Prestige Yachts 450 Fly Flybridge 2017 boat specs
Prestige
Prestige Yachts 450 Fly Flybridge 2017
2017
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VS
Prestige Yachts X70 2021 boat specs
Prestige
Prestige Yachts X70 2021
2021
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Prestige Yachts 450 Fly Flybridge 2017 vs Prestige Yachts X70 2021 — Same Brand, Different Boat

The Prestige Yachts 450 Fly Flybridge 2017 vs Prestige Yachts X70 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 Prestige Yachts 450 Fly Flybridge 2017 carries a rated maximum of 435 hp. Engine data for the Prestige Yachts X70 2021 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Prestige Yachts X70 2021 carries 1 057 gallons versus 159 gallons in the Prestige Yachts 450 Fly Flybridge 2017. 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 Prestige Yachts X70 2021 is rated for 21 passengers, while the Prestige Yachts 450 Fly Flybridge 2017 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 X70 2021 could be the deciding factor.

Bottom line: Choose the Prestige Yachts X70 2021 if your priority is putting more people on the water — it handles 21 passengers and at 71,6 ft it has the deck room to back that rating up comfortably. The Prestige Yachts 450 Fly Flybridge 2017 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 - Detail45.90 ft
Length overall - Detail71.58 ft
Length - Feet45.9
Length - Feet71.58
Length overall - Meters13.99
Length overall - Meters21.82
Length overall - Inches551
Length overall - Inches859
Beam14.10 ft
Beamnot available
Beam - Meters4.3
Beam - Metersnot available
Beam - Inches169
Beam - Inchesnot available
Draft [max] - Detailnot available
Draft [max] - Detail5.58 ft
Draft [max] - Metersnot available
Draft [max] - Meters1.7
Draft [max] - Inchesnot available
Draft [max] - Inches67
Engine and Drivetrain
Fuel tank capacity - Gal158.5
Fuel tank capacity - Gal1057
Fuel tank capacity - Liters599.99
Fuel tank capacity - Liters4001.18
Engine makeVOLVO PENTA
Engine makenot available
Horsepower435 hp
Horsepowernot available
Drive typeinboard
Drive typenot available
Engine 2 Engine MakeVOLVO PENTA
Engine 2 Engine Makenot available
Engine 2 Horsepower435 hp
Engine 2 Horsepowernot available
Engine 2 Drive Typeinboard
Engine 2 Drive Typenot available
Performance
Cruising speed24
Cruising speednot available
Cruising speed measureknots
Cruising speed measurenot available
Maximum speed33
Maximum speednot available
Maximum speed measureknots
Maximum speed measurenot available
Operational Info
Water capacity137
Water capacity201
Boat typePower
Boat typePower
Holding tank capacity - Galnot available
Holding tank capacity - Gal77
Holding tank capacity - Litersnot available
Holding tank capacity - Liters291.48

Prestige Yachts 450 Fly Flybridge 2017 vs Prestige Yachts X70 2021 — Common Questions

Which is the larger boat — the Prestige Yachts 450 Fly Flybridge 2017 or the Prestige Yachts X70 2021?
The Prestige Yachts X70 2021 is the longer of the two at 71,6 feet overall. The Prestige Yachts 450 Fly Flybridge 2017 comes in at 45,9 feet, making it roughly 25,7 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Prestige Yachts 450 Fly Flybridge 2017 has a documented max rating of 435 hp. Engine specifications for the Prestige Yachts X70 2021 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 Prestige Yachts 450 Fly Flybridge 2017 is Coast Guard rated for 13 passengers, while the Prestige Yachts X70 2021 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 has the larger fuel tank — the Prestige Yachts 450 Fly Flybridge 2017 or the Prestige Yachts X70 2021?
The Prestige Yachts X70 2021 has the bigger tank at 1 057 gallons, versus 159 gallons on the Prestige Yachts 450 Fly Flybridge 2017. That 898-gallon difference translates to roughly 2695–4492 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Prestige Yachts 450 Fly Flybridge 2017 and Prestige Yachts X70 2021 from the same manufacturer?
Yes — both the Prestige Yachts 450 Fly Flybridge 2017 and the Prestige Yachts X70 2021 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.