ThunderJet Denali 2009 boat specs
ThunderJet
ThunderJet Denali 2009
2009
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VS
ThunderJet Maxim Classic - 25 ft. 2008 boat specs
ThunderJet
ThunderJet Maxim Classic - 25 ft. 2008
2008
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ThunderJet Denali 2009 vs ThunderJet Maxim Classic - 25 ft. 2008 — Which Modified Vee Fits Your Needs?

When two boats share the same hull type — in this case both the ThunderJet Denali 2009 and the ThunderJet Maxim Classic - 25 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 power gap is worth calling out. Rated to 525 hp, the ThunderJet Maxim Classic - 25 ft. 2008 has a 523-hp advantage over the ThunderJet Denali 2009's 2-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.

For family outings this is probably the sharpest distinction between the two. The ThunderJet Maxim Classic - 25 ft. 2008 is rated for 10 passengers, while the ThunderJet Denali 2009 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the ThunderJet Maxim Classic - 25 ft. 2008 could be the deciding factor.

Bottom line: Choose the ThunderJet Maxim Classic - 25 ft. 2008 if your priority is putting more people on the water — it handles 10 passengers and at 25,0 ft it has the deck room to back that rating up comfortably. The ThunderJet Denali 2009 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.
General Boat Info
MakeThunderJet
MakeThunderJet
ModelDenali
ModelMaxim Classic - 25 ft
Model Year2009
Model Year2008
Measurements / Dimensions
Beam90 in
Beam108 in
Beam - Meters2.29
Beam - Meters2.74
Beam - Inches9
Beam - Inches108
Deadrise6° Entry 25°
Deadrisenot available
Weight - Detail2,500 lbs
Weight - Detailnot available
Weight - kg1133.98
Weight - kgnot available
Weight - lbs.25
Weight - lbs.not available
Width [transom] - Detail78 in
Width [transom] - Detail35 in
Height [transom]34 in
Height [transom]not available
Length - Feet2
Length - Feet25
Length overall - Detail20 ft. 0 in
Length overall - Detail25 ft. 0 in
Length overall - Meters6.1
Length overall - Meters7.62
Length overall - Inches24
Length overall - Inches3
Height - Detailnot available
Height - DetailSides: 35 in
Height - Metersnot available
Height - Meters0.89
Height - Inchesnot available
Height - Inches35
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull typeModified Vee
Hull typeModified Vee
Hull thicknessnot available
Hull thickness0.250 in
Engine and Drivetrain
Engine/s standardMercury Sport Jet Optimax
Engine/s standard496 port fuel injected; 375 hp
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 typeInboard
Drive typeJet Drive
Horsepower2
Horsepowernot available
Impellernot available
ImpellerTurbo
Jet pumpnot available
Jet pumpHamilton 212
Engine maxnot available
Engine max525 hp
Operational Info
Maximum capacitynot available
Maximum capacity3,970 lbs
Maximum peoplenot available
Maximum people10 / 2,500 lbs

ThunderJet Denali 2009 vs ThunderJet Maxim Classic - 25 ft. 2008 — Common Questions

Which is the larger boat — the ThunderJet Denali 2009 or the ThunderJet Maxim Classic - 25 ft. 2008?
The ThunderJet Maxim Classic - 25 ft. 2008 is the longer of the two at 25,0 feet overall. The ThunderJet Denali 2009 comes in at 2,0 feet, making it roughly 23,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which boat can handle a bigger outboard?
The ThunderJet Maxim Classic - 25 ft. 2008 is rated to a maximum of 525 hp, giving it the larger power ceiling. The ThunderJet Denali 2009 tops out at 2 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 Denali 2009 is Coast Guard rated for 6 passengers, while the ThunderJet Maxim Classic - 25 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 Classic - 25 ft. 2008 measures 108" wide, compared to 9" for the ThunderJet Denali 2009. 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 Denali 2009 or the ThunderJet Maxim Classic - 25 ft. 2008?
The ThunderJet Maxim Classic - 25 ft. 2008 has the bigger tank at 8 gallons, versus 5 gallons on the ThunderJet Denali 2009. 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 Denali 2009 and ThunderJet Maxim Classic - 25 ft. 2008 from the same manufacturer?
Yes — both the ThunderJet Denali 2009 and the ThunderJet Maxim Classic - 25 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.