ThunderJet Bull Dog 18 ft. 2011 boat specs
ThunderJet
ThunderJet Bull Dog 18 ft. 2011
2011
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VS
ThunderJet Maxim - 23 ft. 2008 boat specs
ThunderJet
ThunderJet Maxim - 23 ft. 2008
2008
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ThunderJet Bull Dog 18 ft. 2011 vs ThunderJet Maxim - 23 ft. 2008: Which Modified-V Boat Fits Your Needs?

Both the ThunderJet Bull Dog 18 ft. 2011 and the ThunderJet Maxim - 23 ft. 2008 are modified-V designs, both built in aluminium, so 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 Maxim - 23 ft. 2008 tops out at 525 hp. Engine specs for the ThunderJet Bull Dog 18 ft. 2011 aren't listed - confirm with a dealer before selecting an outboard.

For family outings this is probably the sharpest distinction between the two. The ThunderJet Maxim - 23 ft. 2008 is rated for 10 passengers, while the ThunderJet Bull Dog 18 ft. 2011 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the ThunderJet Maxim - 23 ft. 2008 could be the deciding factor.

Bottom line: Choose the ThunderJet Maxim - 23 ft. 2008 if your priority is putting more people on the water - it handles 10 passengers and at 23,0 ft it has the deck room to back that rating up comfortably. The ThunderJet Bull Dog 18 ft. 2011 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
ModelBull Dog 18 ft.
ModelMaxim - 23 ft.
Model Year2011
Model Year2008
Measurements / Dimensions
Beam90 in.
Beam108 in.
Beam - Meters2.29
Beam - Meters2.74
Beam - Inches90
Beam - Inches108
Deadrise8°
Deadrisenot available
Height - DetailSides: 31 in.
Height - DetailSides: 35 in.
Height - Meters0.79
Height - Meters0.89
Height - Inches31
Height - Inches35
Length - Feet18
Length - Feet23
Length overall - Detail18 ft.
Length overall - Detail23 ft. 0 in.
Length overall - Meters5.49
Length overall - Meters7.01
Length overall - Inches216
Length overall - Inches276
Width [transom] - Detailnot available
Width [transom] - Detail35 in.
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thicknessSides: 0.125 in. Bottom: 0.375 in. Transom: 0.250 in.
Hull thickness0.250 in.
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Engine/s standard200 hp Mercury Sport Jet
Engine/s standard496 port fuel injected; 375 hp
Fuel typeGas
Fuel typeGas
Drive typeJet Drive
Drive typeJet Drive
Impellernot available
ImpellerTurbo
Jet pumpnot available
Jet pumpHamilton 212
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail110 gal.
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters416.4
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal110
Engine maxnot available
Engine max525 hp
Operational Info
Maximum capacitynot available
Maximum capacity3,970 lbs.
Maximum peoplenot available
Maximum people10 / 2,500 lbs.

ThunderJet Bull Dog 18 ft. 2011 vs ThunderJet Maxim - 23 ft. 2008 - Common Questions

Which is the larger boat - the ThunderJet Bull Dog 18 ft. 2011 or the ThunderJet Maxim - 23 ft. 2008?
The ThunderJet Maxim - 23 ft. 2008 is the longer of the two at 23,0 feet overall. The ThunderJet Bull Dog 18 ft. 2011 comes in at 18,0 feet, making it roughly 5,0 ft shorter - a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The ThunderJet Maxim - 23 ft. 2008 has a documented max rating of 525 hp. Engine specifications for the ThunderJet Bull Dog 18 ft. 2011 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 Bull Dog 18 ft. 2011 is Coast Guard rated for 5 passengers, while the ThunderJet Maxim - 23 ft. 2008 is certified for 10. 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 Maxim - 23 ft. 2008 measures 108" wide, compared to 90" for the ThunderJet Bull Dog 18 ft. 2011. 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.
Are the ThunderJet Bull Dog 18 ft. 2011 and ThunderJet Maxim - 23 ft. 2008 from the same manufacturer?
Yes - both the ThunderJet Bull Dog 18 ft. 2011 and the ThunderJet Maxim - 23 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.