The Stamas 320 Express Inboard 2007 vs Stamas Yacht 317 Tarpon 2017 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 Stamas Yacht 317 Tarpon 2017 tops out at 600 hp. Engine specs for the Stamas 320 Express Inboard 2007 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Stamas Yacht 317 Tarpon 2017 carries 302 gallons versus 24 gallons in the Stamas 320 Express Inboard 2007. 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 Stamas 320 Express Inboard 2007 is rated for 10 passengers, while the Stamas Yacht 317 Tarpon 2017 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Stamas 320 Express Inboard 2007 could be the deciding factor.