Detailed Evaluation & Buyer Recommendation
ThunderJet Alexis OB Offshore - 21 ft. 2008 vs ThunderJet Alexis Outboard - 21 ft. 2008 — A Close Look at Two Modified Vees
When two boats share the same hull type — in this case both the ThunderJet Alexis OB Offshore - 21 ft. 2008 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 OB Offshore - 21 ft. 2008 carries a rated maximum of 500 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.
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 Offshore - 21 ft. 2008 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
MakeThunderJet
ModelAlexis OB Offshore - 21 ft
ModelAlexis Outboard - 21 ft
Model Year2008
Model Year2008
Measurements / Dimensions
Beam - Meters2.59
Beam - Meters2.44
Beam - Inches102
Beam - Inches96
Width [transom] - Detail40 in
Width [transom] - Detail34 in
Height - DetailSides: 40 in
Height - DetailSides: 34 in
Height - Meters1.02
Height - Meters0.86
Height - Inches4
Height - Inches34
Length - Feet21
Length - Feet21
Length overall - Detail21 ft. 0 in
Length overall - Detail21 ft. 0 in
Length overall - Meters6.4
Length overall - Meters6.4
Length overall - Inches252
Length overall - Inches252
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.190 in
Hull thicknessnot available
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
Drive typeOutboard
Drive typeOutboard
Engine max500 hp
Engine maxnot available
Engine/s standardnot available
Engine/s standardSuzuki