The Supra SA450 2013 vs Supra Sunsport 20 V 2007 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.
Size is the most obvious dividing line here. The Supra SA450 2013 measures 22,5 feet overall (2013), giving it roughly 20,5 additional feet of deck space compared to the Supra Sunsport 20 V 2007 at 2,0 feet (2007). At 43 lbs and 32 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 Sunsport 20 V 2007's 340-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Supra Sunsport 20 V 2007 carries 34 gallons versus 5 gallons in the Supra SA450 2013. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Supra SA450 2013 is rated for 13 passengers, while the Supra Sunsport 20 V 2007 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Supra SA450 2013 could be the deciding factor.
Bottom line: Choose the Supra SA450 2013 if your priority is putting more people on the water — it handles 13 passengers and at 22,5 ft it has the deck room to back that rating up comfortably. The Supra Sunsport 20 V 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.