ThunderJet Alexis OB Offshore - 22 ft. 2008 boat specs
ThunderJet
ThunderJet Alexis OB Offshore - 22 ft. 2008
2008
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VS
ThunderJet Bull Dog 18 ft. 2013 boat specs
ThunderJet
ThunderJet Bull Dog 18 ft. 2013
2013
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ThunderJet Alexis OB Offshore - 22 ft. 2008 vs ThunderJet Bull Dog 18 ft. 2013 — Which Modified Vee Fits Your Needs?

When two boats share the same hull type — in this case both the ThunderJet Alexis OB Offshore - 22 ft. 2008 and the ThunderJet Bull Dog 18 ft. 2013 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 - 22 ft. 2008 carries a rated maximum of 500 hp. Engine data for the ThunderJet Bull Dog 18 ft. 2013 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the ThunderJet Bull Dog 18 ft. 2013 carries 48 gallons versus 5 gallons in the ThunderJet Alexis OB Offshore - 22 ft. 2008. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The ThunderJet Alexis OB Offshore - 22 ft. 2008 is rated for 6 passengers, while the ThunderJet Bull Dog 18 ft. 2013 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the ThunderJet Alexis OB Offshore - 22 ft. 2008 could be the deciding factor.

Bottom line: Choose the ThunderJet Alexis OB Offshore - 22 ft. 2008 if your priority is putting more people on the water — it handles 6 passengers and at 22,0 ft it has the deck room to back that rating up comfortably. The ThunderJet Bull Dog 18 ft. 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.
General Boat Info
MakeThunderJet
MakeThunderJet
ModelAlexis OB Offshore - 22 ft
ModelBull Dog 18 ft
Model Year2008
Model Year2013
Measurements / Dimensions
Beam102 in
Beam90 in
Beam - Meters2.59
Beam - Meters2.29
Beam - Inches102
Beam - Inches9
Width [transom] - Detail40 in
Width [transom] - DetailBottom: 72 in
Height - DetailSides: 40 in
Height - DetailSides: 35 in
Height - Meters1.02
Height - Meters0.89
Height - Inches4
Height - Inches35
Length - Feet22
Length - Feet18
Length overall - Detail22 ft. 0 in
Length overall - Detail18 ft
Length overall - Meters6.71
Length overall - Meters5.49
Length overall - Inches264
Length overall - Inches216
Deadrisenot available
Deadrise8°
Weight - Detailnot available
Weight - Detail2,500 lbs
Weight - kgnot available
Weight - kg1133.98
Weight - lbs.not available
Weight - lbs.25
Height [transom]not available
Height [transom]35 in
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.190 in
Hull thicknessSides: 0.125 in. Bottom: 0.375 in. Transom: 0.25 in
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail50 gal
Fuel tank capacity - Detail48 gal
Fuel tank capacity - Liters189.27
Fuel tank capacity - Liters181.7
Fuel tank capacity - Gal5
Fuel tank capacity - Gal48
Fuel typeGas
Fuel typeGas
Drive typeOutboard
Drive typeJet Drive
Engine max500 hp
Engine maxnot available
Engine makenot available
Engine makeMercury
Engine modelnot available
Engine model200 Optimax Sport Jet 60&#176 direct fuel injected V-6
Exhaustnot available
ExhaustTuned thru transom exhaust with dual mufflers
Impellernot available
Impeller4-blade progressive pitch SST
Jet pumpnot available
Jet pumpMixed flow high volume
Trailer Info
Trailer - Detailnot available
Trailer - DetailGateway 5,200 lb. capacity galvanized tandem axle bunk

ThunderJet Alexis OB Offshore - 22 ft. 2008 vs ThunderJet Bull Dog 18 ft. 2013 — Common Questions

Which is the larger boat — the ThunderJet Alexis OB Offshore - 22 ft. 2008 or the ThunderJet Bull Dog 18 ft. 2013?
The ThunderJet Alexis OB Offshore - 22 ft. 2008 is the longer of the two at 22,0 feet overall. The ThunderJet Bull Dog 18 ft. 2013 comes in at 18,0 feet, making it roughly 4,0 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 OB Offshore - 22 ft. 2008 has a documented max rating of 500 hp. Engine specifications for the ThunderJet Bull Dog 18 ft. 2013 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
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 Bull Dog 18 ft. 2013 is certified for 5. 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.
Which boat is wider, and does it affect trailering?
The ThunderJet Alexis OB Offshore - 22 ft. 2008 measures 102" wide, compared to 9" for the ThunderJet Bull Dog 18 ft. 2013. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Which boat has the larger fuel tank — the ThunderJet Alexis OB Offshore - 22 ft. 2008 or the ThunderJet Bull Dog 18 ft. 2013?
The ThunderJet Bull Dog 18 ft. 2013 has the bigger tank at 48 gallons, versus 5 gallons on the ThunderJet Alexis OB Offshore - 22 ft. 2008. That 43-gallon difference translates to roughly 129–215 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 Bull Dog 18 ft. 2013 from the same manufacturer?
Yes — both the ThunderJet Alexis OB Offshore - 22 ft. 2008 and the ThunderJet Bull Dog 18 ft. 2013 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.