The Prestige Yachts 680 S 2018 vs Prestige Yachts 690 S 2021 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.
The Prestige Yachts 680 S 2018 carries a rated maximum of 1 000 hp. Engine data for the Prestige Yachts 690 S 2021 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Prestige Yachts 690 S 2021 carries 1 822 gallons versus 911 gallons in the Prestige Yachts 680 S 2018. 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 Prestige Yachts 690 S 2021 is rated for 21 passengers, while the Prestige Yachts 680 S 2018 caps at 19. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Prestige Yachts 690 S 2021 could be the deciding factor.
Bottom line: Choose the Prestige Yachts 690 S 2021 if your priority is putting more people on the water — it handles 21 passengers and at 70,3 ft it has the deck room to back that rating up comfortably. The Prestige Yachts 680 S 2018 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 19 that costs less to run day-to-day.