2004 Sea Ray 280 Model & Specs

Specifications

  • Make / Model: 2004 Sea Ray 280 Sundancer
  • Type: Express cruiser
  • Length Overall (LOA): approximately 31 ft
  • Hull Length: approximately 28 to 28.5 ft
  • Beam: 9 ft 5 in
  • Draft: approximately 1 ft 10 in (drives up)
  • Draft: approximately 3 ft 3 in (drives down)
  • Dry Weight: approximately 8500 lbs
  • Deadrise: approximately 21 degrees
  • Bridge Clearance: 7 ft 6 in
  • Hull Material: fiberglass
  • Hull Type: modified-V
  • Engine Hours: approximately 980 hours

Power and Performance

  • Engines: twin MerCruiser 5.0L MPI
  • Horsepower: approximately 260 HP each
  • Drives: Bravo III sterndrives

Most Efficient Planing Cruise:
Approximately 38 to 44 km/h at 3200 to 3400 RPM
Estimated fuel consumption: 55 to 65 L/hour total
Estimated efficiency: approximately 1.3 to 1.6 L/km
Estimated cost: approximately $2.94 to $3.62 per km
Estimated cost: approximately $124 to $147 per hour

Minimum Planing Speed (just on plane):
Approximately 30 to 34 km/h at 2800 to 3000 RPM
Estimated fuel consumption: 45 to 55 L/hour
Estimated efficiency: approximately 1.4 to 1.8 L/km
Estimated cost: approximately $3.16 to $4.07 per km
Estimated cost: approximately $102 to $124 per hour

Most Efficient Slow Cruising Speed (displacement):
Approximately 8 to 10 km/h at 900 to 1100 RPM
Estimated fuel consumption: 6 to 10 L/hour total
Estimated efficiency: approximately 0.6 to 1.2 L/km
Estimated cost: approximately $1.36 to $2.71 per km
Estimated cost: approximately $14 to $23 per hour

Typical Canal Cruising:
Approximately 8 km/h at idle to low RPM
Very low fuel consumption and minimal wake, ideal for the Rideau system

Twin engines provide strong low-speed control for docking and locks, while allowing the boat to transition easily to efficient planing speeds when needed.

*Fuel cost estimates based on $2.26 per litre.


Tank Capacities

  • Fuel Capacity: approximately 378 L
  • Fresh Water Capacity: approximately 106 L
  • Holding Tank: approximately 106 L

Actual operating weight and fuel consumption will vary depending on load, water conditions, and how the boat is operated.


Layout and Comfort

  • Sleeping Capacity: typically 4 to 6 people
  • Forward Berth: V-berth seating and sleeping area
  • Mid-Cabin: separate aft sleeping space
  • Galley: fridge, stove, and microwave
  • Head: enclosed head with shower

The cockpit includes generous seating, a wet bar, and easy access to the swim platform, making it well suited for relaxing at anchor or at the dock.


Onboard Features

  • Air Conditioning and Heat: 10,000 BTU
  • Generator
  • Shore Power
  • Wet Bar
  • Swim Platform
  • Windlass (anchor system)
  • VacuFlush Head
  • Windshield Walk-Through
  • Chartplotter: Lowrance HDS Gen 2