Matching a flat Fish-Rite Fishmaster 16 ft. Guide (84 in. beam) 2008 against a modified vee Fish-Rite Rivermaster 18 ft. 2008 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 — Fish-Rite Fishmaster 16 ft. Guide (84 in. beam) 2008 at 15,0 ft versus Fish-Rite Rivermaster 18 ft. 2008 at 18,0 ft. Weight tells a clearer story for trailering families: the Fish-Rite Fishmaster 16 ft. Guide (84 in. beam) 2008 tips the scales at 575 lbs — 490 lbs more than the Fish-Rite Rivermaster 18 ft. 2008 at 85 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 175 hp, the Fish-Rite Rivermaster 18 ft. 2008 has a 65-hp advantage over the Fish-Rite Fishmaster 16 ft. Guide (84 in. beam) 2008's 110-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 Fish-Rite Rivermaster 18 ft. 2008 is rated for 5 passengers, while the Fish-Rite Fishmaster 16 ft. Guide (84 in. beam) 2008 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Fish-Rite Rivermaster 18 ft. 2008 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Fish-Rite Rivermaster 18 ft. 2008 comes in at 1 lbs per hp versus 5 lbs per hp for the Fish-Rite Fishmaster 16 ft. Guide (84 in. beam) 2008. 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 Fish-Rite Rivermaster 18 ft. 2008 if your priority is putting more people on the water — it handles 5 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Fish-Rite Fishmaster 16 ft. Guide (84 in. beam) 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.