Supra Launch 21 V 2007 boat specs
Supra
Supra Launch 21 V 2007
2007
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VS
Supra SA450 2013 boat specs
Supra
Supra SA450 2013
2013
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Supra Launch 21 V 2007 vs Supra SA450 2013 — Same Brand, Different Boat

The Supra Launch 21 V 2007 vs Supra SA450 2013 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.

On paper these two are close siblings in the size department — Supra Launch 21 V 2007 at 21,0 ft versus Supra SA450 2013 at 22,5 ft. At 34 lbs and 43 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.

The power gap is worth calling out. Rated to 450 hp, the Supra SA450 2013 has a 110-hp advantage over the Supra Launch 21 V 2007's 340-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 4 gal and 5 gal — so range won't be a tiebreaker here.

Both boats are rated for 13 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: Performance buyers should lean toward the Supra SA450 2013 and its 450-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Supra Launch 21 V 2007 with its 340-hp rating is the more economical daily driver.
General Boat Info
MakeSupra
MakeSupra
ModelLaunch 21 V
ModelSA45
Model Year2007
Model Year2013
Measurements / Dimensions
Beam100 in
Beam100 in
Beam - Meters2.54
Beam - Meters2.54
Beam - Inches1
Beam - Inches1
Draft [max] - Detail25 in
Draft [max] - Detail26 in
Draft [max] - Meters0.64
Draft [max] - Meters0.66
Draft [max] - Inches25
Draft [max] - Inches26
Weight - Detail3,400 lbs
Weight - Detail4,300 lbs
Weight - kg1542.21
Weight - kg1950.45
Weight - lbs.34
Weight - lbs.43
Length - Feet21
Length - Feet22.5
Length - Inches2
Length - Inchesnot available
Length [over all with swim platform]23 ft. 0 in
Length [over all with swim platform]not available
Length overall - Detail21 ft. 2 in
Length overall - Detail22 ft. 6 in
Length overall - Meters6.45
Length overall - Meters6.86
Length overall - Inches254
Length overall - Inches27
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Engine/s standardIndmar Assault 5.7 l, 325 hp MPI, V-8
Engine/s standardnot available
Fuel tank capacity - Detail40 gal
Fuel tank capacity - Detail50 gal
Fuel tank capacity - Liters151.42
Fuel tank capacity - Liters189.27
Fuel tank capacity - Gal4
Fuel tank capacity - Gal5
Fuel typeGas
Fuel typeGas
Drive typeV-drive
Drive typeV-drive
Engine max340 hp
Engine maxnot available
Horsepowernot available
Horsepower450 hp
Operational Info
Maximum capacity1,775 lbs
Maximum capacity1,900 lbs
Maximum people13
Maximum people13
Trailer Info
Trailer - Length over all25 ft. 2 in
Trailer - Length over allnot available
Trailer - WeightWith boat: 4,250 lbs
Trailer - Weightnot available

Supra Launch 21 V 2007 vs Supra SA450 2013 — Common Questions

Which is the larger boat — the Supra Launch 21 V 2007 or the Supra SA450 2013?
The Supra SA450 2013 is the longer of the two at 22,5 feet overall. The Supra Launch 21 V 2007 comes in at 21,0 feet, making it roughly 1,5 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Supra Launch 21 V 2007 or the Supra SA450 2013?
For trailering, the Supra Launch 21 V 2007 has the edge at 34 lbs dry weight versus 43 lbs for the Supra SA450 2013. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
Which boat can handle a bigger outboard?
The Supra SA450 2013 is rated to a maximum of 450 hp, giving it the larger power ceiling. The Supra Launch 21 V 2007 tops out at 340 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 Supra Launch 21 V 2007 is Coast Guard rated for 13 passengers, while the Supra SA450 2013 is certified for 13. 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.
Do these boats require an oversize trailer permit to tow on US highways?
Both the Supra Launch 21 V 2007 and Supra SA450 2013 share an 100 in beam — meaning both sit right at the 8’6" threshold that most US states use for standard-width loads. In most states you can tow at that width without a special permit, but regulations vary. Always check the rules for your state and any states you'll be passing through before your first long haul.
How do the fuel tanks compare on the Supra Launch 21 V 2007 and Supra SA450 2013?
Both boats carry similar fuel loads — 4 gallons and 5 gallons respectively. Range will depend heavily on motor choice, throttle usage, and whether you're on flat lake water or coastal chop.
Are the Supra Launch 21 V 2007 and Supra SA450 2013 from the same manufacturer?
Yes — both the Supra Launch 21 V 2007 and the Supra SA450 2013 are built by Supra. 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.