Thunder Jet 20 Chinook OS 2021 boat specs
ThunderJet
Thunder Jet 20 Chinook OS 2021
2021
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VS
ThunderJet Rio Classic 2011 boat specs
ThunderJet
ThunderJet Rio Classic 2011
2011
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Thunder Jet 20 Chinook OS 2021 vs ThunderJet Rio Classic 2011 — Same Brand, Different Boat

The Thunder Jet 20 Chinook OS 2021 vs ThunderJet Rio Classic 2011 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.

The ThunderJet Rio Classic 2011 tops out at 425 hp. Engine specs for the Thunder Jet 20 Chinook OS 2021 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Thunder Jet 20 Chinook OS 2021 carries 45 gallons versus 8 gallons in the ThunderJet Rio Classic 2011. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

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 Thunder Jet 20 Chinook OS 2021 and ThunderJet Rio Classic 2011 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.
Measurements / Dimensions
Length overall - Detail20.00 ft
Length overall - Detail22 ft
Length - Feet20
Length - Feet22
Length overall - Meters6.1
Length overall - Meters6.71
Length overall - Inches240
Length overall - Inches264
Beamnot available
Beam102 in
Beam - Metersnot available
Beam - Meters2.59
Beam - Inchesnot available
Beam - Inches102
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 - Detailnot available
Height - DetailSides: 35 in
Height - Metersnot available
Height - Meters0.89
Height - Inchesnot available
Height - Inches35
Height [transom]not available
Height [transom]35 in
Engine and Drivetrain
Fuel tank capacity - Gal45
Fuel tank capacity - Gal8
Fuel tank capacity - Liters170.34
Fuel tank capacity - Liters302.83
Engine/s standardnot available
Engine/s standard5.7 l Vortec, Port Fuel Injected 35
Fuel tank capacity - Detailnot available
Fuel tank capacity - Detail80 gal
Fuel typenot available
Fuel typeGas
Drive typenot available
Drive typeJet Drive
Horsepowernot available
Horsepower425
Operational Info
Boat typePower
Boat typenot available
General Boat Info
Makenot available
MakeThunderJet
Modelnot available
ModelRio Classic
Model Yearnot available
Model Year2011
Body / Hull
Hull materialnot available
Hull materialAluminum
Hull thicknessnot available
Hull thicknessSides: 0.125 in. Bottom: 0.250 in. Transom: 0.190 in
Hull typenot available
Hull typeModified Vee

Thunder Jet 20 Chinook OS 2021 vs ThunderJet Rio Classic 2011 — Common Questions

Which is the larger boat — the Thunder Jet 20 Chinook OS 2021 or the ThunderJet Rio Classic 2011?
The ThunderJet Rio Classic 2011 is the longer of the two at 22,0 feet overall. The Thunder Jet 20 Chinook OS 2021 comes in at 20,0 feet, making it roughly 2,0 ft shorter — a meaningful difference in deck room and overall on-water presence.
What is the maximum horsepower rating for these boats?
The ThunderJet Rio Classic 2011 has a documented max rating of 425 hp. Engine specifications for the Thunder Jet 20 Chinook OS 2021 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 Thunder Jet 20 Chinook OS 2021 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.
Which boat has the larger fuel tank — the Thunder Jet 20 Chinook OS 2021 or the ThunderJet Rio Classic 2011?
The Thunder Jet 20 Chinook OS 2021 has the bigger tank at 45 gallons, versus 8 gallons on the ThunderJet Rio Classic 2011. That 37-gallon difference translates to roughly 111–185 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Thunder Jet 20 Chinook OS 2021 and ThunderJet Rio Classic 2011 from the same manufacturer?
Yes — both the Thunder Jet 20 Chinook OS 2021 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.