ThunderJet Alexis OB Offshore - 22 ft. 2008 boat specs
ThunderJet
ThunderJet Alexis OB Offshore - 22 ft. 2008
2008
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VS
ThunderJet Rio Classic 2011 boat specs
ThunderJet
ThunderJet Rio Classic 2011
2011
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ThunderJet Alexis OB Offshore - 22 ft. 2008 vs ThunderJet Rio Classic 2011 — A Close Look at Two Modified Vees

When two boats share the same hull type — in this case both the ThunderJet Alexis OB Offshore - 22 ft. 2008 and the ThunderJet Rio Classic 2011 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 500 hp, the ThunderJet Alexis OB Offshore - 22 ft. 2008 has a 75-hp advantage over the ThunderJet Rio Classic 2011's 425-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 8 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: Performance buyers should lean toward the ThunderJet Alexis OB Offshore - 22 ft. 2008 and its 500-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the ThunderJet Rio Classic 2011 with its 425-hp rating is the more economical daily driver.
General Boat Info
MakeThunderJet
MakeThunderJet
ModelAlexis OB Offshore - 22 ft
ModelRio Classic
Model Year2008
Model Year2011
Measurements / Dimensions
Beam102 in
Beam102 in
Beam - Meters2.59
Beam - Meters2.59
Beam - Inches102
Beam - Inches102
Width [transom] - Detail40 in
Width [transom] - Detailnot available
Height - DetailSides: 40 in
Height - DetailSides: 35 in
Height - Meters1.02
Height - Meters0.89
Height - Inches4
Height - Inches35
Length - Feet22
Length - Feet22
Length overall - Detail22 ft. 0 in
Length overall - Detail22 ft
Length overall - Meters6.71
Length overall - Meters6.71
Length overall - Inches264
Length overall - Inches264
Deadrisenot available
Deadrise12 or 14°
Weight - Detailnot available
Weight - Detail3,500 lbs
Weight - kgnot available
Weight - kg1587.57
Weight - lbs.not available
Weight - lbs.35
Height [transom]not available
Height [transom]35 in
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.190 in
Hull thicknessSides: 0.125 in. Bottom: 0.250 in. Transom: 0.190 in
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail50 gal
Fuel tank capacity - Detail80 gal
Fuel tank capacity - Liters189.27
Fuel tank capacity - Liters302.83
Fuel tank capacity - Gal5
Fuel tank capacity - Gal8
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeJet Drive
Engine max500 hp
Engine maxnot available
Engine/s standardnot available
Engine/s standard5.7 l Vortec, Port Fuel Injected 35
Horsepowernot available
Horsepower425

ThunderJet Alexis OB Offshore - 22 ft. 2008 vs ThunderJet Rio Classic 2011 — Common Questions

Which is the larger boat — the ThunderJet Alexis OB Offshore - 22 ft. 2008 or the ThunderJet Rio Classic 2011?
The ThunderJet Rio Classic 2011 is the longer of the two at 22,0 feet overall. The ThunderJet Alexis OB Offshore - 22 ft. 2008 comes in at 22,0 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 OB Offshore - 22 ft. 2008 is rated to a maximum of 500 hp, giving it the larger power ceiling. The ThunderJet Rio Classic 2011 tops out at 425 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 people can each boat hold?
The ThunderJet Alexis OB Offshore - 22 ft. 2008 is Coast Guard rated for 6 passengers, while the ThunderJet Rio Classic 2011 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 Offshore - 22 ft. 2008 and ThunderJet Rio Classic 2011 share an 102 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.
Which boat has the larger fuel tank — the ThunderJet Alexis OB Offshore - 22 ft. 2008 or the ThunderJet Rio Classic 2011?
The ThunderJet Rio Classic 2011 has the bigger tank at 8 gallons, versus 5 gallons on the ThunderJet Alexis OB Offshore - 22 ft. 2008. That 3-gallon difference translates to roughly 9–15 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the ThunderJet Alexis OB Offshore - 22 ft. 2008 and ThunderJet Rio Classic 2011 from the same manufacturer?
Yes — both the ThunderJet Alexis OB Offshore - 22 ft. 2008 and the ThunderJet Rio Classic 2011 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.