Detailed Evaluation & Buyer Recommendation
ThunderJet Alexis - 21 ft. 2008 vs ThunderJet Rio Classic 2010 — A Close Look at Two Modified Vees
When two boats share the same hull type — in this case both the ThunderJet Alexis - 21 ft. 2008 and the ThunderJet Rio Classic 2010 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 425 hp, the ThunderJet Alexis - 21 ft. 2008 has a 100-hp advantage over the ThunderJet Rio Classic 2010's 325-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 Alexis - 21 ft. 2008 is rated for 8 passengers, while the ThunderJet Rio Classic 2010 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the ThunderJet Alexis - 21 ft. 2008 could be the deciding factor.
Bottom line: Choose the ThunderJet Alexis - 21 ft. 2008 if your priority is putting more people on the water — it handles 8 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The ThunderJet Rio Classic 2010 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
ModelAlexis - 21 ft
ModelRio Classic
Model Year2008
Model Year201
Measurements / Dimensions
Beam - Meters2.44
Beam - Meters2.59
Beam - Inches96
Beam - Inches102
Width [transom] - Detail34 in
Width [transom] - Detail6 ft. 5 in
Height - DetailSides: 34 in
Height - Detailnot available
Height - Meters0.86
Height - Metersnot available
Height - Inches34
Height - Inchesnot available
Length - Feet21
Length - Feet22
Length overall - Detail21 ft. 0 in
Length overall - Detail22 ft. 0 in
Length overall - Meters6.4
Length overall - Meters6.71
Length overall - Inches252
Length overall - Inches264
Deadrisenot available
Deadrise14°
Weight - Detailnot available
Weight - Detail4,000 lbs
Weight - kgnot available
Weight - kg1814.37
Weight - lbs.not available
Weight - lbs.4
Height [transom]not available
Height [transom]34 in
Body / Hull
Hull materialAluminum
Hull materialAluminum
Hull thickness0.190 in
Hull thicknessnot available
Hull typeModified Vee
Hull typeModified Vee
Engine and Drivetrain
Engine/s standardCarbureted Vortec 35
Engine/s standard5.7 l Vortec
Jet pumpAmerican Turbine SD 309
Jet pumpnot available
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
Drive typeJet Drive
Drive typeInboard
Engine max425 hp
Engine maxnot available
Horsepowernot available
Horsepower325
Operational Info
Maximum capacity1,800 lbs
Maximum capacitynot available
Maximum people8 / 1,750 lbs
Maximum peoplenot available