Chaparral 236 SSi Sportboat 2005 boat specs
Chaparral
Chaparral 236 SSi Sportboat 2005
2005
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VS
Chaparral Signature 310  2012 boat specs
Chaparral
Chaparral Signature 310 2012
2012
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Chaparral 236 SSi Sportboat 2005 vs Chaparral Signature 310 2012 — Same Brand, Different Boat

The Chaparral 236 SSi Sportboat 2005 vs Chaparral Signature 310 2012 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.

The power gap is worth calling out. Rated to 540 hp, the Chaparral Signature 310 2012 has a 220-hp advantage over the Chaparral 236 SSi Sportboat 2005's 320-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 2012 carries 125 gallons versus 54 gallons in the Chaparral 236 SSi Sportboat 2005. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Bottom line: Performance buyers should lean toward the Chaparral Signature 310 2012 and its 540-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Chaparral 236 SSi Sportboat 2005 with its 320-hp rating is the more economical daily driver.
General Boat Info
MakeChaparral
MakeChaparral
Model236 SSi Sportboat
ModelSignature 31
Model Year2005
Model Year2012
Measurements / Dimensions
Beam8 ft. 6 in. (2.59 m)
Beam10 ft. (3.05 m)
Beam - Meters2.59
Beam - Meters3.05
Beam - Inches102
Beam - Inches12
Deadrise20℃
Deadrise19℃
Weight - Detail4,338 lbs. (1,968 kg)
Weight - Detail10,600 lbs. (4,808 kg)
Weight - kg1967.68
Weight - kg4808.08
Weight - lbs.4338
Weight - lbs.106
Length [over all with swim platform]24 ft. 1 in. (7.34 m)
Length [over all with swim platform]31 ft. (9.45 m)
Bridge clearance - Detailnot available
Bridge clearance - DetailWith Hardtop: 10 ft. 6 in. (3.2 m)
Bridge clearance - Metersnot available
Bridge clearance - Meters3.2
Bridge clearance - Inchesnot available
Bridge clearance - Inches126
Draft [drive up] - Detailnot available
Draft [drive up] - Detail23 in. (58 cm)
Draft [drive up] metersnot available
Draft [drive up] meters0.58
Draft [drive up] inchesnot available
Draft [drive up] inches23
Draft [max] - Detailnot available
Draft [max] - Detail39 in. (99 cm)
Draft [max] - Metersnot available
Draft [max] - Meters0.99
Draft [max] - Inchesnot available
Draft [max] - Inches39
Length - Feetnot available
Length - Feet31
Engine and Drivetrain
Fuel tank capacity - Detail54 gal. (204 l)
Fuel tank capacity - Detail125 gal. (473 l)
Fuel tank capacity - Liters204.41
Fuel tank capacity - Liters473.18
Fuel tank capacity - Gal54
Fuel tank capacity - Gal125
Engine max320 hp (239 kw)
Engine max540 hp (403 kW)
Fuel typenot available
Fuel typeGas or Diesel
Drive typenot available
Drive typeI/O - Twin
Body / Hull
Hull materialnot available
Hull materialFiberglass
Hull typenot available
Hull typeDeep Vee
Operational Info
Headroomnot available
Headroom6 ft. 3 in. (1.91 m)
Sleeping capacitynot available
Sleeping capacity6
Water capacitynot available
Water capacity40 gal. (151 l)
Maximum peoplenot available
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 236 SSi Sportboat 2005 vs Chaparral Signature 310 2012 — Common Questions

Which is easier to trailer — the Chaparral 236 SSi Sportboat 2005 or the Chaparral Signature 310 2012?
For trailering, the Chaparral Signature 310 2012 has the edge at 106 lbs dry weight versus 4 338 lbs for the Chaparral 236 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 310 2012 is rated to a maximum of 540 hp, giving it the larger power ceiling. The Chaparral 236 SSi Sportboat 2005 tops out at 320 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 236 SSi Sportboat 2005 measures 102" wide, compared to 12" for the Chaparral Signature 310 2012. 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 236 SSi Sportboat 2005 or the Chaparral Signature 310 2012?
The Chaparral Signature 310 2012 has the bigger tank at 125 gallons, versus 54 gallons on the Chaparral 236 SSi Sportboat 2005. 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 236 SSi Sportboat 2005 and Chaparral Signature 310 2012 from the same manufacturer?
Yes — both the Chaparral 236 SSi Sportboat 2005 and the Chaparral Signature 310 2012 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.