Bertram Convertible 1985 boat specs
Bertram
Bertram Convertible 1985
1985
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VS
Bertram Sport Fisherman 2007 boat specs
Bertram
Bertram Sport Fisherman 2007
2007
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Bertram Convertible 1985 vs Bertram Sport Fisherman 2007 — Same Brand, Different Boat

The Bertram Convertible 1985 vs Bertram Sport Fisherman 2007 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 Bertram Convertible 1985 carries a rated maximum of 465 hp. Engine data for the Bertram Sport Fisherman 2007 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Bertram Sport Fisherman 2007 carries 15 gallons versus 3 gallons in the Bertram Convertible 1985. 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 Bertram Sport Fisherman 2007 is rated for 17 passengers, while the Bertram Convertible 1985 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Bertram Sport Fisherman 2007 could be the deciding factor.

Bottom line: Choose the Bertram Sport Fisherman 2007 if your priority is putting more people on the water — it handles 17 passengers and at 57,0 ft it has the deck room to back that rating up comfortably. The Bertram Convertible 1985 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 - Detail57.00 ft
Length - Feet42
Length - Feet57
Length overall - Meters12.8
Length overall - Meters17.37
Length overall - Inches504
Length overall - Inches684
Draft [max] - Detailnot available
Draft [max] - Detail5.42 ft
Draft [max] - Metersnot available
Draft [max] - Meters1.65
Draft [max] - Inchesnot available
Draft [max] - Inches65
Engine and Drivetrain
Fuel tank capacity - Gal3
Fuel tank capacity - Gal15
Fuel tank capacity - Liters1135.62
Fuel tank capacity - Liters5678.12
Engine makeDetroit Diesel
Engine make2XCaterpillars
Horsepower465 hp
Horsepowernot available
Fuel typeDiesel
Fuel typeDiesel
Drive typeinboard
Drive typeinboard
Operational Info
Cabins2
Cabins3
Head1
Headnot available
Water capacity15
Water capacity25
Holding tank capacity - Gal4
Holding tank capacity - Gal101
Holding tank capacity - Liters151.42
Holding tank capacity - Liters382.33
Boat typePower
Boat typePower

Bertram Convertible 1985 vs Bertram Sport Fisherman 2007 — Common Questions

Which is the larger boat — the Bertram Convertible 1985 or the Bertram Sport Fisherman 2007?
The Bertram Sport Fisherman 2007 is the longer of the two at 57,0 feet overall. The Bertram Convertible 1985 comes in at 42,0 feet, making it roughly 15,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The Bertram Convertible 1985 has a documented max rating of 465 hp. Engine specifications for the Bertram Sport Fisherman 2007 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 Bertram Convertible 1985 is Coast Guard rated for 12 passengers, while the Bertram Sport Fisherman 2007 is certified for 17. 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 Bertram Convertible 1985 or the Bertram Sport Fisherman 2007?
The Bertram Sport Fisherman 2007 has the bigger tank at 15 gallons, versus 3 gallons on the Bertram Convertible 1985. That 12-gallon difference translates to roughly 36–60 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Bertram Convertible 1985 and Bertram Sport Fisherman 2007 from the same manufacturer?
Yes — both the Bertram Convertible 1985 and the Bertram Sport Fisherman 2007 are built by Bertram. 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.