Xpress Super Sport - XP21SS 2008 boat specs
Xpress
Xpress Super Sport - XP21SS 2008
2008
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VS
Xpress XP18 2011 boat specs
Xpress
Xpress XP18 2011
2011
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Xpress Super Sport - XP21SS 2008 vs Xpress XP18 2011 — Same Brand, Different Boat

Matching a pontoon Xpress Super Sport - XP21SS 2008 against a modified vee Xpress XP18 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.

On paper these two are close siblings in the size department — Xpress Super Sport - XP21SS 2008 at 21,0 ft versus Xpress XP18 2011 at 18,0 ft. Weight tells a clearer story for trailering families: the Xpress XP18 2011 tips the scales at 1 045 lbs — 1 027 lbs less than the Xpress Super Sport - XP21SS 2008 at 18 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 90 hp, the Xpress Super Sport - XP21SS 2008 has a 81-hp advantage over the Xpress XP18 2011's 9-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.

For family outings this is probably the sharpest distinction between the two. The Xpress Super Sport - XP21SS 2008 is rated for 11 passengers, while the Xpress XP18 2011 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Xpress Super Sport - XP21SS 2008 could be the deciding factor.

Bottom line: Choose the Xpress Super Sport - XP21SS 2008 if your priority is putting more people on the water — it handles 11 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Xpress XP18 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.
General Boat Info
MakeXpress
MakeXpress
ModelSuper Sport - XP21SS
ModelXP18
Model Year2008
Model Year2011
Measurements / Dimensions
Weight - Detail1,800 lbs
Weight - Detail1,045 lbs
Weight - kg816.47
Weight - kg474
Weight - lbs.18
Weight - lbs.1045
Length - Feet21
Length - Feet18
Length - Inches2
Length - Inchesnot available
Length overall - Detail21 ft. 2 in
Length overall - Detail18 ft
Length overall - Meters6.45
Length overall - Meters5.49
Length overall - Inches254
Length overall - Inches216
Beamnot available
Beam86 in
Beam - Metersnot available
Beam - Meters2.18
Beam - Inchesnot available
Beam - Inches86
Width [transom] - Detailnot available
Width [transom] - Detail60 in
Height - Detailnot available
Height - Detail24 in
Height - Metersnot available
Height - Meters0.61
Height - Inchesnot available
Height - Inches24
Height [transom]not available
Height [transom]21 in
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typePontoon
Hull typeModified Vee
Hull thicknessnot available
Hull thickness0.1
Pontoon and Inflatable Specific
Tube diameter25 in
Tube diameternot available
Engine and Drivetrain
Fuel tank capacity - Detail37 gal
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters140.06
Fuel tank capacity - Litersnot available
Fuel tank capacity - Gal37
Fuel tank capacity - Galnot available
Fuel typeGas
Fuel typenot available
Drive typeOutboard
Drive typeOutboard
Engine max90 - 115 hp (higher hp requires triple toon performance upgrade)
Engine max9
Operational Info
Maximum capacity2,270 lbs
Maximum capacity1,300 lbs
Maximum people11 / 1,551 lbs
Maximum people4 / 564 lbs
Trailer Info
Trailer - Length over allnot available
Trailer - Length over all23 ft. 6 in

Xpress Super Sport - XP21SS 2008 vs Xpress XP18 2011 — Common Questions

Which is the larger boat — the Xpress Super Sport - XP21SS 2008 or the Xpress XP18 2011?
The Xpress Super Sport - XP21SS 2008 is the longer of the two at 21,0 feet overall. The Xpress XP18 2011 comes in at 18,0 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 Xpress Super Sport - XP21SS 2008 or the Xpress XP18 2011?
For trailering, the Xpress Super Sport - XP21SS 2008 has the edge at 18 lbs dry weight versus 1 045 lbs for the Xpress XP18 2011. 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 Xpress Super Sport - XP21SS 2008 is rated to a maximum of 90 hp, giving it the larger power ceiling. The Xpress XP18 2011 tops out at 9 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 Xpress Super Sport - XP21SS 2008 is Coast Guard rated for 11 passengers, while the Xpress XP18 2011 is certified for 4. 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.
Are the Xpress Super Sport - XP21SS 2008 and Xpress XP18 2011 from the same manufacturer?
Yes — both the Xpress Super Sport - XP21SS 2008 and the Xpress XP18 2011 are built by Xpress. 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.