measurenot available

Operational Info

Sleeping capacity6

Sleeping capacity7

Cabins2

Head1

Head2

Water capacity72.3

Water capacity79.2

Boat typePower

Sealine SC38 2007 vs Sealine SC42 2011 — Common Questions

Which is the larger boat — the Sealine SC38 2007 or the Sealine SC42 2011?

The Sealine SC42 2011 is the longer of the two at 42,0 feet overall. The Sealine SC38 2007 comes in at 37,0 feet, making it roughly 5,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Which boat can handle a bigger outboard?

The Sealine SC42 2011 is rated to a maximum of 370 hp, giving it the larger power ceiling. The Sealine SC38 2007 tops out at 310 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 SC38 2007 is Coast Guard rated for 11 passengers, while the Sealine SC42 2011 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 SC42 2011 measures 176" wide, compared to 148" for the Sealine SC38 2007. 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 SC38 2007 or the Sealine SC42 2011?

The Sealine SC42 2011 has the bigger tank at 317 gallons, versus 179 gallons on the Sealine SC38 2007. That 138-gallon difference translates to roughly 414–690 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Are the Sealine SC38 2007 and Sealine SC42 2011 from the same manufacturer?

Yes — both the Sealine SC38 2007 and the Sealine SC42 2011 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.

← Sealine SC38 2007 full specs ← Sealine SC42 2011 full specs