ThunderJet Alexis 2009 boat specs
ThunderJet
ThunderJet Alexis 2009
2009
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VS
ThunderJet Alexis Outboard - 21 ft. 2008 boat specs
ThunderJet
ThunderJet Alexis Outboard - 21 ft. 2008
2008
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ThunderJet Alexis 2009 vs ThunderJet Alexis Outboard - 21 ft. 2008 — Which Modified Vee Fits Your Needs?

When two boats share the same hull type — in this case both the ThunderJet Alexis 2009 and the ThunderJet Alexis Outboard - 21 ft. 2008 are modified vee designs with aluminum construction — 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?

The ThunderJet Alexis 2009 carries a rated maximum of 325 hp. Engine data for the ThunderJet Alexis Outboard - 21 ft. 2008 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Both carry nearly identical fuel loads — 5 gal and 5 gal — so range won't be a tiebreaker here.

Bottom line: The ThunderJet Alexis Outboard - 21 ft. 2008 at 21,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The ThunderJet Alexis 2009 at 2,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.
General Boat Info
MakeThunderJet
MakeThunderJet
ModelAlexis
ModelAlexis Outboard - 21 ft
Model Year2009
Model Year2008
Measurements / Dimensions
Beam96 in
Beam96 in
Beam - Meters2.44
Beam - Meters2.44
Beam - Inches96
Beam - Inches96
Width [transom] - Detail72 in
Width [transom] - Detail34 in
Height [transom]34 in
Height [transom]not available
Length - Feet2
Length - Feet21
Height - Detailnot available
Height - DetailSides: 34 in
Height - Metersnot available
Height - Meters0.86
Height - Inchesnot available
Height - Inches34
Length overall - Detailnot available
Length overall - Detail21 ft. 0 in
Length overall - Metersnot available
Length overall - Meters6.4
Length overall - Inchesnot available
Length overall - Inches252
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Engine/s standard5.7 l Vortec
Engine/s standardSuzuki
Fuel tank capacity - Detail50 gal
Fuel tank capacity - Detail50 gal
Fuel tank capacity - Liters189.27
Fuel tank capacity - Liters189.27
Fuel tank capacity - Gal5
Fuel tank capacity - Gal5
Fuel typeGas
Fuel typeGas
Drive typeInboard
Drive typeOutboard
Horsepower325
Horsepowernot available

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

Which is the larger boat — the ThunderJet Alexis 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 2009 comes in at 2,0 feet, making it roughly 19,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The ThunderJet Alexis 2009 has a documented max rating of 325 hp. Engine specifications for the ThunderJet Alexis Outboard - 21 ft. 2008 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many passengers can the ThunderJet Alexis Outboard - 21 ft. 2008 carry?
The ThunderJet Alexis Outboard - 21 ft. 2008 has an official capacity rating of 6 people. Capacity data wasn't available for the other model in this comparison — verify directly with the dealer.
Do these boats require an oversize trailer permit to tow on US highways?
Both the ThunderJet Alexis 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 2009 and ThunderJet Alexis Outboard - 21 ft. 2008?
Both boats carry similar fuel loads — 5 gallons and 5 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 2009 and ThunderJet Alexis Outboard - 21 ft. 2008 from the same manufacturer?
Yes — both the ThunderJet Alexis 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.