Sun Tracker Party Deck 21 I/O 2006 boat specs
Sun Tracker
Sun Tracker Party Deck 21 I/O 2006
2006
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VS
Sun Tracker SportFish™ 22 XP3 2022 boat specs
Sun Tracker
Sun Tracker SportFish™ 22 XP3 2022
2022
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Sun Tracker Party Deck 21 I/O 2006 vs Sun Tracker SportFish™ 22 XP3 2022: Same Brand, Different Boat

The Sun Tracker Party Deck 21 I/O 2006 vs Sun Tracker SportFish™ 22 XP3 2022 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 220 hp, the Sun Tracker Party Deck 21 I/O 2006 has a 70-hp advantage over the Sun Tracker SportFish™ 22 XP3 2022's 150-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 Sun Tracker Party Deck 21 I/O 2006 is rated for 10 passengers, while the Sun Tracker SportFish™ 22 XP3 2022 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sun Tracker Party Deck 21 I/O 2006 could be the deciding factor.

Bottom line: Choose the Sun Tracker Party Deck 21 I/O 2006 if your priority is putting more people on the water - it handles 10 passengers and at 20,0 ft it has the deck room to back that rating up comfortably. The Sun Tracker SportFish™ 22 XP3 2022 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.
General Boat Info
MakeSun Tracker
Makenot available
ModelParty Deck 21 I/O
Modelnot available
Model Year2006
Model Yearnot available
Measurements / Dimensions
Beam101 in.
Beamnot available
Beam - Meters2.57
Beam - Metersnot available
Beam - Inches101
Beam - Inchesnot available
Deadrise17℃
Deadrisenot available
Weight - Detail2,250 lbs.
Weight - Detailnot available
Weight - kg1020.58
Weight - kgnot available
Weight - lbs.2250
Weight - lbs.not available
Length - Feet20
Length - Feet24
Length - Inches7
Length - Inchesnot available
Length overall - Detail20 ft. 7 in.
Length overall - Detail24.00 ft
Length overall - Meters6.27
Length overall - Meters7.32
Length overall - Inches247
Length overall - Inches288
Body / Hull
Hull materialAluminum
Hull materialnot available
Hull thickness0.100 in.
Hull thicknessnot available
Engine and Drivetrain
Engine/s standardMerCruiser? 3.0 l 135 hp inline 4-cylinder w/ power steering
Engine/s standardnot available
Fuel tank capacity - Detail41 gal.
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters155.2
Fuel tank capacity - Litersnot available
Fuel tank capacity - Gal41
Fuel tank capacity - Galnot available
Drive typeI/O
Drive typenot available
Engine max220 hp
Engine maxnot available
Engine makenot available
Engine makeMercury
Horsepowernot available
Horsepower150 hp
Fuel typenot available
Fuel typeOther
Operational Info
Maximum capacity2,045 lbs.
Maximum capacitynot available
Maximum people10
Maximum peoplenot available
Boat typenot available
Boat typePower
Trailer Info
Trailer - Length over all26 ft. 5 in.
Trailer - Length over allnot available
Trailer - Weight3,387 lbs.
Trailer - Weightnot available
Trailer - Width8 ft. 6 in.
Trailer - Widthnot available

Sun Tracker Party Deck 21 I/O 2006 vs Sun Tracker SportFish™ 22 XP3 2022 - Common Questions

Which is the larger boat - the Sun Tracker Party Deck 21 I/O 2006 or the Sun Tracker SportFish™ 22 XP3 2022?
The Sun Tracker SportFish™ 22 XP3 2022 is the longer of the two at 24,0 feet overall. The Sun Tracker Party Deck 21 I/O 2006 comes in at 20,0 feet, making it roughly 4,0 ft shorter - a meaningful difference in deck room and overall on-water presence.
Which boat can handle a bigger outboard?
The Sun Tracker Party Deck 21 I/O 2006 is rated to a maximum of 220 hp, giving it the larger power ceiling. The Sun Tracker SportFish™ 22 XP3 2022 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 Sun Tracker Party Deck 21 I/O 2006 is Coast Guard rated for 10 passengers, while the Sun Tracker SportFish™ 22 XP3 2022 is certified for 7. 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 Sun Tracker Party Deck 21 I/O 2006 and Sun Tracker SportFish™ 22 XP3 2022 from the same manufacturer?
Yes - both the Sun Tracker Party Deck 21 I/O 2006 and the Sun Tracker SportFish™ 22 XP3 2022 are built by Sun Tracker. 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.