The Sealine S390 2021 vs Sealine T50 2011 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 Sealine T50 2011 measures 50,5 feet overall (2011), giving it roughly 11,1 additional feet of deck space compared to the Sealine S390 2021 at 39,4 feet (2021). Weight tells a clearer story for trailering families: the Sealine T50 2011 tips the scales at 56 879 lbs — 33 687 lbs less than the Sealine S390 2021 at 23 192 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 575 hp, the Sealine T50 2011 has a 195-hp advantage over the Sealine S390 2021's 380-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sealine T50 2011 carries 549 gallons versus 198 gallons in the Sealine S390 2021. 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 Sealine T50 2011 is rated for 15 passengers, while the Sealine S390 2021 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sealine T50 2011 could be the deciding factor.
Bottom line: Choose the Sealine T50 2011 if your priority is putting more people on the water — it handles 15 passengers and at 50,5 ft it has the deck room to back that rating up comfortably. The Sealine S390 2021 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.