Bertram 31 Flybridge Cruiser 1974 vs Bertram Rebuild 2020 1970 - Boat Spec Comparison

Q: Which is the larger boat — the Bertram 31 Flybridge Cruiser 1974 or the Bertram Rebuild 2020 1970?

The Bertram Rebuild 2020 1970 is the longer of the two at 31,0 feet overall. The Bertram 31 Flybridge Cruiser 1974 comes in at 31,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: Which boat can handle a bigger outboard?

The Bertram Rebuild 2020 1970 is rated to a maximum of 315 hp, giving it the larger power ceiling. The Bertram 31 Flybridge Cruiser 1974 tops out at 140 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.

Q: How many people can each boat hold?

The Bertram 31 Flybridge Cruiser 1974 is Coast Guard rated for 9 passengers, while the Bertram Rebuild 2020 1970 is certified for 9. 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.

Q: Are the Bertram 31 Flybridge Cruiser 1974 and Bertram Rebuild 2020 1970 from the same manufacturer?

Yes — both the Bertram 31 Flybridge Cruiser 1974 and the Bertram Rebuild 2020 1970 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.

Boat Comparison

Bertram 31 Flybridge Cruiser 1974 vs Bertram Rebuild 2020 1970

Bertram

Bertram 31 Flybridge Cruiser 1974

1974

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Bertram

Bertram Rebuild 2020 1970

1970

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Detailed Evaluation & Buyer Recommendation

Bertram 31 Flybridge Cruiser 1974 vs Bertram Rebuild 2020 1970 — Same Brand, Different Boat

The Bertram 31 Flybridge Cruiser 1974 vs Bertram Rebuild 2020 1970 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 power gap is worth calling out. Rated to 315 hp, the Bertram Rebuild 2020 1970 has a 175-hp advantage over the Bertram 31 Flybridge Cruiser 1974's 140-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

Both boats are rated for 9 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

Bottom line: Performance buyers should lean toward the Bertram Rebuild 2020 1970 and its 315-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Bertram 31 Flybridge Cruiser 1974 with its 140-hp rating is the more economical daily driver.

Measurements / Dimensions

Length overall - Detail31.00 ft

Length - Feet31

Length overall - Meters9.45

Length overall - Inches372

Draft [max] - Detail3.08 ft

Draft [max] - Detailnot available

Draft [max] - Meters0.94

Draft [max] - Metersnot available

Draft [max] - Inches37

Draft [max] - Inchesnot available

Displacement10600.00 lbs

Displacementnot available

Engine and Drivetrain

Fuel tank capacity - Gal225

Fuel tank capacity - Galnot available

Fuel tank capacity - Liters851.72

Fuel tank capacity - Litersnot available

Engine makeDetroit

Engine makeYanmar

Horsepower140 hp

Horsepower315 hp

Fuel typeDiesel

Drive typeinboard

Operational Info

Sleeping capacity2

Sleeping capacitynot available

Cabins1

Cabinsnot available

Head1

Headnot available

Water capacity18

Water capacitynot available

Holding tank capacity - Gal1

Holding tank capacity - Galnot available

Holding tank capacity - Liters3.79

Holding tank capacity - Litersnot available

Boat typePower

Bertram 31 Flybridge Cruiser 1974 vs Bertram Rebuild 2020 1970 — Common Questions

Which is the larger boat — the Bertram 31 Flybridge Cruiser 1974 or the Bertram Rebuild 2020 1970?

The Bertram Rebuild 2020 1970 is the longer of the two at 31,0 feet overall. The Bertram 31 Flybridge Cruiser 1974 comes in at 31,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Which boat can handle a bigger outboard?

The Bertram Rebuild 2020 1970 is rated to a maximum of 315 hp, giving it the larger power ceiling. The Bertram 31 Flybridge Cruiser 1974 tops out at 140 hp. Keep in mind that maximum ratings are just that — matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.

How many people can each boat hold?

The Bertram 31 Flybridge Cruiser 1974 is Coast Guard rated for 9 passengers, while the Bertram Rebuild 2020 1970 is certified for 9. 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 Bertram 31 Flybridge Cruiser 1974 and Bertram Rebuild 2020 1970 from the same manufacturer?

Yes — both the Bertram 31 Flybridge Cruiser 1974 and the Bertram Rebuild 2020 1970 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.

← Bertram 31 Flybridge Cruiser 1974 full specs ← Bertram Rebuild 2020 1970 full specs