Seaswirl 21 Center Console 2008 vs Seaswirl 2101 Dual Console I/O 2006 - Boat Spec Comparison

Q: Which is the larger boat — the Seaswirl 21 Center Console 2008 or the Seaswirl 2101 Dual Console I/O 2006?

The Seaswirl 2101 Dual Console I/O 2006 is the longer of the two at 21,0 feet overall. The Seaswirl 21 Center Console 2008 comes in at 21,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

Q: What is the maximum horsepower rating for these boats?

The Seaswirl 21 Center Console 2008 has a documented max rating of 250 hp. Engine specifications for the Seaswirl 2101 Dual Console I/O 2006 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

Q: How many people can each boat hold?

The Seaswirl 21 Center Console 2008 is Coast Guard rated for 6 passengers, while the Seaswirl 2101 Dual Console I/O 2006 is certified for 6. 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.

Q: Do these boats require an oversize trailer permit to tow on US highways?

Both the Seaswirl 21 Center Console 2008 and Seaswirl 2101 Dual Console I/O 2006 share an 8 ft. 6 in beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.

Q: How do the fuel tanks compare on the Seaswirl 21 Center Console 2008 and Seaswirl 2101 Dual Console I/O 2006?

Both boats carry similar fuel loads — 105 gallons and 105 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.

Q: Are the Seaswirl 21 Center Console 2008 and Seaswirl 2101 Dual Console I/O 2006 from the same manufacturer?

Yes — both the Seaswirl 21 Center Console 2008 and the Seaswirl 2101 Dual Console I/O 2006 are built by Seaswirl. 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.

Boat Comparison

Seaswirl 21 Center Console 2008 vs Seaswirl 2101 Dual Console I/O 2006

Seaswirl

Seaswirl 21 Center Console 2008

2008

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Seaswirl

Seaswirl 2101 Dual Console I/O 2006

2006

View full specs →

Detailed Evaluation & Buyer Recommendation

Seaswirl 21 Center Console 2008 vs Seaswirl 2101 Dual Console I/O 2006 — Same Brand, Different Boat

The Seaswirl 21 Center Console 2008 vs Seaswirl 2101 Dual Console I/O 2006 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 Seaswirl 21 Center Console 2008 carries a rated maximum of 250 hp. Engine data for the Seaswirl 2101 Dual Console I/O 2006 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Both carry nearly identical fuel loads — 105 gal and 105 gal — so range won't be a tiebreaker here.

Both boats are rated for 6 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.

Bottom line: The Seaswirl 21 Center Console 2008 and Seaswirl 2101 Dual Console I/O 2006 are closely matched on the specs that matter most. Test-ride both on the water you actually use, check current dealer pricing, and factor in long-term service access before you sign.

General Boat Info

MakeSeaswirl

Model21 Center Console

Model2101 Dual Console I/O

Model Year2008

Model Year2006

Measurements / Dimensions

Beam8 ft. 6 in

Beam102 in. (2.59 m)

Beam - Meters2.59

Beam - Inches102

Deadrise22℃

Deadrise20℃

Draft [max] - Detail16 in

Draft [max] - Detailnot available

Draft [max] - Meters0.41

Draft [max] - Metersnot available

Draft [max] - Inches16

Draft [max] - Inchesnot available

Weight - Detail2,700 lbs. (w/o power)

Weight - Detailnot available

Weight - kg1224.7

Weight - kgnot available

Weight - lbs.27

Weight - lbs.not available

Length - Feet21

Length overall - Detail21 ft. 0 in

Length overall - Detail21 ft. 6 in. (6.55 m)

Length overall - Meters6.4

Length overall - Meters6.55

Length overall - Inches252

Length overall - Inches258

Bridge clearance - Detailnot available

Bridge clearance - Detail62 in. (1.57 m)

Bridge clearance - Metersnot available

Bridge clearance - Meters1.57

Bridge clearance - Inchesnot available

Bridge clearance - Inches62

Length - Metersnot available

Length - Meters6.55

Length - Inchesnot available

Length - Inches6

Body / Hull

Hull materialFiberglass

Hull materialnot available

Hull typeDeep Vee

Hull typenot available

Engine and Drivetrain

Engine/s standard150 hp

Engine/s standardnot available

Fuel tank capacity - Detail105 gal

Fuel tank capacity - Detail105 gal. (397 l)

Fuel tank capacity - Liters397.47

Fuel tank capacity - Gal105

Drive typeOutboard

Drive typeI/O

Engine max250 hp

Engine maxnot available

Fuel typenot available

Fuel typeGas or diesel

Seaswirl 21 Center Console 2008 vs Seaswirl 2101 Dual Console I/O 2006 — Common Questions

Which is the larger boat — the Seaswirl 21 Center Console 2008 or the Seaswirl 2101 Dual Console I/O 2006?

The Seaswirl 2101 Dual Console I/O 2006 is the longer of the two at 21,0 feet overall. The Seaswirl 21 Center Console 2008 comes in at 21,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.

What is the maximum horsepower rating for these boats?

The Seaswirl 21 Center Console 2008 has a documented max rating of 250 hp. Engine specifications for the Seaswirl 2101 Dual Console I/O 2006 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.

How many people can each boat hold?

The Seaswirl 21 Center Console 2008 is Coast Guard rated for 6 passengers, while the Seaswirl 2101 Dual Console I/O 2006 is certified for 6. 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.

Do these boats require an oversize trailer permit to tow on US highways?

Both the Seaswirl 21 Center Console 2008 and Seaswirl 2101 Dual Console I/O 2006 share an 8 ft. 6 in beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.

How do the fuel tanks compare on the Seaswirl 21 Center Console 2008 and Seaswirl 2101 Dual Console I/O 2006?

Both boats carry similar fuel loads — 105 gallons and 105 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.

Are the Seaswirl 21 Center Console 2008 and Seaswirl 2101 Dual Console I/O 2006 from the same manufacturer?

Yes — both the Seaswirl 21 Center Console 2008 and the Seaswirl 2101 Dual Console I/O 2006 are built by Seaswirl. 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.

← Seaswirl 21 Center Console 2008 full specs ← Seaswirl 2101 Dual Console I/O 2006 full specs