Chaparral 235 SSi Sportboat 2005 boat specs
Chaparral
Chaparral 235 SSi Sportboat 2005
2005
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VS
Chaparral Signature 290  2011 boat specs
Chaparral
Chaparral Signature 290 2011
2011
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Chaparral 235 SSi Sportboat 2005 vs Chaparral Signature 290 2011 — Same Brand, Different Boat

Matching a modified vee Chaparral 235 SSi Sportboat 2005 against a deep vee Chaparral Signature 290 2011 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.

The power gap is worth calling out. Rated to 450 hp, the Chaparral Signature 290 2011 has a 75-hp advantage over the Chaparral 235 SSi Sportboat 2005's 375-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 235 SSi Sportboat 2005 carries 72 gallons versus 1 gallons in the Chaparral Signature 290 2011. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

The Chaparral 235 SSi Sportboat 2005 is rated for up to 12 people. Passenger data for the Chaparral Signature 290 2011 wasn't available.

Bottom line: Performance buyers should lean toward the Chaparral Signature 290 2011 and its 450-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Chaparral 235 SSi Sportboat 2005 with its 375-hp rating is the more economical daily driver.
General Boat Info
MakeChaparral
MakeChaparral
Model235 SSi Sportboat
ModelSignature 29
Model Year2005
Model Year2011
Measurements / Dimensions
Beam8 ft. 6 in. (2.59 m)
Beam9 ft. 6 in. (2.90 m)
Beam - Meters2.59
Beam - Meters2.9
Beam - Inches102
Beam - Inches114
Bridge clearance - Detail5 ft. 6 in. (1.68 m)
Bridge clearance - DetailWith Arch: 9 ft. 2 in. (2.79 m)Without Arch: 7 ft. 1 in. (2.16 m)
Bridge clearance - Meters1.68
Bridge clearance - Meters2.79
Bridge clearance - Inches66
Bridge clearance - Inches11
Deadrise22℃
Deadrise20℃
Draft [drive up] - Detail17 in. (43 cm)
Draft [drive up] - Detail17 in. (43 cm)
Draft [drive up] meters0.43
Draft [drive up] meters0.43
Draft [drive up] inches17
Draft [drive up] inches17
Draft [max] - Detail36 in. (91 cm)
Draft [max] - Detail33 in. (84 cm)
Draft [max] - Meters0.91
Draft [max] - Meters0.84
Draft [max] - Inches36
Draft [max] - Inches33
Weight - Detail4,510 lbs. (2,046 kg)
Weight - Detail9,100 lbs. (4,128 kg)
Weight - kg2045.7
Weight - kg4127.69
Weight - lbs.451
Weight - lbs.91
Length [over all with swim platform]24 ft. 11 in. (7.59 m)
Length [over all with swim platform]29 ft. (8.84 m)
Length overall - Detail22 ft. 10 in. (6.96 m)
Length overall - Detailnot available
Length overall - Meters6.96
Length overall - Metersnot available
Length overall - Inches274
Length overall - Inchesnot available
Length - Feetnot available
Length - Feet29
Body / Hull
Hull typeModified Vee
Hull typeDeep Vee
Hull materialnot available
Hull materialFiberglass
Engine and Drivetrain
Engine/s standardMercury: 260 hp Volvo: 270 hp
Engine/s standardnot available
Fuel tank capacity - Detail72 gal. (273 l)
Fuel tank capacity - Detail100 gal. (379 l)
Fuel tank capacity - Liters272.55
Fuel tank capacity - Liters378.54
Fuel tank capacity - Gal72
Fuel tank capacity - Gal1
Engine max375 hp (280 kw)
Engine max450 hp (336 kW)
Fuel typenot available
Fuel typeGas or Diesel
Drive typenot available
Drive typeI/O - Twin
Operational Info
Headroom4 ft. 4 in. (1.32 m)
Headroom6 ft. 2 in. (1.88 m)
Sleeping capacity2
Sleeping capacity6
Water capacity10 gal. (38 l)
Water capacity29 gal. (110 l)
Maximum people12
Maximum peopleYacht certified
Holding tank capacity - Detailnot available
Holding tank capacity - Detail28 gal. (106 l)
Holding tank capacity - Litersnot available
Holding tank capacity - Liters105.99
Holding tank capacity - Galnot available
Holding tank capacity - Gal28

Chaparral 235 SSi Sportboat 2005 vs Chaparral Signature 290 2011 — Common Questions

Which is easier to trailer — the Chaparral 235 SSi Sportboat 2005 or the Chaparral Signature 290 2011?
For trailering, the Chaparral Signature 290 2011 has the edge at 91 lbs dry weight versus 451 lbs for the Chaparral 235 SSi Sportboat 2005. 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 Signature 290 2011 is rated to a maximum of 450 hp, giving it the larger power ceiling. The Chaparral 235 SSi Sportboat 2005 tops out at 375 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.
How many passengers can the Chaparral 235 SSi Sportboat 2005 carry?
The Chaparral 235 SSi Sportboat 2005 has an official capacity rating of 12 people. Capacity data wasn't available for the other model in this comparison — verify directly with the dealer.
Which boat is wider, and does it affect trailering?
The Chaparral Signature 290 2011 measures 114" wide, compared to 102" for the Chaparral 235 SSi Sportboat 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 Chaparral 235 SSi Sportboat 2005 or the Chaparral Signature 290 2011?
The Chaparral 235 SSi Sportboat 2005 has the bigger tank at 72 gallons, versus 1 gallons on the Chaparral Signature 290 2011. That 71-gallon difference translates to roughly 213–355 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Chaparral 235 SSi Sportboat 2005 and Chaparral Signature 290 2011 from the same manufacturer?
Yes — both the Chaparral 235 SSi Sportboat 2005 and the Chaparral Signature 290 2011 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.