Matching a flat G3 Boats 1756 CC 2013 against a tunnel G3 Boats Prop Tunnel 1860 CCT 2011 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 — G3 Boats 1756 CC 2013 at 16,8 ft versus G3 Boats Prop Tunnel 1860 CCT 2011 at 18,1 ft. Weight tells a clearer story for trailering families: the G3 Boats 1756 CC 2013 tips the scales at 805 lbs — 718 lbs more than the G3 Boats Prop Tunnel 1860 CCT 2011 at 87 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.
Both boats share a closely matched power ceiling — 70 hp for the G3 Boats 1756 CC 2013 and 90 hp for the G3 Boats Prop Tunnel 1860 CCT 2011. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the G3 Boats 1756 CC 2013 carries 16 gallons versus 12 gallons in the G3 Boats Prop Tunnel 1860 CCT 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 G3 Boats Prop Tunnel 1860 CCT 2011 is rated for 6 passengers, while the G3 Boats 1756 CC 2013 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the G3 Boats Prop Tunnel 1860 CCT 2011 could be the deciding factor.
Bottom line: Choose the G3 Boats Prop Tunnel 1860 CCT 2011 if your priority is putting more people on the water — it handles 6 passengers and at 18,1 ft it has the deck room to back that rating up comfortably. The G3 Boats 1756 CC 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.