When two boats share the same hull type — in this case both the Fish-Rite Performer 21 ft. 2008 and the Fish-Rite Rivermaster 24 ft. 2008 are modified vee designs with aluminum construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
On paper these two are close siblings in the size department — Fish-Rite Performer 21 ft. 2008 at 21,0 ft versus Fish-Rite Rivermaster 24 ft. 2008 at 24,0 ft. Weight tells a clearer story for trailering families: the Fish-Rite Performer 21 ft. 2008 tips the scales at 1 295 lbs — 1 281 lbs more than the Fish-Rite Rivermaster 24 ft. 2008 at 14 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 — 225 hp for the Fish-Rite Performer 21 ft. 2008 and 225 hp for the Fish-Rite Rivermaster 24 ft. 2008. 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.
For family outings this is probably the sharpest distinction between the two. The Fish-Rite Rivermaster 24 ft. 2008 is rated for 7 passengers, while the Fish-Rite Performer 21 ft. 2008 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Fish-Rite Rivermaster 24 ft. 2008 could be the deciding factor.
Bottom line: Choose the Fish-Rite Rivermaster 24 ft. 2008 if your priority is putting more people on the water — it handles 7 passengers and at 24,0 ft it has the deck room to back that rating up comfortably. The Fish-Rite Performer 21 ft. 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.