Both the Supra Launch Gravity 24 SSV 2009 and the Supra SA450 2013 are modified-V designs, both built in fibreglass, 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?
On paper these two are close siblings in the size department - Supra Launch Gravity 24 SSV 2009 at 24,0 ft versus Supra SA450 2013 at 22,5 ft. Weight tells a clearer story for trailering families: the Supra SA450 2013 tips the scales at 4 300 lbs - 350 lbs less than the Supra Launch Gravity 24 SSV 2009 at 3 950 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
The power gap is worth calling out. Rated to 450 hp, the Supra SA450 2013 has a 110-hp advantage over the Supra Launch Gravity 24 SSV 2009'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 - 52 gal and 50 gal - so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Supra Launch Gravity 24 SSV 2009 is rated for 16 passengers, while the Supra SA450 2013 caps at 13. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Supra Launch Gravity 24 SSV 2009 could be the deciding factor.
Bottom line: Choose the Supra Launch Gravity 24 SSV 2009 if your priority is putting more people on the water - it handles 16 passengers and at 24,0 ft it has the deck room to back that rating up comfortably. The Supra SA450 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 13 that costs less to run day-to-day.