Chaparral 275 SSi Sportboat 2007 boat specs
Chaparral
Chaparral 275 SSi Sportboat 2007
2007
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VS
Chaparral Signature 310  2010 boat specs
Chaparral
Chaparral Signature 310 2010
2010
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Chaparral 275 SSi Sportboat 2007 vs Chaparral Signature 310 2010 — Same Brand, Different Boat

Matching a modified vee Chaparral 275 SSi Sportboat 2007 against a deep vee Chaparral Signature 310 2010 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

On paper these two are close siblings in the size department — Chaparral 275 SSi Sportboat 2007 at 28,0 ft versus Chaparral Signature 310 2010 at 31,0 ft. At 73 lbs and 106 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.

The power gap is worth calling out. Rated to 525 hp, the Chaparral 275 SSi Sportboat 2007 has a 255-hp advantage over the Chaparral Signature 310 2010's 270-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Chaparral Signature 310 2010 carries 125 gallons versus 105 gallons in the Chaparral 275 SSi Sportboat 2007. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Bottom line: The Chaparral Signature 310 2010 at 31,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Chaparral 275 SSi Sportboat 2007 at 28,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.
General Boat Info
MakeChaparral
MakeChaparral
Model275 SSi Sportboat
ModelSignature 31
Model Year2007
Model Year201
Measurements / Dimensions
Beam9 ft. 0 in. (2.74 m)
Beam10 ft. (3.50 m)
Beam - Meters2.74
Beam - Meters3.05
Beam - Inches108
Beam - Inches12
Bridge clearance - DetailWith Arch: 8 ft. 11 in. (2.72 m) Without Arch: 6 ft. 2 in. (1.88 m)
Bridge clearance - DetailWith Hardtop: 10 ft. 6 in. (3.2 m)
Bridge clearance - Meters2.72
Bridge clearance - Meters3.2
Bridge clearance - Inches107
Bridge clearance - Inches126
Deadrise22℃
Deadrise19℃
Draft [drive up] - Detail20 in. (51 cm)
Draft [drive up] - Detail23 in. (58 cm)
Draft [drive up] meters0.51
Draft [drive up] meters0.58
Draft [drive up] inches2
Draft [drive up] inches23
Draft [max] - Detail35 in. (89 cm)
Draft [max] - Detail39 in. (99 cm)
Draft [max] - Meters0.89
Draft [max] - Meters0.99
Draft [max] - Inches35
Draft [max] - Inches39
Weight - Detail7,300 lbs. (3,311 kg)
Weight - Detail10,600 lbs. (4,808 kg)
Weight - kg3311.22
Weight - kg4808.08
Weight - lbs.73
Weight - lbs.106
Length - Meters8.79
Length - Metersnot available
Length - Feet28
Length - Feet31
Length - Inches1
Length - Inchesnot available
Length [over all with swim platform]28 ft. 10 in. (8.79 m)
Length [over all with swim platform]31 ft. (9.45 m)
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeModified Vee
Hull typeDeep Vee
Engine and Drivetrain
Engine/s standardVolvo 5.7L 280 hp DP
Engine/s standardnot available
Fuel tank capacity - Detail105 gal. (397 l)
Fuel tank capacity - Detail125 gal. (473 l)
Fuel tank capacity - Liters397.47
Fuel tank capacity - Liters473.18
Fuel tank capacity - Gal105
Fuel tank capacity - Gal125
Fuel typeGas
Fuel typeGas or Diesel
Drive typeI/O
Drive typeI/O - Twin
Engine max525 hp (391 kW)
Engine maxTwin 270 hp (201 kW)
Operational Info
Headroom5 ft. 3 in. (1.6 m)
Headroom6 ft. 3 in. (1.981m)
Sleeping capacity2
Sleeping capacity6
Water capacity13.5 gal. (51 l)
Water capacity40 gal. (151 l)
Holding tank capacity - Detail3.8 gal. (14 l) With Optional VacuFlush: 6.5 gal. (25 l)
Holding tank capacity - Detail28 gal. (106 l)
Holding tank capacity - Liters26.5
Holding tank capacity - Liters105.99
Holding tank capacity - Gal6.5
Holding tank capacity - Gal28
Maximum peoplenot available
Maximum peopleYacht certified

Chaparral 275 SSi Sportboat 2007 vs Chaparral Signature 310 2010 — Common Questions

Which is the larger boat — the Chaparral 275 SSi Sportboat 2007 or the Chaparral Signature 310 2010?
The Chaparral Signature 310 2010 is the longer of the two at 31,0 feet overall. The Chaparral 275 SSi Sportboat 2007 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 Chaparral 275 SSi Sportboat 2007 or the Chaparral Signature 310 2010?
For trailering, the Chaparral 275 SSi Sportboat 2007 has the edge at 73 lbs dry weight versus 106 lbs for the Chaparral Signature 310 2010. 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.
Which boat can handle a bigger outboard?
The Chaparral 275 SSi Sportboat 2007 is rated to a maximum of 525 hp, giving it the larger power ceiling. The Chaparral Signature 310 2010 tops out at 270 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.
Which boat is wider, and does it affect trailering?
The Chaparral 275 SSi Sportboat 2007 measures 108" wide, compared to 12" for the Chaparral Signature 310 2010. 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 Chaparral 275 SSi Sportboat 2007 or the Chaparral Signature 310 2010?
The Chaparral Signature 310 2010 has the bigger tank at 125 gallons, versus 105 gallons on the Chaparral 275 SSi Sportboat 2007. That 20-gallon difference translates to roughly 60–100 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Chaparral 275 SSi Sportboat 2007 and Chaparral Signature 310 2010 from the same manufacturer?
Yes — both the Chaparral 275 SSi Sportboat 2007 and the Chaparral Signature 310 2010 are built by Chaparral. 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.