Marquis Yachts  420 Sport Coupe 2012 boat specs
Marquis Yachts
Marquis Yachts 420 Sport Coupe 2012
2012
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VS
Marquis Yachts  Tri-Deck 2009 boat specs
Marquis Yachts
Marquis Yachts Tri-Deck 2009
2009
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Marquis Yachts 420 Sport Coupe 2012 vs Marquis Yachts Tri-Deck 2009 — Same Brand, Different Boat

The Marquis Yachts 420 Sport Coupe 2012 vs Marquis Yachts Tri-Deck 2009 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 Marquis Yachts Tri-Deck 2009 tops out at 1 676 hp. Engine specs for the Marquis Yachts 420 Sport Coupe 2012 aren't listed — confirm with a dealer before selecting an outboard.

For family outings this is probably the sharpest distinction between the two. The Marquis Yachts Tri-Deck 2009 is rated for 21 passengers, while the Marquis Yachts 420 Sport Coupe 2012 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Marquis Yachts Tri-Deck 2009 could be the deciding factor.

Bottom line: Choose the Marquis Yachts Tri-Deck 2009 if your priority is putting more people on the water — it handles 21 passengers and at 72,0 ft it has the deck room to back that rating up comfortably. The Marquis Yachts 420 Sport Coupe 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.
Measurements / Dimensions
Length overall - Detail42.00 ft
Length overall - Detail72.00 ft
Length - Feet42
Length - Feet72
Length overall - Meters12.8
Length overall - Meters21.95
Length overall - Inches504
Length overall - Inches864
Draft [max] - Detailnot available
Draft [max] - Detail5.50 ft
Draft [max] - Metersnot available
Draft [max] - Meters1.68
Draft [max] - Inchesnot available
Draft [max] - Inches66
Draft Minnot available
Draft Min5.50 ft
Engine and Drivetrain
Engine makeVolvo
Engine makeCaterpillar
Fuel typeDiesel
Fuel typeDiesel
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal33
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters12491.85
Horsepowernot available
Horsepower1676 hp
Drive typenot available
Drive typeinboard
Operational Info
Boat typePower
Boat typePower
Sleeping capacitynot available
Sleeping capacity6
Cabinsnot available
Cabins4
Headnot available
Head3
Water capacitynot available
Water capacity2
Holding tank capacity - Galnot available
Holding tank capacity - Gal153
Holding tank capacity - Litersnot available
Holding tank capacity - Liters579.17

Marquis Yachts 420 Sport Coupe 2012 vs Marquis Yachts Tri-Deck 2009 — Common Questions

Which is the larger boat — the Marquis Yachts 420 Sport Coupe 2012 or the Marquis Yachts Tri-Deck 2009?
The Marquis Yachts Tri-Deck 2009 is the longer of the two at 72,0 feet overall. The Marquis Yachts 420 Sport Coupe 2012 comes in at 42,0 feet, making it roughly 30,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Marquis Yachts Tri-Deck 2009 has a documented max rating of 1 676 hp. Engine specifications for the Marquis Yachts 420 Sport Coupe 2012 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 Marquis Yachts 420 Sport Coupe 2012 is Coast Guard rated for 12 passengers, while the Marquis Yachts Tri-Deck 2009 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.
Are the Marquis Yachts 420 Sport Coupe 2012 and Marquis Yachts Tri-Deck 2009 from the same manufacturer?
Yes — both the Marquis Yachts 420 Sport Coupe 2012 and the Marquis Yachts Tri-Deck 2009 are built by Marquis Yachts. 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.