ThunderJet Alexis - 20 ft.  2008 boat specs
ThunderJet
ThunderJet Alexis - 20 ft. 2008
2008
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VS
ThunderJet Alexis 2009 boat specs
ThunderJet
ThunderJet Alexis 2009
2009
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ThunderJet Alexis - 20 ft. 2008 vs ThunderJet Alexis 2009 — A Close Look at Two Modified Vees

When two boats share the same hull type — in this case both the ThunderJet Alexis - 20 ft. 2008 and the ThunderJet Alexis 2009 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 power gap is worth calling out. Rated to 425 hp, the ThunderJet Alexis - 20 ft. 2008 has a 100-hp advantage over the ThunderJet Alexis 2009's 325-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 5 gal and 5 gal — so range won't be a tiebreaker here.

The ThunderJet Alexis - 20 ft. 2008 is rated for up to 8 people. Passenger data for the ThunderJet Alexis 2009 wasn't available.

Bottom line: Performance buyers should lean toward the ThunderJet Alexis - 20 ft. 2008 and its 425-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the ThunderJet Alexis 2009 with its 325-hp rating is the more economical daily driver.
General Boat Info
MakeThunderJet
MakeThunderJet
ModelAlexis - 20 ft
ModelAlexis
Model Year2008
Model Year2009
Measurements / Dimensions
Beam96 in
Beam96 in
Beam - Meters2.44
Beam - Meters2.44
Beam - Inches96
Beam - Inches96
Width [transom] - Detail34 in
Width [transom] - Detail72 in
Height - DetailSides: 34 in
Height - Detailnot available
Height - Meters0.86
Height - Metersnot available
Height - Inches34
Height - Inchesnot available
Length - Feet2
Length - Feet2
Length overall - Detail20 ft. 0 in
Length overall - Detailnot available
Length overall - Meters6.1
Length overall - Metersnot available
Length overall - Inches24
Length overall - Inchesnot available
Height [transom]not available
Height [transom]34 in
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.190 in
Hull thicknessnot available
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Engine/s standardCarbureted Vortec 35
Engine/s standard5.7 l Vortec
Jet pumpAmerican Turbine SD 309
Jet pumpnot available
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 typeJet Drive
Drive typeInboard
Engine max425 hp
Engine maxnot available
Horsepowernot available
Horsepower325
Operational Info
Maximum capacity1,800 lbs
Maximum capacitynot available
Maximum people8 / 1,750 lbs
Maximum peoplenot available

ThunderJet Alexis - 20 ft. 2008 vs ThunderJet Alexis 2009 — Common Questions

Which is the larger boat — the ThunderJet Alexis - 20 ft. 2008 or the ThunderJet Alexis 2009?
The ThunderJet Alexis 2009 is the longer of the two at 2,0 feet overall. The ThunderJet Alexis - 20 ft. 2008 comes in at 2,0 feet, making it roughly 0,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which boat can handle a bigger outboard?
The ThunderJet Alexis - 20 ft. 2008 is rated to a maximum of 425 hp, giving it the larger power ceiling. The ThunderJet Alexis 2009 tops out at 325 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 passengers can the ThunderJet Alexis - 20 ft. 2008 carry?
The ThunderJet Alexis - 20 ft. 2008 has an official capacity rating of 8 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 - 20 ft. 2008 and ThunderJet Alexis 2009 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 - 20 ft. 2008 and ThunderJet Alexis 2009?
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 - 20 ft. 2008 and ThunderJet Alexis 2009 from the same manufacturer?
Yes — both the ThunderJet Alexis - 20 ft. 2008 and the ThunderJet Alexis 2009 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.