Champion Boats 183 CX 2008 boat specs
Champion Boats
Champion Boats 183 CX 2008
2008
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VS
Champion Boats 20 Sea Champ 2007 boat specs
Champion Boats
Champion Boats 20 Sea Champ 2007
2007
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Champion Boats 183 CX 2008 vs Champion Boats 20 Sea Champ 2007 — Same Brand, Different Boat

The Champion Boats 183 CX 2008 vs Champion Boats 20 Sea Champ 2007 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.

Size is the most obvious dividing line here. The Champion Boats 183 CX 2008 measures 18,0 feet overall (2008), giving it roughly 16,0 additional feet of deck space compared to the Champion Boats 20 Sea Champ 2007 at 2,0 feet (2007). Weight tells a clearer story for trailering families: the Champion Boats 20 Sea Champ 2007 tips the scales at 192 lbs — 175 lbs less than the Champion Boats 183 CX 2008 at 17 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The power gap is worth calling out. Rated to 200 hp, the Champion Boats 20 Sea Champ 2007 has a 50-hp advantage over the Champion Boats 183 CX 2008's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Champion Boats 20 Sea Champ 2007 carries 52 gallons versus 4 gallons in the Champion Boats 183 CX 2008. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 5 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.

At this size, power-to-weight ratio matters more than outright horsepower. The Champion Boats 183 CX 2008 comes in at 0 lbs per hp versus 1 lbs per hp for the Champion Boats 20 Sea Champ 2007. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.

Bottom line: The Champion Boats 183 CX 2008 at 18,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Champion Boats 20 Sea Champ 2007 at 2,0 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
MakeChampion Boats
MakeChampion Boats
Model183 CX
Model20 Sea Champ
Model Year2008
Model Year2007
Measurements / Dimensions
Beam7 ft. 9 in
Beam102 in
Beam - Meters2.36
Beam - Meters2.59
Beam - Inches93
Beam - Inches102
Weight - Detail1,700 lbs
Weight - Detail1,920 lbs
Weight - kg771.11
Weight - kg870.9
Weight - lbs.17
Weight - lbs.192
Length - Feet18
Length - Feet2
Length - Inches3
Length - Inches6
Length overall - Detail18 ft. 3 in
Length overall - Detail20 ft. 6 in
Length overall - Meters5.56
Length overall - Meters6.25
Length overall - Inches219
Length overall - Inches246
Body / Hull
Hull materialComposite
Hull materialFiberglass
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Engine/s standardYamaha 115TLR
Engine/s standardMercury 115EXLPT OPTI
Fuel tank capacity - Detail40 gal
Fuel tank capacity - Detail52 gal
Fuel tank capacity - Liters151.42
Fuel tank capacity - Liters196.84
Fuel tank capacity - Gal4
Fuel tank capacity - Gal52
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max150 hp
Engine max200 hp
Operational Info
Maximum people5 @ 750 lbs
Maximum people5 @ 864 lbs
Trailer Info
Trailer - Length over all22 ft. 1 in. with swing tongue
Trailer - Length over all23 ft. 5 in
Trailer - Width8 ft. 7 in
Trailer - Widthnot available

Champion Boats 183 CX 2008 vs Champion Boats 20 Sea Champ 2007 — Common Questions

Which is the larger boat — the Champion Boats 183 CX 2008 or the Champion Boats 20 Sea Champ 2007?
The Champion Boats 183 CX 2008 is the longer of the two at 18,0 feet overall. The Champion Boats 20 Sea Champ 2007 comes in at 2,0 feet, making it roughly 16,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Champion Boats 183 CX 2008 or the Champion Boats 20 Sea Champ 2007?
For trailering, the Champion Boats 183 CX 2008 has the edge at 17 lbs dry weight versus 192 lbs for the Champion Boats 20 Sea Champ 2007. 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 Champion Boats 20 Sea Champ 2007 is rated to a maximum of 200 hp, giving it the larger power ceiling. The Champion Boats 183 CX 2008 tops out at 150 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 people can each boat hold?
The Champion Boats 183 CX 2008 is Coast Guard rated for 5 passengers, while the Champion Boats 20 Sea Champ 2007 is certified for 5. 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 has the better power-to-weight ratio?
The Champion Boats 183 CX 2008 has a better power-to-weight ratio at 0 lbs per hp compared to 1 lbs per hp for the Champion Boats 20 Sea Champ 2007. A lower number means quicker acceleration and faster time to plane — the number that actually matters most on short, sporty boats like these.
Which boat is wider, and does it affect trailering?
The Champion Boats 20 Sea Champ 2007 measures 102" wide, compared to 93" for the Champion Boats 183 CX 2008. 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 Champion Boats 183 CX 2008 or the Champion Boats 20 Sea Champ 2007?
The Champion Boats 20 Sea Champ 2007 has the bigger tank at 52 gallons, versus 4 gallons on the Champion Boats 183 CX 2008. That 48-gallon difference translates to roughly 144–240 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Champion Boats 183 CX 2008 and Champion Boats 20 Sea Champ 2007 from the same manufacturer?
Yes — both the Champion Boats 183 CX 2008 and the Champion Boats 20 Sea Champ 2007 are built by Champion Boats. 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.