Matching a modified vee Alumacraft Sierra MV 1648 NCS 2012 against a tunnel Alumacraft VB 1756 AW Tunnel SC 2013 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 — Alumacraft Sierra MV 1648 NCS 2012 at 16,0 ft versus Alumacraft VB 1756 AW Tunnel SC 2013 at 17,0 ft. Weight tells a clearer story for trailering families: the Alumacraft VB 1756 AW Tunnel SC 2013 tips the scales at 905 lbs — 874 lbs less than the Alumacraft Sierra MV 1648 NCS 2012 at 31 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 power gap is worth calling out. Rated to 75 hp, the Alumacraft VB 1756 AW Tunnel SC 2013 has a 40-hp advantage over the Alumacraft Sierra MV 1648 NCS 2012's 35-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Alumacraft Sierra MV 1648 NCS 2012 is rated for 5 passengers, while the Alumacraft VB 1756 AW Tunnel SC 2013 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Alumacraft Sierra MV 1648 NCS 2012 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Alumacraft Sierra MV 1648 NCS 2012 comes in at 1 lbs per hp versus 12 lbs per hp for the Alumacraft VB 1756 AW Tunnel SC 2013. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.
Bottom line: Choose the Alumacraft Sierra MV 1648 NCS 2012 if your priority is putting more people on the water — it handles 5 passengers and at 16,0 ft it has the deck room to back that rating up comfortably. The Alumacraft VB 1756 AW Tunnel SC 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.