The Baja Marine 340 Sportfish 2005 vs Baja Marine 405 Performance 2006 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.
Size is the most obvious dividing line here. The Baja Marine 405 Performance 2006 measures 39,0 feet overall (2006), giving it roughly 5,0 additional feet of deck space compared to the Baja Marine 340 Sportfish 2005 at 34,0 feet (2005). Weight tells a clearer story for trailering families: the Baja Marine 405 Performance 2006 tips the scales at 10 100 lbs - 4 000 lbs less than the Baja Marine 340 Sportfish 2005 at 6 100 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
The Baja Marine 340 Sportfish 2005 carries a rated maximum of 300 hp. Engine data for the Baja Marine 405 Performance 2006 wasn't available in our records - check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Baja Marine 340 Sportfish 2005 carries 272 gallons versus 230 gallons in the Baja Marine 405 Performance 2006. 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 Baja Marine 405 Performance 2006 is rated for 12 passengers, while the Baja Marine 340 Sportfish 2005 caps at 10. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Baja Marine 405 Performance 2006 could be the deciding factor.
Bottom line: Choose the Baja Marine 405 Performance 2006 if your priority is putting more people on the water - it handles 12 passengers and at 39,0 ft it has the deck room to back that rating up comfortably. The Baja Marine 340 Sportfish 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 10 that costs less to run day-to-day.