Matching a modified vee Stamas 270 Express Outboard 2011 against a deep vee Stamas 317 Tarpon Outboard 2012 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

On paper these two are close siblings in the size department — Stamas 270 Express Outboard 2011 at 28,8 ft versus Stamas 317 Tarpon Outboard 2012 at 31,6 ft. At 58 lbs and 63 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 500 hp, the Stamas 317 Tarpon Outboard 2012 has a 50-hp advantage over the Stamas 270 Express Outboard 2011's 450-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Stamas 317 Tarpon Outboard 2012 carries 302 gallons versus 204 gallons in the Stamas 270 Express Outboard 2011. 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 317 Tarpon Outboard 2012 is rated for 10 passengers, while the Stamas 270 Express Outboard 2011 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Stamas 317 Tarpon Outboard 2012 could be the deciding factor.