Champion Boats 20 Sea 2008 boat specs
Champion Boats
Champion Boats 20 Sea 2008
2008
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VS
Champion Boats 21 SX 2007 boat specs
Champion Boats
Champion Boats 21 SX 2007
2007
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Champion Boats 20 Sea 2008 vs Champion Boats 21 SX 2007 — Same Brand, Different Boat

The Champion Boats 20 Sea 2008 vs Champion Boats 21 SX 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.

On paper these two are close siblings in the size department — Champion Boats 20 Sea 2008 at 2,0 ft versus Champion Boats 21 SX 2007 at 2,0 ft. At 2 lbs and 22 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 300 hp, the Champion Boats 21 SX 2007 has a 100-hp advantage over the Champion Boats 20 Sea 2008's 200-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 2008 carries 52 gallons versus 5 gallons in the Champion Boats 21 SX 2007. 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 20 Sea 2008 comes in at 0 lbs per hp versus 0 lbs per hp for the Champion Boats 21 SX 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: Performance buyers should lean toward the Champion Boats 21 SX 2007 and its 300-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Champion Boats 20 Sea 2008 with its 200-hp rating is the more economical daily driver.
General Boat Info
MakeChampion Boats
MakeChampion Boats
Model20 Sea
Model21 SX
Model Year2008
Model Year2007
Measurements / Dimensions
Beam8 ft. 6 in
Beam95 in
Beam - Meters2.59
Beam - Meters2.41
Beam - Inches102
Beam - Inches95
Weight - Detail2,000 lbs
Weight - Detail2,200 lbs
Weight - kg907.18
Weight - kg997.9
Weight - lbs.2
Weight - lbs.22
Length - Feet2
Length - Feet2
Length - Inches6
Length - Inches8
Length overall - Detail20 ft. 6 in
Length overall - Detail20 ft. 8 in
Length overall - Meters6.25
Length overall - Meters6.3
Length overall - Inches246
Length overall - Inches248
Body / Hull
Hull materialComposite
Hull materialFiberglass
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Engine/s standardMercury 115EXLPT OPTI
Engine/s standardYamaha VZ200TLR
Fuel tank capacity - Detail52 gal
Fuel tank capacity - Detail50 gal
Fuel tank capacity - Liters196.84
Fuel tank capacity - Liters189.27
Fuel tank capacity - Gal52
Fuel tank capacity - Gal5
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeOutboard
Engine max200 hp
Engine max300 hp
Operational Info
Maximum people5 @ 864 lbs
Maximum people5 @ 870 lbs
Trailer Info
Trailer - Length over all23 ft. 5 in
Trailer - Length over all24 ft. 7 in. with swing-away tongue
Trailer - Width9 ft. 0 in
Trailer - Widthnot available

Champion Boats 20 Sea 2008 vs Champion Boats 21 SX 2007 — Common Questions

Which is the larger boat — the Champion Boats 20 Sea 2008 or the Champion Boats 21 SX 2007?
The Champion Boats 21 SX 2007 is the longer of the two at 2,0 feet overall. The Champion Boats 20 Sea 2008 comes in at 2,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Champion Boats 20 Sea 2008 or the Champion Boats 21 SX 2007?
For trailering, the Champion Boats 20 Sea 2008 has the edge at 2 lbs dry weight versus 22 lbs for the Champion Boats 21 SX 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 21 SX 2007 is rated to a maximum of 300 hp, giving it the larger power ceiling. The Champion Boats 20 Sea 2008 tops out at 200 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 20 Sea 2008 is Coast Guard rated for 5 passengers, while the Champion Boats 21 SX 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 20 Sea 2008 has a better power-to-weight ratio at 0 lbs per hp compared to 0 lbs per hp for the Champion Boats 21 SX 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 2008 measures 102" wide, compared to 95" for the Champion Boats 21 SX 2007. 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 20 Sea 2008 or the Champion Boats 21 SX 2007?
The Champion Boats 20 Sea 2008 has the bigger tank at 52 gallons, versus 5 gallons on the Champion Boats 21 SX 2007. That 47-gallon difference translates to roughly 141–235 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Champion Boats 20 Sea 2008 and Champion Boats 21 SX 2007 from the same manufacturer?
Yes — both the Champion Boats 20 Sea 2008 and the Champion Boats 21 SX 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.