Both the Stamas 270 Express Outboard 2009 and the Stamas 320 Express Outboard 2007 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?

Size is the most obvious dividing line here. The Stamas 320 Express Outboard 2007 measures 34,0 feet overall (2007), giving it roughly 6,0 additional feet of deck space compared to the Stamas 270 Express Outboard 2009 at 28,0 feet (2009). Weight tells a clearer story for trailering families: the Stamas 320 Express Outboard 2007 tips the scales at 11 100 lbs - 5 300 lbs less than the Stamas 270 Express Outboard 2009 at 5 800 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 Stamas 270 Express Outboard 2009 carries a rated maximum of 450 hp. Engine data for the Stamas 320 Express Outboard 2007 wasn't available in our records - check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Stamas 320 Express Outboard 2007 carries 240 gallons versus 204 gallons in the Stamas 270 Express Outboard 2009. 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 Outboard 2007 is rated for 10 passengers, while the Stamas 270 Express Outboard 2009 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Stamas 320 Express Outboard 2007 could be the deciding factor.