Prestige Yachts 420 S 2020 boat specs
Prestige
Prestige Yachts 420 S 2020
2020
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VS
Prestige Yachts 680 S Sport 2018 boat specs
Prestige
Prestige Yachts 680 S Sport 2018
2018
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Prestige Yachts 420 S 2020 vs Prestige Yachts 680 S Sport 2018 — Same Brand, Different Boat

The Prestige Yachts 420 S 2020 vs Prestige Yachts 680 S Sport 2018 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 Prestige Yachts 680 S Sport 2018 is rated for 21 passengers, while the Prestige Yachts 420 S 2020 caps at 13. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Prestige Yachts 680 S Sport 2018 could be the deciding factor.

Bottom line: Choose the Prestige Yachts 680 S Sport 2018 if your priority is putting more people on the water — it handles 21 passengers and at 70,2 ft it has the deck room to back that rating up comfortably. The Prestige Yachts 420 S 2020 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 13 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail42.85 ft
Length overall - Detail70.20 ft
Length - Feet42.85
Length - Feet70.2
Length overall - Meters13.06
Length overall - Meters21.4
Length overall - Inches514
Length overall - Inches842
Beam13.45 ft
Beam17.38 ft
Beam - Meters4.1
Beam - Meters5.3
Beam - Inches161
Beam - Inches209
Draft [max] - Detailnot available
Draft [max] - Detail5.18 ft
Draft [max] - Metersnot available
Draft [max] - Meters1.58
Draft [max] - Inchesnot available
Draft [max] - Inches62
Displacementnot available
Displacement90609.99 lbs
Engine and Drivetrain
Fuel tank capacity - Gal257.3
Fuel tank capacity - Gal758.57
Fuel tank capacity - Liters973.99
Fuel tank capacity - Liters2871.5
Engine makeCummins
Engine makeVOLVO PENTA
Drive typeinboard
Drive typeinboard
Engine 2 Engine MakeCummins
Engine 2 Engine MakeVOLVO PENTA
Engine 2 Drive Typeinboard
Engine 2 Drive Typeinboard
Performance
Maximum speed32
Maximum speed30
Maximum speed measureknots
Maximum speed measureknots
Cruising speednot available
Cruising speed25
Cruising speed measurenot available
Cruising speed measureknots
Operational Info
Water capacity93.26
Water capacity202.34
Boat typePower
Boat typePower

Prestige Yachts 420 S 2020 vs Prestige Yachts 680 S Sport 2018 — Common Questions

Which is the larger boat — the Prestige Yachts 420 S 2020 or the Prestige Yachts 680 S Sport 2018?
The Prestige Yachts 680 S Sport 2018 is the longer of the two at 70,2 feet overall. The Prestige Yachts 420 S 2020 comes in at 42,9 feet, making it roughly 27,4 ft shorter — a meaningful difference in deck room and overall on-water presence.
How many people can each boat hold?
The Prestige Yachts 420 S 2020 is Coast Guard rated for 13 passengers, while the Prestige Yachts 680 S Sport 2018 is certified for 21. 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 Prestige Yachts 680 S Sport 2018 measures 209" wide, compared to 161" for the Prestige Yachts 420 S 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 Prestige Yachts 420 S 2020 or the Prestige Yachts 680 S Sport 2018?
The Prestige Yachts 680 S Sport 2018 has the bigger tank at 759 gallons, versus 257 gallons on the Prestige Yachts 420 S 2020. That 501-gallon difference translates to roughly 1503–2506 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Prestige Yachts 420 S 2020 and Prestige Yachts 680 S Sport 2018 from the same manufacturer?
Yes — both the Prestige Yachts 420 S 2020 and the Prestige Yachts 680 S Sport 2018 are built by Prestige. 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.