ThunderJet Alexis OB 2010 boat specs
ThunderJet
ThunderJet Alexis OB 2010
2010
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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 OB 2010 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 OB 2010 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?

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 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 OB 2010 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 OB
ModelAlexis Outboard - 21 ft
Model Year201
Model Year2008
Measurements / Dimensions
Beam96 in
Beam96 in
Beam - Meters2.44
Beam - Meters2.44
Beam - Inches96
Beam - Inches96
Deadrise16° Entry: 45°
Deadrisenot available
Weight - Detail1,800 lbs
Weight - Detailnot available
Weight - kg816.47
Weight - kgnot available
Weight - lbs.18
Weight - lbs.not available
Width [transom] - Detail72 in
Width [transom] - Detail34 in
Height [transom]34 in
Height [transom]not available
Length - Feet2
Length - Feet21
Length overall - Detail20 ft. 0 in
Length overall - Detail21 ft. 0 in
Length overall - Meters6.1
Length overall - Meters6.4
Length overall - Inches24
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 materialAluminum
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
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 typeOutboard
Drive typeOutboard
Engine/s standardnot available
Engine/s standardSuzuki

ThunderJet Alexis OB 2010 vs ThunderJet Alexis Outboard - 21 ft. 2008 — Common Questions

Which is the larger boat — the ThunderJet Alexis OB 2010 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 2010 comes in at 2,0 feet, making it roughly 19,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
How many people can each boat hold?
The ThunderJet Alexis OB 2010 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 2010 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 2010 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 OB 2010 and ThunderJet Alexis Outboard - 21 ft. 2008 from the same manufacturer?
Yes — both the ThunderJet Alexis OB 2010 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.