Four Winns 378 Vista 2007 boat specs
Four Winns
Four Winns 378 Vista 2007
2007
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VS
Four Winns HD5 OB RS 2021 boat specs
Four Winns
Four Winns HD5 OB RS 2021
2021
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Four Winns 378 Vista 2007 vs Four Winns HD5 OB RS 2021 — Same Brand, Different Boat

The Four Winns 378 Vista 2007 vs Four Winns HD5 OB RS 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.

For family outings this is probably the sharpest distinction between the two. The Four Winns 378 Vista 2007 is rated for 12 passengers, while the Four Winns HD5 OB RS 2021 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Four Winns 378 Vista 2007 could be the deciding factor.

Bottom line: Choose the Four Winns 378 Vista 2007 if your priority is putting more people on the water — it handles 12 passengers and at 41,0 ft it has the deck room to back that rating up comfortably. The Four Winns HD5 OB RS 2021 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
MakeFour Winns
Makenot available
Model378 Vista
Modelnot available
Model Year2007
Model Yearnot available
Measurements / Dimensions
Beam12 ft. 9 in. (3.89 m)
Beam8.50 ft
Beam - Meters3.89
Beam - Meters2.59
Beam - Inches153
Beam - Inches102
Deadrise19℃
Deadrisenot available
Draft [max] - DetailStatic: 42 in. (107 cm)
Draft [max] - Detail3.00 ft
Draft [max] - Meters1.07
Draft [max] - Meters0.91
Draft [max] - Inches42
Draft [max] - Inches36
Weight - DetailWith Engine: 18,500-20,800 lbs. (8,390-9,440 kg)
Weight - Detailnot available
Weight - kg9434.71
Weight - kgnot available
Weight - lbs.208
Weight - lbs.not available
Length - Meters12.57
Length - Metersnot available
Length - Feet41
Length - Feet24.4
Length - Inches3
Length - Inchesnot available
Length overall - Detail41 ft. 3 in. (12.57 m)
Length overall - Detail24.40 ft
Length overall - Meters12.57
Length overall - Meters7.44
Length overall - Inches495
Length overall - Inches293
Draft Minnot available
Draft Min1.50 ft
Body / Hull
Hull materialFiberglass
Hull materialnot available
Engine and Drivetrain
Engine/s standardTwin 8.1 Gi 375 hp Volvo Penta
Engine/s standardnot available
Fuel tank capacity - Detail300 gal. (1,136 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters1135.62
Fuel tank capacity - Liters208.2
Fuel tank capacity - Gal3
Fuel tank capacity - Gal55
Fuel typeGas
Fuel typeGas
Drive typeI/O
Drive typenot available
Engine makenot available
Engine makeMercury
Engine modelnot available
Engine model200XL FS DTS
Operational Info
Water capacitynot available
Water capacity12
Boat typenot available
Boat typePower

Four Winns 378 Vista 2007 vs Four Winns HD5 OB RS 2021 — Common Questions

Which is the larger boat — the Four Winns 378 Vista 2007 or the Four Winns HD5 OB RS 2021?
The Four Winns 378 Vista 2007 is the longer of the two at 41,0 feet overall. The Four Winns HD5 OB RS 2021 comes in at 24,4 feet, making it roughly 16,6 ft shorter — a meaningful difference in deck room and overall on-water presence.
How many people can each boat hold?
The Four Winns 378 Vista 2007 is Coast Guard rated for 12 passengers, while the Four Winns HD5 OB RS 2021 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 is wider, and does it affect trailering?
The Four Winns 378 Vista 2007 measures 153" wide, compared to 102" for the Four Winns HD5 OB RS 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 Four Winns 378 Vista 2007 or the Four Winns HD5 OB RS 2021?
The Four Winns HD5 OB RS 2021 has the bigger tank at 55 gallons, versus 3 gallons on the Four Winns 378 Vista 2007. That 52-gallon difference translates to roughly 156–260 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Four Winns 378 Vista 2007 and Four Winns HD5 OB RS 2021 from the same manufacturer?
Yes — both the Four Winns 378 Vista 2007 and the Four Winns HD5 OB RS 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.