Detailed Evaluation & Buyer Recommendation
ThunderJet Alexis - 21 ft. 2008 vs ThunderJet Envoy 2010: A Close Look at Two Modified-V Boats
Both the ThunderJet Alexis - 21 ft. 2008 and the ThunderJet Envoy 2010 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 power gap is worth calling out. Rated to 425 hp, the ThunderJet Alexis - 21 ft. 2008 has a 175-hp advantage over the ThunderJet Envoy 2010's 250-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads - 50 gal and 48 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 Envoy 2010 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 - 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 Envoy 2010 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 - 21 ft.
ModelEnvoy
Model Year2008
Model Year2010
Measurements / Dimensions
Beam - Meters2.44
Beam - Meters2.13
Beam - Inches96
Beam - Inches84
Width [transom] - Detail34 in.
Width [transom] - Detail66 in.
Height - DetailSides: 34 in.
Height - Detailnot available
Height - Meters0.86
Height - Metersnot available
Height - Inches34
Height - Inchesnot available
Length - Feet21
Length - Feet19
Length overall - Detail21 ft. 0 in.
Length overall - Detail19 ft. 0 in.
Length overall - Meters6.4
Length overall - Meters5.79
Length overall - Inches252
Length overall - Inches228
Deadrisenot available
Deadrise12° Entry: 40°
Weight - Detailnot available
Weight - Detail2,500 lbs.
Weight - kgnot available
Weight - kg1133.98
Weight - lbs.not available
Weight - lbs.2500
Height [transom]not available
Height [transom]31 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 350
Engine/s standardnot available
Jet pumpAmerican Turbine SD 309
Jet pumpnot available
Fuel tank capacity - Detail50 gal.
Fuel tank capacity - Detail48 gal.
Fuel tank capacity - Liters189.27
Fuel tank capacity - Liters181.7
Fuel tank capacity - Gal50
Fuel tank capacity - Gal48
Drive typeJet Drive
Drive typeInboard
Engine max425 hp
Engine maxnot available
Horsepowernot available
Horsepower250 hp
Operational Info
Maximum capacity1,800 lbs.
Maximum capacitynot available
Maximum people8 / 1,750 lbs.
Maximum peoplenot available