The Bennington 17 SLi 2011 vs Bennington 1850 LX 2005 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.
On paper these two are close siblings in the size department — Bennington 17 SLi 2011 at 17,4 ft versus Bennington 1850 LX 2005 at 18,0 ft. Weight tells a clearer story for trailering families: the Bennington 17 SLi 2011 tips the scales at 1 491 lbs — 1 327 lbs more than the Bennington 1850 LX 2005 at 164 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 Bennington 1850 LX 2005 tops out at 75 hp. Engine specs for the Bennington 17 SLi 2011 aren't listed — confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Bennington 1850 LX 2005 carries 26 gallons versus 15 gallons in the Bennington 17 SLi 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 Bennington 1850 LX 2005 is rated for 9 passengers, while the Bennington 17 SLi 2011 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Bennington 1850 LX 2005 could be the deciding factor.
Bottom line: Choose the Bennington 1850 LX 2005 if your priority is putting more people on the water — it handles 9 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Bennington 17 SLi 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.