Formula 280 Bowrider 2005 boat specs
Formula
Formula 280 Bowrider 2005
2005
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VS
Formula 31 Cruiser 2009 boat specs
Formula
Formula 31 Cruiser 2009
2009
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Formula 280 Bowrider 2005 vs Formula 31 Cruiser 2009 — Same Brand, Different Boat

The Formula 280 Bowrider 2005 vs Formula 31 Cruiser 2009 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.

On paper these two are close siblings in the size department — Formula 280 Bowrider 2005 at 28,0 ft versus Formula 31 Cruiser 2009 at 31,0 ft. At 73 lbs and 141 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

For family outings this is probably the sharpest distinction between the two. The Formula 31 Cruiser 2009 is rated for 9 passengers, while the Formula 280 Bowrider 2005 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Formula 31 Cruiser 2009 could be the deciding factor.

Bottom line: Choose the Formula 31 Cruiser 2009 if your priority is putting more people on the water — it handles 9 passengers and at 31,0 ft it has the deck room to back that rating up comfortably. The Formula 280 Bowrider 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.
General Boat Info
MakeFormula
MakeFormula
Model280 Bowrider
Model31 Cruiser
Model Year2005
Model Year2009
Measurements / Dimensions
Beam9 ft. 2 in. (2.79 m)
Beam11 ft. 0 in. (3.35 m)
Beam - Meters2.79
Beam - Meters3.35
Beam - Inches11
Beam - Inches132
Bridge clearance - DetailLight Load: 5 ft. 8 in. (1.72 m) Light Load w/Arch: 8 ft. 6 in. (2.59 m)
Bridge clearance - Detail10 ft. 4 in. (3.15 m)
Bridge clearance - Meters2.59
Bridge clearance - Meters3.15
Bridge clearance - Inches102
Bridge clearance - Inches124
Deadrise21℃
Deadrise18℃
Draft [max] - Detail36 in. (.91 m)
Draft [max] - Detail34 in. (0.86 m)
Draft [max] - Meters0.91
Draft [max] - Meters0.86
Draft [max] - Inches36
Draft [max] - Inches34
Weight - DetailSingle: 6,100 lbs. (2,767 kg) Twin: 7,300 lbs. (3,311 kg)
Weight - Detail14,100 lbs. (6,396 kg)
Weight - kg3311.22
Weight - kg6395.65
Weight - lbs.73
Weight - lbs.141
Length - Meters8.53
Length - Meters9.65
Length - Feet28
Length - Feet31
Length [over all with swim platform]30 ft. 0 in. (9.14 m)
Length [over all with swim platform]33 ft. 1 in. (10.08 m)
Length overall - Detail28 ft. 0 in. (8.53 m)
Length overall - Detail31 ft. 8 in. (9.65 m)
Length overall - Meters8.53
Length overall - Meters9.65
Length overall - Inches336
Length overall - Inches38
Length - Inchesnot available
Length - Inches8
Engine and Drivetrain
Engine/s standardVolvo Penta Single 8.1 Gi DP w/CWC
Engine/s standardVolvo Penta twin 5.7 GXi DP
Fuel tank capacity - Detail120 gal. (454 l)
Fuel tank capacity - Detail180 gal. (681 l)
Fuel tank capacity - Liters454.25
Fuel tank capacity - Liters681.37
Fuel tank capacity - Gal12
Fuel tank capacity - Gal18
Drive typeInboard
Drive typeInboard
Max no of enginesnot available
Max no of engines2
Fuel typenot available
Fuel typeGas or Diesel
Operational Info
Water capacity20 gal. (76 l)
Water capacity50 gal. (189 l)
Holding tank capacity - DetailSingle: 26 gal. (98 l) Twin: 2.6 gal. (9.8 l)
Holding tank capacity - Detail40 gal. (151 l)
Holding tank capacity - Liters98.42
Holding tank capacity - Liters151.42
Holding tank capacity - Gal26
Holding tank capacity - Gal4
Headroomnot available
Headroom6 ft. 4 in. (1.93 m)
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeDeep Vee

Formula 280 Bowrider 2005 vs Formula 31 Cruiser 2009 — Common Questions

Which is the larger boat — the Formula 280 Bowrider 2005 or the Formula 31 Cruiser 2009?
The Formula 31 Cruiser 2009 is the longer of the two at 31,0 feet overall. The Formula 280 Bowrider 2005 comes in at 28,0 feet, making it roughly 3,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Formula 280 Bowrider 2005 or the Formula 31 Cruiser 2009?
For trailering, the Formula 280 Bowrider 2005 has the edge at 73 lbs dry weight versus 141 lbs for the Formula 31 Cruiser 2009. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
How many people can each boat hold?
The Formula 280 Bowrider 2005 is Coast Guard rated for 8 passengers, while the Formula 31 Cruiser 2009 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.
Which boat is wider, and does it affect trailering?
The Formula 31 Cruiser 2009 measures 132" wide, compared to 11" for the Formula 280 Bowrider 2005. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Which boat has the larger fuel tank — the Formula 280 Bowrider 2005 or the Formula 31 Cruiser 2009?
The Formula 31 Cruiser 2009 has the bigger tank at 18 gallons, versus 12 gallons on the Formula 280 Bowrider 2005. That 6-gallon difference translates to roughly 18–30 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Formula 280 Bowrider 2005 and Formula 31 Cruiser 2009 from the same manufacturer?
Yes — both the Formula 280 Bowrider 2005 and the Formula 31 Cruiser 2009 are built by Formula. 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.