Four Winns 378 Vista 2004 boat specs
Four Winns
Four Winns 378 Vista 2004
2004
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VS
Four Winns HD2 Surf 2021 boat specs
Four Winns
Four Winns HD2 Surf 2021
2021
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Four Winns 378 Vista 2004 vs Four Winns HD2 Surf 2021 — Same Brand, Different Boat

The Four Winns 378 Vista 2004 vs Four Winns HD2 Surf 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.

The Four Winns HD2 Surf 2021 tops out at 200 hp. Engine specs for the Four Winns 378 Vista 2004 aren't listed — confirm with a dealer before selecting an outboard.Both carry nearly identical fuel loads — 3 gal and 4 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Four Winns 378 Vista 2004 is rated for 12 passengers, while the Four Winns HD2 Surf 2021 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Four Winns 378 Vista 2004 could be the deciding factor.

Bottom line: Choose the Four Winns 378 Vista 2004 if your priority is putting more people on the water — it handles 12 passengers and at 0,0 ft it has the deck room to back that rating up comfortably. The Four Winns HD2 Surf 2021 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.
General Boat Info
MakeFour Winns
Makenot available
Model378 Vista
Modelnot available
Model Year2004
Model Yearnot available
Measurements / Dimensions
Beam12 ft. 9 in
Beam8.50 ft
Beam - Meters3.89
Beam - Meters2.59
Beam - Inches153
Beam - Inches102
Deadrise19℃
Deadrisenot available
Draft [max] - Detail42 in
Draft [max] - Detail3.00 ft
Draft [max] - Meters1.07
Draft [max] - Meters0.91
Draft [max] - Inches42
Draft [max] - Inches36
Weight - Detail18,000-20,000 lbs
Weight - Detailnot available
Weight - kg9071.84
Weight - kgnot available
Weight - lbs.2
Weight - lbs.not available
Height [transom]11 ft. 6 in. w/arch
Height [transom]not available
Length overall - Detail41 ft. 3 in. (with Swim Platform)
Length overall - Detail20.10 ft
Length overall - Meters12.57
Length overall - Meters6.13
Length overall - Inches495
Length overall - Inches241
Length - Feetnot available
Length - Feet20.1
Draft Minnot available
Draft Min2.50 ft
Engine and Drivetrain
Fuel tank capacity - Detail300 gal
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters1135.62
Fuel tank capacity - Liters151.42
Fuel tank capacity - Gal3
Fuel tank capacity - Gal4
Engine makenot available
Engine makeVolvo
Engine modelnot available
Engine modelV6-200C/DI/FWD
Horsepowernot available
Horsepower200 hp
Fuel typenot available
Fuel typeGas
Operational Info
Water capacity66 gal
Water capacitynot available
Maximum capacityYacht
Maximum capacitynot available
Boat typenot available
Boat typePower

Four Winns 378 Vista 2004 vs Four Winns HD2 Surf 2021 — Common Questions

What is the maximum horsepower rating for these boats?
The Four Winns HD2 Surf 2021 has a documented max rating of 200 hp. Engine specifications for the Four Winns 378 Vista 2004 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 Four Winns 378 Vista 2004 is Coast Guard rated for 12 passengers, while the Four Winns HD2 Surf 2021 is certified for 6. 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 Four Winns 378 Vista 2004 measures 153" wide, compared to 102" for the Four Winns HD2 Surf 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.
How do the fuel tanks compare on the Four Winns 378 Vista 2004 and Four Winns HD2 Surf 2021?
Both boats carry similar fuel loads — 3 gallons and 4 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Four Winns 378 Vista 2004 and Four Winns HD2 Surf 2021 from the same manufacturer?
Yes — both the Four Winns 378 Vista 2004 and the Four Winns HD2 Surf 2021 are built by Four Winns. 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.