The Bertram 31 Flybridge Cruiser 1974 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 31 Flybridge Cruiser 1974 carries a rated maximum of 140 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 31 Flybridge Cruiser 1974 carries 225 gallons versus 15 gallons in the Bertram Sport Fisherman 2007. 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 31 Flybridge Cruiser 1974 caps at 9. 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 31 Flybridge Cruiser 1974 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 9 that costs less to run day-to-day.