ThunderJet Alexis OB 2009 vs ThunderJet Alexis Outboard - 21 ft. 2008 - Boat Spec Comparison

Q: Which is the larger boat - the ThunderJet Alexis OB 2009 or the ThunderJet Alexis Outboard - 21 ft. 2008?

The ThunderJet Alexis Outboard - 21 ft. 2008 is the longer of the two at 21,0 feet overall. The ThunderJet Alexis OB 2009 comes in at 20,0 feet, making it roughly 1,0 ft shorter - a meaningful difference in deck room and overall on-water presence.

Q: How many people can each boat hold?

The ThunderJet Alexis OB 2009 is Coast Guard rated for 6 passengers, while the ThunderJet Alexis Outboard - 21 ft. 2008 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 ThunderJet Alexis OB 2009 and ThunderJet Alexis Outboard - 21 ft. 2008 share an 96 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 ThunderJet Alexis OB 2009 and ThunderJet Alexis Outboard - 21 ft. 2008?

Both boats carry similar fuel loads - 50 gallons and 50 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 ThunderJet Alexis OB 2009 and ThunderJet Alexis Outboard - 21 ft. 2008 from the same manufacturer?

Yes - both the ThunderJet Alexis OB 2009 and the ThunderJet Alexis Outboard - 21 ft. 2008 are built by ThunderJet. 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

ThunderJet Alexis OB 2009 vs ThunderJet Alexis Outboard - 21 ft. 2008

ThunderJet

ThunderJet Alexis OB 2009

2009

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ThunderJet

ThunderJet Alexis Outboard - 21 ft. 2008

2008

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Detailed Evaluation & Buyer Recommendation

ThunderJet Alexis OB 2009 vs ThunderJet Alexis Outboard - 21 ft. 2008: A Close Look at Two Modified-V Boats

Both the ThunderJet Alexis OB 2009 and the ThunderJet Alexis Outboard - 21 ft. 2008 are modified-V designs, both built in aluminium, so the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

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 ThunderJet Alexis OB 2009 and ThunderJet Alexis Outboard - 21 ft. 2008 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

MakeThunderJet

ModelAlexis OB

ModelAlexis Outboard - 21 ft.

Model Year2009

Model Year2008

Measurements / Dimensions

Beam96 in.

Beam - Meters2.44

Beam - Inches96

Deadrise16° Entry: 45°

Deadrisenot available

Weight - Detail1,800 lbs.

Weight - Detailnot available

Weight - kg816.47

Weight - kgnot available

Weight - lbs.1800

Weight - lbs.not available

Width [transom] - Detail72 in.

Width [transom] - Detail34 in.

Height [transom]34 in.

Height [transom]not available

Length - Feet20

Length - Feet21

Length overall - Detail20 ft. 0 in.

Length overall - Detail21 ft. 0 in.

Length overall - Meters6.1

Length overall - Meters6.4

Length overall - Inches240

Length overall - Inches252

Height - Detailnot available

Height - DetailSides: 34 in.

Height - Metersnot available

Height - Meters0.86

Height - Inchesnot available

Height - Inches34

Body / Hull

Hull materialAluminum

Hull typeModified Vee

Engine and Drivetrain

Fuel tank capacity - Detail50 gal.

Fuel tank capacity - Liters189.27

Fuel tank capacity - Gal50

Fuel typeGas

Drive typeOutboard

Engine/s standardnot available

Engine/s standardSuzuki

ThunderJet Alexis OB 2009 vs ThunderJet Alexis Outboard - 21 ft. 2008 - Common Questions

Which is the larger boat - the ThunderJet Alexis OB 2009 or the ThunderJet Alexis Outboard - 21 ft. 2008?

The ThunderJet Alexis Outboard - 21 ft. 2008 is the longer of the two at 21,0 feet overall. The ThunderJet Alexis OB 2009 comes in at 20,0 feet, making it roughly 1,0 ft shorter - a meaningful difference in deck room and overall on-water presence.

How many people can each boat hold?

The ThunderJet Alexis OB 2009 is Coast Guard rated for 6 passengers, while the ThunderJet Alexis Outboard - 21 ft. 2008 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 ThunderJet Alexis OB 2009 and ThunderJet Alexis Outboard - 21 ft. 2008 share an 96 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 ThunderJet Alexis OB 2009 and ThunderJet Alexis Outboard - 21 ft. 2008?

Both boats carry similar fuel loads - 50 gallons and 50 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.

Are the ThunderJet Alexis OB 2009 and ThunderJet Alexis Outboard - 21 ft. 2008 from the same manufacturer?

Yes - both the ThunderJet Alexis OB 2009 and the ThunderJet Alexis Outboard - 21 ft. 2008 are built by ThunderJet. 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.

← ThunderJet Alexis OB 2009 full specs ← ThunderJet Alexis Outboard - 21 ft. 2008 full specs